Generated by All in One SEO v4.9.10, this is an llms.txt file, used by LLMs to index the site. # Keri Barr Architects Architects specialising in Passivhaus, Low Energy and Sustainable Homes ## Sitemaps - [XML Sitemap](https://k-b-a.co.uk/sitemap.xml): Contains all public & indexable URLs for this website. ## Posts - [How to Choose the Right Underfloor Heating for Your Home](https://k-b-a.co.uk/how-to-choose-the-right-underfloor-heating-for-your-home/) - Warm feet, lower bills, no radiators. We compare the types of underfloor heating and explain why the floor beneath matters. - [How to Get Planning Permission for a House Extension](https://k-b-a.co.uk/how-to-get-planning-permission-for-a-house-extension/) - Do you need planning permission for your house extension? A clear, practical guide - from Permitted Development to Householder applications. - [How to Read Your Architect’s Drawings - Part 1](https://k-b-a.co.uk/how-to-read-your-architects-drawings-part-1/) - Architectural drawings can be confusing at first. Learn how to read your architect’s plans, elevations and sections so you can make informed decisions. - [How to Read Your Architect's Drawings - Part 2](https://k-b-a.co.uk/how-to-read-your-architects-drawings-part-2/) - Architectural drawings can be confusing at first. Learn how to read your architect’s plans, elevations and sections so you can make informed decisions. - [Is It Cheaper or Better to Retrofit or Build New?](https://k-b-a.co.uk/is-it-cheaper-or-better-to-retrofit-or-build-new/) - Weigh up retrofit vs rebuild for older properties - compare costs, carbon, disruption and value to make the right choice for your building. - [How to Set a Realistic Budget for Your Project](https://k-b-a.co.uk/how-to-set-a-realistic-budget-for-your-project/) - Planning a project? Learn how to set a realistic budget, avoid common pitfalls and stay in control with clear, friendly advice from the start. - [Do You Need Planning Permission or Building Regulations Approval?](https://k-b-a.co.uk/do-you-need-planning-permission-or-building-regulations-approval/) - Understand UK planning permission and building regulations for home projects - what you need to know before starting your project - [CDM 2015 & Building Regulations: What Homeowners Need to Know](https://k-b-a.co.uk/principal-designer-domestic-clients/) - Demystifying the Principal Designer and other dutyholders for domestic projects. Covering CDM 2015 and the recent amendments to the Building Regulations. - [Why Collaborating with Your Architect Matters](https://k-b-a.co.uk/why-collaborating-with-your-architect-matters/) - Discover why a strong architect-client relationship leads to better design, smoother projects and a home that truly reflects your lifestyle. - [Is Design and Build Right for Me?](https://k-b-a.co.uk/is-design-and-build-right-for-me/) - Compare architect led and design & build approaches. Discover the pros, cons and which route gives you more design control and flexibility. - [10 Essential Questions to Ask Before Extending Your Home](https://k-b-a.co.uk/the-essential-questions-to-ask-before-extending-your-home/) - Taking the time to think about these questions will help you understand your priorities, budget and needs for your home extension. - [How Can Passivhaus Principles Improve Your Renovation?](https://k-b-a.co.uk/how-can-passivhaus-principles-improve-your-renovation/) - You may have heard of Passivhaus — a rigorous standard that focuses on creating ultra energy efficient buildings. Passivhaus design principles are often associated with new builds, but they can also bring lots of value to renovation projects under the Passivhaus EnerPHit and AECB Carbonlite retrofit standards, even if you don't pursue formal certification....and even - [Here's What to Expect After Planning Permission](https://k-b-a.co.uk/heres-what-to-expect-after-planning-permission/) - Planning approval is just the beginning. Learn the key next steps — from technical design to choosing a builder... to move your project forward with confidence. - [Oh Heck! Oh Help! What Do I Do?](https://k-b-a.co.uk/oh-heck-oh-help-what-do-i-do/) - Does the dual role of principal designer scare the pants off of you? Are you thinking about specifying more ecological materials, but just don't know where to start? Yup, we've been there. This business of architecture can be overwhelming - rules, regulations, ethics....it's a lot... Sometimes we all need a little targeted one on one - [What If I Change My Mind During the Build?](https://k-b-a.co.uk/what-if-i-change-my-mind-during-the-build/) - Changed your mind mid-build? It happens! Here's how to handle design changes during construction without stress, confusion, or unexpected costs. - [Why Working with an Architect Is Your Best Investment](https://k-b-a.co.uk/why-working-with-an-architect-is-your-best-investment/) - When you’re ready to transform your home, choose an architect who can bring both expertise and understanding to your project. - [Top 5 Hidden Building Costs Homeowners Often Forget](https://k-b-a.co.uk/top-5-hidden-building-costs-homeowners-often-forget/) - Discover the hidden building costs homeowners often overlook — and learn how to plan your project budget wisely, with fewer surprises along the way. - [Architects Fees: What Do We charge?](https://k-b-a.co.uk/architects-fees-what-do-we-charge/) - Architect fees can sometimes seem really confusing. Perhaps you've received a proposal and it just makes no sense. - [Architect's Role in Construction: Do You Really Need One?](https://k-b-a.co.uk/architects-role-in-construction-do-you-really-need-one/) - In the UK, it is not a legal requirement to appoint an architect for any stage of a building project. If you wanted to, you could design the project and leave the building works entirely to a contractor. If your project is quite simple and if you have some experience of working with a contractor, then - [The KBA Launchpad....aka "our process"](https://k-b-a.co.uk/our-process/) - While each client and every project is entirely bespoke, our process follows a tried and tested format. - [What Does a Principal Designer Do During Construction?](https://k-b-a.co.uk/what-does-a-principal-designer-do-during-construction/) - Discover what a Principal Designer does during construction to ensure building regulations compliance and avoid costly mistakes on domestic projects. - [What You Need to Know About Party Walls](https://k-b-a.co.uk/what-you-need-to-know-about-party-walls/) - Confused about party wall requirements for your renovation? Learn what they are, when you need them, and the risks of skipping this essential legal process. - [How to Choose an Architect: points to consider](https://k-b-a.co.uk/how-to-choose-an-architect/) - Deciding to build or to extend your home is exciting, it can also be a bit scary. Choosing the right architect is an important decision that can significantly impact the success of your project. We know that choosing an architect is not an easy decision. You need to appoint the right architect who has the - [What is Retrofit: Everything You Need to Know](https://k-b-a.co.uk/retrofit/) - “It is widely accepted that retrofitting our existing buildings is absolutely critical if we are to achieve Net Zero. Around 18% of our annual national CO2e emissions come from existing homes – homes that will still be standing in 2050. 80% of 2050’s homes have already been built. It is also widely acknowledged that the - [Passivhaus: A Valuable Overview for Homeowners](https://k-b-a.co.uk/passivhaus/) - Learn about the 5 principles of Passivhaus (Passive House) architecture. - [Top Tips for Budgeting Your Home Renovation](https://k-b-a.co.uk/top-tips-for-budgeting-your-home-renovation/) - Top tips to stretch your extension and renovation budget a bit further - from building less to smart choices, what will you do? - [Sustainability triumph: our expert approach](https://k-b-a.co.uk/sustainability-our-approach-and-why/) - It seems that everywhere we turn we see the words 'sustainable' or 'recyclable' or 'environmentally friendly' attached to products. Sustainability can be a bit overwhelming. But, what is 'sustainability' and what can we do to make an impact? In our work, we believe that sustainable solutions are ones that focus on long term durability and ## Pages - [Home](https://k-b-a.co.uk/) - Imagine…a chair by your new favourite window, warm sun streaming in, arguing with your dog about who gets the chair, soaking up the sunshine. It could be you. We understand that navigating your home design or renovation can feel daunting. You might be unsure about where to start, confused by planning regulations or worried about - [Shop](https://k-b-a.co.uk/shop/) - Architectural Consultation £75 Learn More For Owners and Designers Quick, professional guidance for your project. Whether you’re a homeowner exploring ideas or an architect after a second opinion, this consultation offers clear, practical advice to help you move forward with confidence. Mentoring £75 Learn More For Architects and Designers Would a bit of 1:1 support - [Workflow Template](https://k-b-a.co.uk/workflow-template/) - £75 CDM-PD & BR-PD Workflow Template A clear, structured workflow for managing Principal Designer duties across domestic and small commercial projects If you’re navigating both CDM 2015 and the Building Regulations dutyholder roles, it can feel fragmented and difficult to manage consistently. This workflow brings everything together into a simple, stage-by-stage system – giving you - [DRM Template](https://k-b-a.co.uk/drm-template/) - Ready to use templates to help you to meet your CDM 2015 and Building Regs Principal Designer and Designer duties on small projects. - [Local Architect Near Me](https://k-b-a.co.uk/local-architect-near-me/) - Keri Barr Architects are your local architect - specialising in sustainable designs for new builds, extensions and renovations. Contact us for a consultation! - [Architectural consultation](https://k-b-a.co.uk/architectural-consultation/) - Get clear, practical advice in a virtual consultation with an experienced architect. Ideal for homeowners or architects at any project stage. - [Sustainable Architecture in Stanmore - Low Energy Homes](https://k-b-a.co.uk/stanmore-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in Watford - Low Energy Homes](https://k-b-a.co.uk/watford-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in Rickmansworth - Low Energy Homes](https://k-b-a.co.uk/rickmansworth-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in St Albans - Low Energy Homes](https://k-b-a.co.uk/st-albans-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in Pinner - Low Energy Homes](https://k-b-a.co.uk/pinner-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in Potters Bar - Low Energy Homes](https://k-b-a.co.uk/potters-bar-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in Radlett - Low Energy Homes](https://k-b-a.co.uk/radlett-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in Hertfordshire - Low Energy Homes](https://k-b-a.co.uk/hertfordshire-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in Hillingdon - Low Energy Homes](https://k-b-a.co.uk/hillingdon-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in Kings Langley - Low Energy Homes](https://k-b-a.co.uk/kings-langley-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in London Colney - Low Energy Homes](https://k-b-a.co.uk/london-colney-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in Mill Hill - Low Energy Homes](https://k-b-a.co.uk/mill-hill-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in Moor Park - Low Energy Homes](https://k-b-a.co.uk/moor-park-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in Northwood - Low Energy Homes](https://k-b-a.co.uk/northwood-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in Croxley Green - Low Energy Homes](https://k-b-a.co.uk/croxley-green-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in Cockfosters - Low Energy Homes](https://k-b-a.co.uk/cockfosters-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in Elstree - Low Energy Homes](https://k-b-a.co.uk/elstree-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in Harefield - Low Energy Homes](https://k-b-a.co.uk/harefield-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in Harrow - Low Energy Homes](https://k-b-a.co.uk/harrow-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in Hemel Hempstead - Low Energy Homes](https://k-b-a.co.uk/hemel-hempstead-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in Carpenders Park - Low Energy Homes](https://k-b-a.co.uk/carpenders-park-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in Chalfont St Peter - Low Energy Homes](https://k-b-a.co.uk/chalfont-st-peter-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in Chesham - Low Energy Homes](https://k-b-a.co.uk/chesham-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in Chorleywood - Low Energy Homes](https://k-b-a.co.uk/chorleywood-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in Buckinghamshire - Low Energy Homes](https://k-b-a.co.uk/buckinghamshire-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in Bushey - Low Energy Homes](https://k-b-a.co.uk/bushey-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in Abbots Langley - Low Energy Homes](https://k-b-a.co.uk/abbots-langley-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in Aldenham - Low Energy Homes](https://k-b-a.co.uk/aldenham-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in Amersham - Low Energy Homes](https://k-b-a.co.uk/amersham-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in Aylesbury - Low Energy Homes](https://k-b-a.co.uk/aylesbury-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in Barnet - Low Energy Homes](https://k-b-a.co.uk/barnet-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in Berkhamsted - Low Energy Homes](https://k-b-a.co.uk/berkhamsted-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in Borehamwood - Low Energy Homes](https://k-b-a.co.uk/borehamwood-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [Sustainable Architecture in Bricket Wood - Low Energy Homes](https://k-b-a.co.uk/bricket-wood-architect/) - Instead of making do, let’s design a home that fits your life. Thoughtful, sustainable homes designed for your life and especially for you. - [FAQs](https://k-b-a.co.uk/faq/) - Do I need an Architect? Perhaps not, is the short answer. It’s up to you to decide whether an investment in a professional is justified. When you employ an Architect, you’re not just paying for drawings – you’re paying for their knowledge, skill and experience. While working through a design, an architect will be thinking - [Comfort and Energy](https://k-b-a.co.uk/comfort-and-energy/) - Take your home beyond looking good, make it comfortable and sustainable too! We are your expert guide through every step to create your ideal home. - [Core Architect Services](https://k-b-a.co.uk/core-architect-services/) - From making do to made for you, let's design a home that fits your life. Expert architectural guidance from start to finish. - [About](https://k-b-a.co.uk/about/) - Your home is one of your biggest investments – we help you to enhance it so that you can enjoy it to its fullest every day. Keri Barr Architects Ltd is a RIBA Chartered Practice based in Bushey, Hertfordshire – we specialise in residential extensions and conversions, new build homes and small developments. We love - [Contact](https://k-b-a.co.uk/contact-us/) - Contact Instead of making do, let’s design a home made just for you. Contact us to discuss how we can help you to realise your aspirations. Email: hello [at] k-b-a.co.uk Call: 01923 965521 Address: Harcourt Road, Bushey, WD23 3PE, United Kingdom * Indicates required information Your Details Name* E-mail* Phone Number* How did you hear about - [Projects](https://k-b-a.co.uk/projects/) - Project 2044 Replacement dwelling to a low-energy standard Project 2018 Small residential development Project 1960 Single storey side extension Project 1920 Double storey rear extension, remodel and thermal improvements Project 1860 Single storey rear extension and thermal improvements Project 1842 Small residential development Project 1805 Double storey front extension, single storey rear extension, new roof - [Testimonials](https://k-b-a.co.uk/testimonials/) - Donna & Matthew We can not recommend Keri Barr Architects highly enough. We had had thoughts of extending and remodelling our home for years and met with a few potential architects but nothing progressed until we began working with Keri. She produced plans that combined the ideas we had that were workable with ideas that - [Services](https://k-b-a.co.uk/services/) - [Journal](https://k-b-a.co.uk/learn/) - Explore our learning hub for architects and homeowners. Access guides and resources to help empower you to make building projects easier and more efficient. - [Pre-Design Consultation Option C](https://k-b-a.co.uk/pre-design-consultation-option-c/) - Why Choose the Initial Design Appraisal (Option C)? Visualise Your Dream Early On Option C provides more than just a discussion—it brings your ideas to life. With initial concept sketches, you'll get to see different layout options tailored to your needs and aspirations. This visual representation helps you make informed decisions and better understand the - [Passivhaus Architect in Stanmore](https://k-b-a.co.uk/passivhaus-architect-stanmore/) - Looking for Passivhaus architects in Stanmore? We specialise in energy efficient, low carbon homes tailored to your vision. Contact us for a consultation! - [Passivhaus Architect in Watford](https://k-b-a.co.uk/passivhaus-architect-watford/) - Looking for Passivhaus architects in Watford? We specialise in energy efficient, low carbon homes tailored to your vision. Contact us for a consultation! - [Passivhaus Architect in Hertfordshire](https://k-b-a.co.uk/passivhaus-architect-hertfordshire/) - Looking for Passivhaus architects in Hertfordshire? We specialise in energy efficient, low carbon homes tailored to your vision. Contact us for a consultation! - [Passivhaus Architect in Kings Langley](https://k-b-a.co.uk/passivhaus-architect-kings-langley/) - Looking for Passivhaus architects in Kings Langley? We specialise in energy efficient, low carbon homes tailored to your vision. Contact us for a consultation! - [Passivhaus Architect in London Colney](https://k-b-a.co.uk/passivhaus-architect-london-colney/) - Looking for Passivhaus architects in London Colney? We specialise in energy efficient, low carbon homes tailored to your vision. Contact us for a consultation! - [Passivhaus Architect in Northwood](https://k-b-a.co.uk/passivhaus-architect-northwood/) - Looking for Passivhaus architects in Northwood? We specialise in energy efficient, low carbon homes tailored to your vision. Contact us for a consultation! - [Passivhaus Architect in Pinner](https://k-b-a.co.uk/passivhaus-architect-pinner/) - Looking for Passivhaus architects in Pinner? We specialise in energy efficient, low carbon homes tailored to your vision. Contact us for a consultation! - [Passivhaus Architect in Potters Bar](https://k-b-a.co.uk/passivhaus-architect-potters-bar/) - Looking for Passivhaus architects in Potters Bar? We specialise in energy efficient, low carbon homes tailored to your vision. Contact us for a consultation! - [Passivhaus Architect in Radlett](https://k-b-a.co.uk/passivhaus-architect-radlett/) - Looking for Passivhaus architects in Radlett? We specialise in energy efficient, low carbon homes tailored to your vision. Contact us for a consultation! - [Passivhaus Architect in Rickmansworth](https://k-b-a.co.uk/passivhaus-architect-rickmansworth/) - Looking for Passivhaus architects in Rickmansworth? We specialise in energy efficient, low carbon homes tailored to your vision. Contact us for a consultation! - [Passivhaus Architect in St Albans](https://k-b-a.co.uk/passivhaus-architect-st-albans/) - Looking for Passivhaus architects in St Albans? We specialise in energy efficient, low carbon homes tailored to your vision. Contact us for a consultation! - [Passivhaus Architect in Mill Hill](https://k-b-a.co.uk/passivhaus-architect-mill-hill/) - Looking for Passivhaus architects in Mill Hill? We specialise in energy efficient, low carbon homes tailored to your vision. Contact us for a consultation! - [Passivhaus Architect in Chorleywood](https://k-b-a.co.uk/passivhaus-architect-chorleywood/) - Looking for Passivhaus architects in Chorleywood? We specialise in energy efficient, low carbon homes tailored to your vision. Contact us for a consultation! - [Passivhaus Architect in Croxley Green](https://k-b-a.co.uk/passivhaus-architect-croxley-green/) - Looking for Passivhaus architects in Croxley Green? We specialise in energy efficient, low carbon homes tailored to your vision. Contact us for a consultation! - [Passivhaus Architect in Cockfosters](https://k-b-a.co.uk/passivhaus-architect-cockfosters/) - Looking for Passivhaus architects in Cockfosters? We specialise in energy efficient, low carbon homes tailored to your vision. Contact us for a consultation! - [Passivhaus Architect in Elstree](https://k-b-a.co.uk/passivhaus-architect-elstree/) - Looking for Passivhaus architects in Elstree? We specialise in energy efficient, low carbon homes tailored to your vision. Contact us for a consultation! - [Passivhaus Architect in Harefield](https://k-b-a.co.uk/passivhaus-architect-harefield/) - Looking for Passivhaus architects in Harefield? We specialise in energy efficient, low carbon homes tailored to your vision. Contact us for a consultation! - [Passivhaus Architect in Harrow](https://k-b-a.co.uk/passivhaus-architect-harrow/) - Looking for Passivhaus architects in Harrow? We specialise in energy efficient, low carbon homes tailored to your vision. Contact us for a consultation! - [Passivhaus Architect in Hemel Hempstead](https://k-b-a.co.uk/passivhaus-architect-hemel-hempstead/) - Looking for Passivhaus architects in Hemel Hempstead? We specialise in energy efficient, low carbon homes tailored to your vision. Contact us for a consultation! - [Passivhaus Architect in Borehamwood](https://k-b-a.co.uk/passivhaus-architect-borehamwood/) - Looking for Passivhaus architects in Borehamwood? We specialise in energy efficient, low carbon homes tailored to your vision. Contact us for a consultation! - [Passivhaus Architect in Bricket Wood](https://k-b-a.co.uk/passivhaus-architect-bricket-wood/) - Looking for Passivhaus architects in Bricket Wood? We specialise in energy efficient, low carbon homes tailored to your vision. Contact us for a consultation! - [Passivhaus Architect in Buckinghamshire](https://k-b-a.co.uk/passivhaus-architect-buckinghamshire/) - Looking for Passivhaus architects in Buckinghamshire? We specialise in energy efficient, low carbon homes tailored to your vision. Contact us for a consultation! - [Passivhaus Architect in Bushey](https://k-b-a.co.uk/passivhaus-architect-bushey/) - Looking for Passivhaus architects in Bushey? We specialise in energy efficient, low carbon homes tailored to your vision. Contact us for a consultation! - [Passivhaus Architect in Carpenders Park](https://k-b-a.co.uk/passivhaus-architect-carpenders-park/) - Looking for Passivhaus architects in Carpenders Park? We specialise in energy efficient, low carbon homes tailored to your vision. Contact us for a consultation! - [Passivhaus Architect in Chalfont St Peter](https://k-b-a.co.uk/passivhaus-architect-chalfont-st-peter/) - Looking for Passivhaus architects in Chalfont St Peter? We specialise in energy efficient, low carbon homes tailored to your vision. Contact us for a consultation! - [Passivhaus Architect in Chesham](https://k-b-a.co.uk/passivhaus-architect-chesham/) - Looking for Passivhaus architects in Chesham? We specialise in energy efficient, low carbon homes tailored to your vision. Contact us for a consultation! - [Passivhaus Architect in Abbots Langley](https://k-b-a.co.uk/passivhaus-architect-abbots-langley/) - Looking for Passivhaus architects in Abbots Langley? We specialise in energy efficient, low carbon homes tailored to your vision. Contact us for a consultation! - [Passivhaus Architect in Aldenham](https://k-b-a.co.uk/passivhaus-architect-aldenham/) - Looking for Passivhaus architects in Aldenham? We specialise in energy efficient, low carbon homes tailored to your vision. Contact us for a consultation! - [Passivhaus Architect in Amersham](https://k-b-a.co.uk/passivhaus-architect-amersham/) - Looking for Passivhaus architects in Amersham? We specialise in energy efficient, low carbon homes tailored to your vision. Contact us for a consultation! - [Passivhaus Architect in Aylesbury](https://k-b-a.co.uk/passivhaus-architect-aylesbury/) - Looking for Passivhaus architects in Aylesbury? We specialise in energy efficient, low carbon homes tailored to your vision. Contact us for a consultation! - [Passivhaus Architect in Berkhamsted](https://k-b-a.co.uk/passivhaus-architect-berkhamsted/) - Looking for Passivhaus architects in Berkhamsted? We specialise in energy efficient, low carbon homes tailored to your vision. Contact us for a consultation! - [Passivhaus Architect in Barnet](https://k-b-a.co.uk/passivhaus-architect-barnet/) - Looking for Passivhaus architects in Barnet? We specialise in energy efficient, low carbon homes tailored to your vision. Contact us for a consultation! - [Checkout](https://k-b-a.co.uk/checkout/) - Checkout Keri Barr Architects Ltd are not VAT registered. - [Basket](https://k-b-a.co.uk/cart/) - Basket You may be interested in… Your basket is currently empty! Browse store New in store - [KBA Shop - Terms and Conditions](https://k-b-a.co.uk/kba-shop-terms-and-conditions/) - Terms and Conditions for Purchases from the Keri Barr Architects Shop 1. Introduction These Terms and Conditions govern the purchase of digital products from the Keri Barr Architects Shop. By making a purchase, you agree to these terms. Please read them carefully before proceeding. 2. Products All products offered in our shop are digital downloads, - [Courses](https://k-b-a.co.uk/courses/) - [My Account](https://k-b-a.co.uk/my-account/) - [Consulting](https://k-b-a.co.uk/consulting/) - Consulting Do you have a Passivhaus, EnerPHit, AECB new build or AECB retrofit project – or something similar? Whether you’re just looking for an initial steer, or whether you’d like to achieve certification – through the use of the Passivhaus Planning Package (PHPP) and natural building materials, we can offer guidance and advice to support - [Sustainability Guide](https://k-b-a.co.uk/sustainability-guide/) - Sustainability Guide Knowing where to start with your project can be really tricky – whether or not you’re considering sustainable interventions. So, we thought that we could help give you a head start with a sustainability tool to help you prepare – after all, guiding our clients through the process is what we do on - [Enquiry Form](https://k-b-a.co.uk/enquiry-form/) - Enquiry Form Your Details Name* E-mail* Phone Number* How did you hear about us?* About Your Property Property address / link to estate agent's property information* Is your property in a conservation area / green belt / area of outstanding natural beauty / national park and is your property Listed?* Ownership* (e.g. Do you own - [Pre-Design Questionnaire](https://k-b-a.co.uk/pre-design-questionnaire/) - Pre-Design Questionnaire Thank you for booking a Pre-Design Consultation. We are delighted to be able to discuss your project in more detail with you. In order to help inform our initial discussion with you and to give us a better idea of your expectations and any more specific requirements, it would be very helpful if - [Privacy Policy](https://k-b-a.co.uk/privacy-policy/) - Privacy Policy This website collects some Personal Data from its Users. The policy sets out the basis on which any personal information we collect from you, or that you provide to us, will be processed by us. Keri Barr Architects Ltd (KBA) respect that you do not want any personal information that you provide to - [Plan Your Project](https://k-b-a.co.uk/plan-your-project/) - Plan Your Project Knowing where to start with your project can be really tricky. So, we thought that we could help give you a head start with a tool to help you prepare – after all, guiding our clients through the process is what we do on a daily basis. Let us know what you ## Portfolio - [Project 1805](https://k-b-a.co.uk/portfolio-item/project-1805/) - Double storey front extension, single storey rear extension, new roof - [Project 1511](https://k-b-a.co.uk/portfolio-item/project-1511/) - Double storey side and single storey rear extensions - [Project 1550](https://k-b-a.co.uk/portfolio-item/project-1550/) - Single storey rear & double storey side extensions, loft conversion - [Project 1583](https://k-b-a.co.uk/portfolio-item/project-1583/) - Single storey side extension to replace garage - [Project 1584](https://k-b-a.co.uk/portfolio-item/project-1584/) - Office conversion to apartment - [Project 1641](https://k-b-a.co.uk/portfolio-item/project-1641/) - Double storey rear extension, remodel and loft under new roof - [Project 1647](https://k-b-a.co.uk/portfolio-item/project-1647/) - Single storey extension to replace garage - [Project 1685](https://k-b-a.co.uk/portfolio-item/project-1685/) - Single storey rear extension and loft conversion - [Project 1718](https://k-b-a.co.uk/portfolio-item/project-1718/) - Side and rear extensions, remodel and loft under raised roof - [Project 1755](https://k-b-a.co.uk/portfolio-item/project-1755/) - Single storey rear extension, remodelled ground floor - [Project 1842](https://k-b-a.co.uk/portfolio-item/project-1842/) - Small residential development - [Project 1860](https://k-b-a.co.uk/portfolio-item/project-1860/) - Single storey rear extension and thermal improvements - [Project 1960](https://k-b-a.co.uk/portfolio-item/project-1960/) - Single storey side extension - [Project 2018](https://k-b-a.co.uk/portfolio-item/project-2018/) - Small residential development - [Project 2044](https://k-b-a.co.uk/portfolio-item/project-2044/) - Replacement dwelling to a low-energy standard - [Project 1920](https://k-b-a.co.uk/portfolio-item/project-1920/) - Double storey rear extension, remodel and thermal improvements ## Products - [CDM-PD & BR-PD Workflow Template](https://k-b-a.co.uk/courses/cdm-pd-br-pd-workflow-template/) - Ready to use template to help you track your CDM 2015 and Building Regs Principal Designer and Designer duties on small projects. - [Design Risk Management Templates](https://k-b-a.co.uk/courses/design-risk-management-templates/) - Ready to use templates to meet your CDM 2015 and Building Regs Principal Designer and Designer duties on small projects. ## Categories - [Knowledge Centre](https://k-b-a.co.uk/category/knowledge-centre/) - [Working with an architect](https://k-b-a.co.uk/category/working-with-an-architect/) - [KBA Services](https://k-b-a.co.uk/category/kba-services/) ## Tags - [Design advice](https://k-b-a.co.uk/tag/design-advice/) - [Design tips](https://k-b-a.co.uk/tag/design-tips/) - [Sustainability](https://k-b-a.co.uk/tag/sustainability/) - [Passivhaus principles](https://k-b-a.co.uk/tag/passivhaus-principles/) - [Choosing an architect](https://k-b-a.co.uk/tag/choosing-an-architect/) - [Retrofit](https://k-b-a.co.uk/tag/retrofit/) - [Principal Designer](https://k-b-a.co.uk/tag/principal-designer/) - [Statutory Duties](https://k-b-a.co.uk/tag/statutory-duties/) - [How to read architects drawings](https://k-b-a.co.uk/tag/how-to-read-architects-drawings/) ## Sliders - [Home 1 Slider](https://k-b-a.co.uk/slides-category/home-1-slider/) - [Home 15 Slider](https://k-b-a.co.uk/slides-category/home-15-slider/) - [Home 2 Slider](https://k-b-a.co.uk/slides-category/home-2-slider/) ## Testimonials Categories - [testimonial 1511](https://k-b-a.co.uk/testimonials-category/testimonial-1511/) - [testimonial 1523](https://k-b-a.co.uk/testimonials-category/testimonial-1523/) - [testimonial 1508](https://k-b-a.co.uk/testimonials-category/testimonial-1508/) - [testimonial 1685](https://k-b-a.co.uk/testimonials-category/testimonial-1685/) - [testimonial 1641](https://k-b-a.co.uk/testimonials-category/testimonial-1641/) - [testimonial 1609](https://k-b-a.co.uk/testimonials-category/testimonial-1609/) - [testimonial 1647](https://k-b-a.co.uk/testimonials-category/testimonial-1647/) - [testimonial 1583](https://k-b-a.co.uk/testimonials-category/testimonial-1583/) - [testimonial 1690](https://k-b-a.co.uk/testimonials-category/testimonial-1690/) - [testimonial 1718](https://k-b-a.co.uk/testimonials-category/testimonial-1718/) - [testimonial 1979](https://k-b-a.co.uk/testimonials-category/testimonial-1979/) - [testimonial 1960](https://k-b-a.co.uk/testimonials-category/testimonial-1960/) - [testimonial 1920](https://k-b-a.co.uk/testimonials-category/testimonial-1920/) ## Product categories - [Templates](https://k-b-a.co.uk/product-category/templates/)