Braintree's #1
architectural design firm

With the highest number
of 5-star Google reviews

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A secure and dependable company you can trust

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A hassle-free service, packaged just for you

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No matter where you are in Essex, we’re ready to assist

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Precision-driven architectural design that delivers.

The brains behind the bricks

Kirkwood is a family-run company with extensive experience in house extensions, loft conversions and architectural design in Essex. As trusted Braintree architects, we provide upfront guidance on build costs, connect you with skilled builders, and create high-quality designs at competitive prices. Find out how much a house extension costs. Our approach ensures costs are managed effectively without compromising quality, delivering a smooth, efficient, and transparent process for your house extension. Looking for a reliable builder? Read our guide.

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Kirkwood projects

Start your project the right way

No fluff, just well designed home extensions

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See what our customers are saying on Google Reviews

What homeowners are saying

See what our customers are saying on Google Reviews
5.0
Based on 60 reviews
powered by Google
Jack Dev
08:58 04 Mar 25
I was looking for an architect in Billericay and came across Kirkwood. They designed my single-story rear extension, which includes an open-plan kitchen and an internal knock-through. The architects and structural engineers were fantastic and really understood what I wanted to achieve. Kirkwood also put me in touch with local builders who were reasonably priced and completed the extension without any fuss. If you’re looking for a reliable Essex architect serving Billericay, I’d definitely recommend Kirkwood.
Maria Krystal Humphrey
11:20 03 Feb 25
We had a single-story house extension built in Thurrock, Essex, by the builders that Kirkwood passed us onto. Kirkwood's architects did a really good job, so we were pleased we went to them rather than a design-and-build company that just subcontracts the architectural work out.
Grace Biddiss
09:27 02 Feb 25
We appointed Kirkwood as our architects for a double story and wrap around kitchen extension in Billericay, Essex. They provided us with architectural plans, structural engineering and building regulation drawings. The team was professional from start to finish and the builder they recommended has done a faultless job. You definitely get what you pay for, highly recommend. Thanks!
Freyja
19:14 01 Feb 25
We’ve worked with residential architects before, but Jamie and his team, especially Nathan, were fantastic. Kirkwood designed plans for our double-story side extension, loft conversion, and single-story rear kitchen extension, and we knew we had to choose the right company since it involved our entire home.Based in Brentwood, Essex, we were also introduced to builders and tradespeople through Kirkwood, and they were excellent—professional, respectful, and a pleasure to work with. If we ever take on another project, we wouldn’t hesitate to use them again.
Harry
14:41 01 Feb 25
I was skeptical about Kirkwood’s 5 star reviews but now I’m one of them. Incredible service, especially for the money we paid. They wasn’t the most expensive but for the standard of service we received, they defiantly should have been. They done the architectural plans for our home extension in Chelmsford. The architect was amazing at creating our open plan kitchen and dining area. The structural engineer was quick, polite and drunk tea like it was going out of fashion. Strongly recommend if your considering a architect for your home extension in a Chelmsford.
Riley Russell
13:58 31 Jan 25
Kirkwood done a fantastic job on our architectural plans for our new single story kitchen extension in Brentwood. They gained us approval from the council and also provided the structural engineering for the project. We used their recommended builder who so far, we cannot fault one bit. Thanks again and highly recommend.
iansalsbury
10:54 24 Jan 25
The Kirkwood team were a pleasure to work with and have in our house. What can be a stressful time was made a lot easier by a team who build with quality, communicate clearly, and address and action any questions you raise....however small or large.We now have an amazing extension, and would be happy to use the team again.
Natalie Moore
12:29 23 Jan 25
Jamie and team are always helpful and very knowledgeable. Work on our kitchen extension carried out professionally and to high standard from design to build completion. A fantastic job, and very pleased. Many thanks
Kelly Pye
08:27 22 Jan 25
Jamie has provided lots of advice on house improvements including different options for extending as well as the possibility of a loft conversion. He responds quickly to queries and is full of knowledge! I wouldn’t hesitate to recommend him
Boris
19:35 12 Nov 23
Kirkwood Design and Build Builders, Wickford did a fantastic job on our extension in Billericay. They helped with planning permission, design, and build. Professional company through and through. Given that we haven't done such a large project before, we were a bit nervous and had a lot of questions. Jamie and his team from Kirkwood Design and Build Builders was good putting us at ease and now that we are fully complete with all our work, we further appreciate how professional this company is. Would highly recommend.
Holly Luckin
09:29 11 Nov 23
Nothing was to much hassle and Jamie is lovely!
john rocke
11:33 09 Nov 23
Great company and very professional. Nothing was a problem, very helpful and will definitely use them again. Have already given their details to a friend of mine.
Dave Lynch
19:32 08 Nov 23
Work carried out to a very high standard, very pleased with the results.
Sharon Gormer
13:06 07 Nov 23
Very professional company, helpful and friendly staff.
Aaron Tutton
11:15 07 Nov 23
Great builders, very professional and perfectionists! Thank you for such an amazing job
Olly Tait
13:28 21 Apr 23
Jamie and his team were so profesional from start to finish and made the job a joy to watch our dream come together.Very knowledgeable and contactable throughout the process.Couldn't ask for a better outcome and value for money.Will definitely be recommending and 100% will use again!5 star!!!
Sandie
20:03 20 Jan 23
I highly recommend the Kirkwood team! Exceptional workmanship, clear communication, Jamie & his team have provided the utmost as a polite & professional team! Very satisfied customer, looking forward to planning our loft conversion this year with you guys! Many thanks!
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Essential Design Considerations for House Extensions in Braintree

Designing a house extension involves many factors that impact the final result. Our architects carefully assess every detail to ensure the best outcome. Here are a few key elements we always focus on:

Light and ventilation

Natural light and ventilation play a crucial role in any house extension, enhancing both comfort and energy efficiency. Our Braintree architects design with well-placed windows, skylights, and ventilation systems to create a bright, open space that feels inviting and functional.

Design & layout

Our Braintree architectural design team ensures every part of your extension is utilised effectively. No matter the size of your space, we design layouts that maximise your home's potential while maintaining functionality and style.

Materials for the job

The materials you choose will greatly influence both the appearance and cost of your extension. Our architects in Braintree will guide you in selecting options that enhance your home's style while staying within budget.

Architectural design in Braintree

For years, we’ve been helping homeowners in Braintree design and plan high-quality house extensions. If you didn’t already know, Braintree has a deep history, with architecture that reflects its evolving character. If you’re searching for experienced Braintree architects, you’ve come to the right place. With extensive knowledge of the local council and planning process, we’ve successfully secured planning permission for single-story extensions, loft conversions, double-story extensions, garage conversions, and garden rooms across Braintree. For more details, see our Pitched Roof vs Flat Roof Extension Guide.

 

Essex architects

Architectural design isn’t just about creating plans, it’s about delivering real value while maintaining the highest standards of quality. As Braintree architects, we provide expert guidance and free initial advice to help you understand the true cost of building before committing to design fees. This allows you to plan with confidence, knowing what to expect from the start. We believe in transparency, making sure homeowners get the right advice rather than just pushing for a sale.

If you’d like a free call with Braintree architects who know the process inside and out, get in touch today! To see the other areas we cover, click here.

Professional Braintree architect providing expert single story extension services with innovative house extension solutions and architectural design in Essex.
Professional Braintree architect providing expert wrap around extension services with innovative house extension solutions and architectural design in Essex.

The Importance of a Well-Planned Architectural Design in Braintree

A carefully considered architectural design brings many benefits to homeowners in Braintree. That’s why choosing experienced Braintree architects is essential to ensuring your house extension is designed with precision and meets the highest standards:

Increase value

A thoughtfully designed house extension can increase your property's value by up to 20%, making it a smart investment. Whether you're planning to stay for years or sell in the future, Kirkwood’s expertise in Braintree house extension design ensures your project meets the highest architectural standards.

Improved living space

Maximising space is a key reason homeowners in Braintree seek architectural design services. Whether you're extending your kitchen or creating a new living area, our architects collaborate with you to develop a design that blends functionality with style.

Linking the design

We understand how important it is for your new extension to feel like a natural part of your home. Our architectural designs in Braintree ensure your extension complements your property's style and materials, creating a cohesive and well-integrated look.

Ready to Begin Your House Extension in Braintree? Contact Kirkwood Today!

If you’re planning a house extension in Braintree, Kirkwood is here to help. Our experienced team will guide you through every stage, from the initial design to securing planning approval. With our expertise and attention to detail, we create designs that not only meet your needs but also maximise your home’s potential.

Contact us at Info@kirkwoodbuild.co.uk or call 01268 944233 to schedule your free consultation and take the first step toward your dream house extension in Braintree!

 

Braintree | Architectural Design & Planning

Serving Braintree & surrounding areas

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