Danbury architects producing clear architectural plans and house extension drawings for planning and building approval

Smart design, expert planning, and all the advice you need

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Quite possibly the UK’s leading residential design specialists delivering thoughtful design, straight-talking advice and clear guidance on build costs.

Essex's #1 architectural design firm

With the most 5-star
Google reviews

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A trusted company you can bank on

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Complete package containing everything you will need

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Covering anywhere in the London and Essex areas

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Renowned for hitting the mark in design & detail

With 5,000+ projects to our name

We provide all the services you'll need

Avoid the hassle of using multiple companies

5.0
Based on 60 reviews
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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.
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!
About us

Kirkwood is a trusted, family-run architectural design and home extension planning company, providing everything a home owner will need to start building. We advise on build costs right from the start, so the project can then be designed to a suitable budget. Were happy to offer free advise to get your started, so get in contact today

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Wallet icon representing Kirkwood’s cost-effective architectural design services for home extensions in Essex.
5-Star reviews
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We can also provide

Additional services if required

3D Kitchen Designs

See your kitchen in 3D with Howdens—we handle everything for you.

Build Costs

Don't design over budget, our team offer build cost advice.

Build Inspection service

Experts inspect your builder's work confidentially.

Use our vetted builders

Kirkwood’s network of trusted trades delivers competitive quotes.

Kitchen discounts

Kirkwood trade discounts deliver premium Howdens kitchens affordably.

Construction agreement service

We manage quotes and contracts with Kirkwood Build Contracts, saving you time and money.

Comprehensive choice

We manage every detail of your extension, from quotes to contracts.

Piled foundations

As extensions increasingly require piling, Kirkwood specializes in this area.

Essex | London Architectural Design & Planning

Serving Essex & surrounding areas

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