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Resi Review

March 2026

$64M
Revenue
4.6/5
Trustpilot
179
Employees
0%
Growth
Estimated Revenue
$64M
Total Employees
179
Employee Growth
0%
Industry
Architecture
About

Britain's largest home extension company — extend easy with home extensions for everyday people.

Global Rank
N/A

What is Resi's Revenue?

Resi's estimated revenue is $64M.

What does Resi do?

Britain's largest home extension company — extend easy with home extensions for everyday people.

CompanyRevenueEmployeesGrowthFunding
RestreamRestream
$13.0M93-4.3%$53.4M
BoxCastBoxCast
$15.6M760.0%$22M
VimeoVimeo
$369.3M1,397-5.0%$450M
CommercialCommercial
$35.0M9461.4%N/A
Review Score
4.6/5
Total Reviews
689
Info
Resi
Sort by:
John P
Reviewed on Jan 17, 2026

RESI have taken a lot of time and…

RESI have taken a lot of time and trouble to create a customer journey that removes the stress and offers really good advice at key points in the process. Everyone in the team are super helpful and have great experience. Our designer listened to our requirements and made amendments to maximise the use of our space. Jack Brigden who was helping us when we got to building control and builder quote stage was very helpful and gave great advice. Its not a cheap process to extend your house these days but I would recommend this team 100%

. FABEL
Reviewed on Jan 13, 2026

Been really helpful in each step along…

Been really helpful in each step along the way to a successful application

Emma Harrison
Reviewed on Jan 10, 2026

Guided me through the whole process

Guided me through the whole process! I wouldn't have had a clue what to do without them

Jacky R
Reviewed on Jan 8, 2026

Highly Recommend for peace of mind!

We have been so grateful to everyone at Resi. Our build was not meant to be a complicated one but their advice with regards to planning applications, building regulations and professional recommendations has been invaluable!

Mehmet Akbasak
Reviewed on Dec 28, 2025

They are very friendly and very…

They are very friendly and very professional. Everything is in one place for house extension projects. I cannot recommend them more. Don't waste time and money with cowboys and do it properly.

Mohsen
Reviewed on Dec 23, 2025

Clear, well-organised planning process with excellent support

I’m currently in the planning stage of my extension project, and the process so far has been clear, professional, and well organised. Communication has been excellent, and the dashboard makes it easy to track progress and understand next steps. As a first-time homeowner undertaking an extension, I’ve really valued the structured guidance and expert support. This review reflects my experience at the planning stage only, and I’ll update it as the project progresses.

Rajendran Veerappan
Reviewed on Dec 23, 2025

Outstanding Service and Stress-Free Planning Approval

We had a great experience working with this architect on our home design. The design process was smooth, thoughtful, and well managed from start to finish. What really stood out was their expertise in securing the necessary permissions, especially given how challenging and complex the approval process was. They handled everything professionally and efficiently, which saved us a lot of time and stress. We’re very happy with the result and would highly recommend them to anyone looking for a reliable and knowledgeable architect. Thank you once again to everyone involved—especially my heartfelt thanks to Ulker Kasif for your exceptional dedication.

Dan Kalikman-Way
Reviewed on Dec 23, 2025

Single Storey Side Extension

We wanted a single storey side extension, but had no idea where to start. I came across Resi and having had an initial sales call with them, then a follow-up call to answer all my questions, we decided to go ahead. They assigned an Account Manager, Em, who has been fantastic the whole way, regularly keeping in touch via phone and message. Their designer, Carleton, worked with us to create our project, maximising the space available for the build whilst keeping within local council regulations, and submitted our planning application for us. Jack organised a number of builders to quote on our project, and at this stage we are yet to go ahead having only just received our approval on our planning application. But the early signs are good, the construction company have already been round, we have been in regular contact and we are excited to proceed with the work. I thoroughly recommend using Resi for any construction project and I would happily use them again in the future.

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