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Brompton architects.
Britain's No. 1

Brompton Cemetery may be popular, but wait until people see your new home extension, designed by Trustpilot's highest-rated UK architectural practice.

Save up to 50% off design + planning costs with Resi Ready

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A planning team staffed by ex-council officers

Organise your entire project from one place

Kensington and Chelsea planning application stats

Our planning permission win rate for the Kensington and Chelsea area is as follows:

Kensington and Chelsea


UK Average


Resi's planning consultant

Danielle Price

Former Wigan Council Planning Officer
Kensington and Chelsea's planning officers

Cheryl Collins, Saima Iqbal, Neville Palmer, Jack Wride, Lisa Cheung, ...

33 Number of applications
21 - 140 days Submit to complete time
29 Granted applications
4 Refused applications
8w 3d Average decision time
See if you qualify for Permitted Development

We've had 29 planning applications approved in Kensington and Chelsea

Loft Roof terrace

Eagle Place, SW7 3RG

05 Sep '22

Loft Roof terrace

Eagle Place, SW7 3RG

06 Jan '22

Garage Conversion

Drayton Gardens, SW10 9QU

19 Jul '22

Ground floor Rear

Tryon Street, SW3 3LG

22 Jan '21

Two storey Rear

Lawrence Street, SW3 5NF

26 Jun '24

Basement Whole house

Laverton Place, SW5 0HJ

29 Oct '21

Ground floor Side infill

Paradise Walk , SW3 4JL

17 Jun '22

Ground floor Side infill

Paradise Walk , SW3 4JL

14 Dec '21

Garden Front extension

Wallgrave, SW5 0RF

01 Oct '18

Ground floor Rear

Lexham Gardens, W8 6JQ

12 Jan '24

Ground floor Rear

Abingdon Road, W8 6QU

21 Jan '21

The above are all actual Resi projects in and around Kensington and Chelsea. Projects have been anonymised in accordance with GDPR data regulations.

Average construction costs for the Brompton area

In the last year, the construction costs we've seen for the Brompton area are as follows:



Side Infill




First Floor


Try our Construction Cost calculator

Here's just a few projects we've done near Brompton

Cambridge Gardens

Cambridge Gardens

Ground floor rear
Completed 2022
Planning authority Kensington and Chelsea

Why people near Brompton love Resi

Over 8400 homeowners have trusted Resi with their home extensions — that’s more than any other architect in the UK.

Came across Resi in 2017 and have to say their service has been exceptional on all fronts. Prompt...


Ground floor Rear

Alexander Ell

Used to do initial design phase for a loft conversion and internal remodelling. Very helpful in t...


Loft Main dormer

The best out there

I have been with Resi now for over a year and they have looked after me well. They have helped me...


Two storey Side

Luisa Wolf

The planning permission (1st of that kind on my neighbourhood) for the extension of my house was...


Loft Main dormer

Peter Spence

So easy! Previous experience with face to face architect not great. But Resi are so easy to deal ...


Ground floor Rear

Resi are a great investment!

Resi have been great. We knew we needed help and saw a couple of “all in” firms before we found R...


Ground floor Rear

Patricia Ladly

I had my reservations about getting design plans on-line but the whole process has been very prof...


Loft Main dormer


Very impressed with the service and the attention to detail to my requirements. the team were ver...


Ground floor Rear

Freddie White

Great service, easy to use and very fast results, highly recommend. Easy process from start to fi...


Whole house New build

Absolutely Brilliant!

I was recommended to use Resi by a friend of mine. I found the whole process an absolute dream. F...


Ground floor Side infill

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Be more likely get an 'A-okay' with our 90% planning approval rating.

A dedicated Account Manager to help you through the process's more stressful moments

Keep your project on time & budget with our project management app

Screen-share with your designer, rather than inconvenient home visits

Get intro'd to vetted builders who've been around the (extension) block before

We use bleeding-edge new tech like laser scanners and 3D modelling software

Receive a premium service at an affordable price thanks to our proprietary technology & processes

Builders we work with in Brompton

Home Republic Limited
7 reviews
Covers Brompton
39 Resi projects
My Extension PM Ltd.
17 reviews
Covers Brompton
106 Resi projects
Fittra Construction
Covers Brompton
4 Resi projects
BDL Development Ltd
3 reviews
Covers Brompton
11 Resi projects
N-Vico Ltd.
3 reviews
Covers Brompton