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Cowley architects.
Britain's No. 1

Colham Manor 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

Get build-ready in as little as four-weeks

A planning team staffed by ex-council officers

Organise your entire project from one place

Hillingdon planning application stats

Our planning permission win rate for the Hillingdon area is as follows:

Hillingdon

%

UK Average

%

Resi's planning consultant

Jordan Macann

Former Wandsworth Council Planning Officer
Hillingdon's planning officers

Mitchell Heaven, Eoin Concannon, Helen Harris, Benjamin Hicks, Niamh McMenamin, ...

84 Number of applications
15 - 301 days Submit to complete time
76 Granted applications
8 Refused applications
8w 6d Average decision time
See if you qualify for Permitted Development

We've had 76 planning applications approved in Hillingdon

Ground floor Front

St Clement close , UB8 3ST

27 Jun '23

Ground floor Rear

Ferndale Crescent, UB8 2AU

21 Jul '21

Ground floor Rear

Ferndale Crescent, UB8 2AU

21 Jul '21

Ground floor Rear

Norton Road, UB8 2PT

13 Feb '24

Ground floor Side infill

Walford Road, UB8 2NG

02 May '19

Ground floor Side

Derby Road, UB8 2NB

20 Jun '24

Loft Main dormer

Derby Road, UB8 2NB

04 Jan '24

Loft Main dormer

Derby Road, UB8 2NB

15 Jan '24

Garden Annex

Manor Waye, UB8 2BQ

01 Aug '23

Ground floor Internal alteration

Vine lane, UB10 0AY

21 Aug '23

Ground floor Internal alteration

Furzeham Road, UB7 9DD

07 May '21

Ground floor Rear

Churchill Avenue, UB10 0EB

17 Dec '21

Ground floor Rear

The Larches, UB10 0DL

09 Dec '22

Ground floor Rear

The Larches, UB10 0DL

23 Dec '22

Ground floor Internal alteration

Sylvana Close, UB10 0BH

13 Aug '19

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

Average construction costs for the Cowley area

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

Rear

£k

Side Infill

£k

Loft

£k

First Floor

£k

Try our Construction Cost calculator

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

Why people near Cowley love Resi

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

Alexander Ell

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

Alexander

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...

Dharam

Two storey Side

Peter Spence

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

Peter

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...

Helena

Ground floor Rear

Patricia Ladly

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

Patricia

Loft Main dormer

STEVE BOWMAN

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

Steve

Ground floor Rear

100% recommend Resi to help you through the struggles

Resi were a breathe of fresh air to work with. They are responsive, proactive, knowledgable and h...

Kevin

Ground floor Side

I could not be happier with the services provided by Resi, very professional, and extremely helpf...

Mark

Loft No dormer

A wonderful service

A wonderful service that I highly recommend for quality, timeline and cost-effectiveness. Harry M...

Paolo

Ground floor Side

David Choi

Good professional service. Very fast turnaround on all actions and requests for further informati...

David

Ground floor Rear

You'd be with the numero uno in architecture category on Trustpilot

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

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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 Cowley

Home Republic Limited
4.7
7 reviews
Covers Cowley
39 Resi projects
Fittra Construction
Covers Cowley
4 Resi projects
N-Vico Ltd.
3.3
3 reviews
Covers Cowley
8 Resi projects
Kovacs Construction Ltd
4.0
7 reviews
Covers Cowley
31 Resi projects
4 You Residential Ltd
Covers Cowley
6 Resi projects
Lifestyle London Design & Build Ltd
5.0
2 reviews
Covers Cowley
7 Resi projects
Check out our vetted builders
Other architects in Cowley

SSD Architecture, The Planning Man, Kwork Architects, Intellect C&C Limited, PlanApps, KevCADs, The Plan Hub

Postcodes we serve in and around Cowley

UB8, UB9, UB10, UB11, TW1, TW2, TW3, TW4, TW5, TW6, TW7, TW8

Speak to an expert

We’re always up for 30 min phone consultations to help you with your project.