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Harefield architects.
Britain's No. 1

Hillingdon Court Park 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

Whole house Internal alteration

Wickham Close, UB9 6QA

14 Dec '20

Loft Main dormer

Tilehouse Lane, UB9 5DA

21 Mar '19

Ground floor Rear

St Peter's Close, WD3 8UY

07 May '21

Whole house Internal alteration

Bury Street, HA4 7TQ

30 Jun '22

Two storey Side

The Cloisters, WD3 1HL

05 Feb '20

Ground floor Wraparound

Hoylake Crescent, UB10 8JF

12 Oct '23

Whole house Internal alteration

Ashurst Close, HA6 1EL

11 Aug '20

Ground floor Wraparound

Roy Road, HA6 1EH

31 Oct '22

Ground floor Rear

Highfield Way, WD3 7PR

11 Mar '19

Ground floor Rear

Highfield Way, WD3 7PR

20 Feb '19

Loft Hip to gable with main dormer

The Greenway, UB10 8LS

05 Jan '21

Ground floor Wraparound

The Greenway, UB10 8LS

02 Nov '20

Ground floor Wraparound

The Greenway, UB10 8LS

05 Oct '20

Ground floor Rear

Addison Way, HA6 1SY

19 Aug '22

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 Harefield area

In the last year, the construction costs we've seen for the Harefield 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 Harefield

Why people near Harefield love Resi

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

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

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

Michelle Lawrence

Fantastic company who was fully supportive on every aspect of my project. Five stars well deserved

Michelle

Two storey Side

Stavros Loizou

Great service. Extremely professional and knowledgeable. i spoke to 4 other companies and Resi we...

Stavros

Whole house Flat conversion

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

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 Harefield

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

The Planning Man, Kwork Architects, Plans Express, AC Design Solutions Ltd, Intellect C&C Limited, KevCADs, SSD Architecture

Other locations we do projects around Harefield

Northwood, Ickenham, Ruislip, Uxbridge, Eastcote, Pinner, Hatch End, South Ruislip, Hillingdon,

Postcodes we serve in and around Harefield

UB9, UB10, UB11, HA0, HA1, HA2, HA3, HA4, HA5, HA6, HA7, HA8

Speak to an expert

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