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Harrow on the Hill architects.
Britain's No. 1

Harrow School 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

Harrow planning application stats

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

Harrow

%

UK Average

%

Resi's planning consultant

Danielle Price

Former Wigan Council Planning Officer
Harrow's planning officers

Deniss Nikandrovs, Ryan Gallagher, Sushila Bhandari, Ben Greene, Hayden Parker, ...

70 Number of applications
28 - 964 days Submit to complete time
56 Granted applications
14 Refused applications
10w 3d Average decision time
See if you qualify for Permitted Development

We've had 56 planning applications approved in Harrow

Loft No dormer

Kingsfield Road, HA1 3DD

24 Apr '20

Loft No dormer

Kingsfield Road, HA1 3DD

02 Jan '20

Ground floor Side and rear

Merton Road, HA2 0AB

28 Jan '20

Ground floor Side and rear

Merton Road, HA2 0AB

16 Jun '20

Garage Conversion

Sudbury Court Drive, Harrow, HA1 3SZ

25 Mar '21

Garage Conversion

Sudbury Court Drive, Harrow, HA1 3SZ

09 Dec '19

Ground floor Rear

Sudbury Court Drive, Harrow, HA1 3SZ

12 Oct '20

Ground floor Rear

Greenhill Road, HA1 1LD

15 Nov '21

Ground floor Rear

Greenhill Road, HA1 1LD

30 Jul '21

Ground floor Rear

Welldon Crescent , HA1 1QW

29 Oct '21

Ground floor Side infill

Northwick Avenue, HA3 0AB

29 Oct '20

Loft Main dormer

Flambard Road, HA1 2NB

30 Oct '23

Garden Annex

Flambard Road, HA1 2NB

03 Oct '23

Loft Main dormer

Flambard Road, HA1 2NB

11 May '23

Ground floor Front

Roxeth Grove, HA2 8JG

22 Jun '23

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

Average construction costs for the Harrow on the Hill area

In the last year, the construction costs we've seen for the Harrow on the Hill 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 Harrow on the Hill

Why people near Harrow on the Hill 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...

Ann

Loft Hip to gable with main dormer

Alexander Ell

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

Alexander

Ground floor Side

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

Luisa Wolf

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

Luisa

Loft Main dormer

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

Freddie White

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

Freddie

Whole house New build

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

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 Harrow on the Hill

Fittra Construction
Covers Harrow on the Hill
4 Resi projects
N-Vico Ltd.
3.3
3 reviews
Covers Harrow on the Hill
8 Resi projects
Kovacs Construction Ltd
4.0
7 reviews
Covers Harrow on the Hill
31 Resi projects
4 You Residential Ltd
Covers Harrow on the Hill
6 Resi projects
Lifestyle London Design & Build Ltd
5.0
2 reviews
Covers Harrow on the Hill
7 Resi projects
Skyfall Construction Limited
5.0
2 reviews
Covers Harrow on the Hill
5 Resi projects
Check out our vetted builders
Other architects in Harrow on the Hill

iPlans, Plansing, Structice Engineering Consultants Ltd, F Line Designs, AC Design Solutions Ltd, PlanApps, Middlesex & Herts Architectural Services

Postcodes we serve in and around Harrow on the Hill

HA1, HA2, HA3, HA4, HA5, HA6, HA7, HA8, HA9, NW1, NW2, NW3

Speak to an expert

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