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Harlesden architects.
Britain's No. 1

Roundwood Park may be popular, but wait until people see your new home extension.

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The Avenue, Richmond upon Thames →
Lynton Road, Ealing →
Brecknock Road, Islington →
Grampian Gardens, Barnet →
Herbert Gardens, Brent →
Cambridge Gardens, Kensington and Chelsea →
Walm Lane, Brent →
Cloncurry Street, Hammersmith and Fulham →
Charlton Road, Brent →
Lawrence Road, Ealing →
Corney Road, Hounslow →
Lateward Road, Hounslow →

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Brent planning application stats

Applications in Harlesden are decided by the Brent planning team. Our planning permission win rate is...

87%

vs 85% national average
Resi's planning consultant

Danielle Price

Former Wigan Council Planning Officer
Brent's planning officers

Curtis Thompson, Khadar Ebar, Janseway Cheung,...

122 Number of applications
106 Granted applications
16 Refused applications
0 - 834 days Submit to complete time
8w 6d Average decision time

We've had 122 applications approved in Brent.

Approved 22 Jan '25
Ground floor rear & side 57A Sellons Avenue, London, NW10 4HJ
Approved 22 Jan '25
Ground floor rear & side 57A Sellons Avenue, London, NW10 4HJ
Approved 16 Dec '24
Ground floor rear & side infill 144 Bathurst Gardens, London, NW10 5HX
Approved 10 Dec '24
Loft outrigger dormer 9A Spezia Road, London, NW10 4QJ
Approved 23 Jan '24
Ground floor side 126A Wrottesley Road, London, NW10 5XR
Approved 03 Jan '23
Ground floor rear 29 St Albans Road, London, NW10 8UG
Approved 17 Dec '21
Ground floor rear 96 Herbert Gardens, London, NW10 3BU
Approved 10 Dec '21
Ground floor side infill 42 Inman Road, London, NW10 9JT
Approved 10 Dec '21
Unknown extension type 42 Inman Road, London, NW10 9JT
Approved 08 Mar '21
Unknown extension type 92 & 92A Craven Park Road, London, NW10 4AG
Approved 26 Feb '20
Ground floor side 61 & 63A Buckingham Road, London, NW10 4RJ
Approved 06 Apr '23
Loft main dormer 26A St Marys Road, London, NW10 4AP
Approved 20 Jun '22
Ground floor rear 14 Cross Way, London, NW10 3RF
Approved 21 Nov '24
Ground floor rear & side 21 Letchford Gardens London NW10 6AD
Approved 23 Jan '24
Ground floor side 126A Wrottesley Road, London, NW10 5XR
Approved 06 Apr '23
Loft main dormer 26A St Marys Road, London, NW10 4AP
Approved 03 Jan '23
Ground floor rear 29 St Albans Road, London, NW10 8UG
Approved 20 Jun '22
Ground floor rear 14 Cross Way, London, NW10 3RF
Show more

Average construction costs for the Brent area.

In the last year, the construction costs* we've seen for the Harlesden area are as follows
Rear

£k

Side Infill

£k

Loft

£k

First Floor

£k

Try our build cost calculator
*Costs are up to ‘first fix’ and exclude VAT

More extensions we’ve completed in Brent

Explore designs, build costs and planning applications for more of our extensions.
Show all extensions

Why people near you love Resi

Over 10200 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 Ground Rear
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
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 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...
Helena Ground 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 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
Absolutely Brilliant! I was recommended to use Resi by a friend of mine. I found the whole process an absolute dream. F...
Ayisha Ground Side Infill

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Builders we work with in Brent

Lifestyle London Design & Build Ltd

5.0
2 reviews
Covers Harlesden
12 Resi projects

N-Vico Ltd.

4.0
5 reviews
Covers Harlesden
9 Resi projects

Kovacs Construction Ltd

4.0
7 reviews
Covers Harlesden
37 Resi projects

Home Republic Limited

4.7
7 reviews
Covers Harlesden
45 Resi projects

Skyfall Construction Limited

5.0
2 reviews
Covers Harlesden
9 Resi projects

Flow Property Service Ltd

Covers Harlesden
3 Resi projects
Check out our vetted builders
Other architects in Harlesden

Structice Engineering Consultants Ltd, The Planning Man, InkArchitects, AC Design Solutions Ltd, Office Ten Architecture, Unique Designers, Kwork Architects

Other locations we do projects around Harlesden

Willesden, Willesden Green, Kensal Green, Stonebridge, Park Royal, Dollis Hill, Old Oak Common, Brent Park, North Acton, Brondesbury Park,

Postcodes we serve in and around Harlesden

NW1, NW2, NW3, NW4, NW5, NW6, NW7, NW8, NW9, NW10, NW11, NW12

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Research hub Advice centre FAQs Loft Conversion Costs UK 2025: A Complete Guide to Budgeting Your Build How much does a side return extension cost? House extension without planning permission: what are the rules? The cost of a rear extension in the UK and how to save some pennies House extensions: everything a homeowner needs to know

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