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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.

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Hillingdon planning application stats

Applications in Harefield are decided by the Hillingdon planning team. Our planning permission win rate is...

92%

vs 87% national average
Resi's planning consultant

Catherine Warburton

Former Frome Council Planning Officer
Hillingdon's planning officers

Becky Smith, Sharan Singh, Mitchell Heaven,...

98 Number of applications
90 Granted applications
8 Refused applications
15 - 335 days Submit to complete time
8w 6d Average decision time

We've had 98 applications approved in Hillingdon.

Approved 04 May '21
Ground floor rear and loft main dormer & conversion 26 St Peters Close Mill End WD3 8UY
Approved 19 Feb '19
Ground floor rear 20 Highfield Way Rickmansworth Hertfordshire WD3 7PR
Approved 06 Mar '19
Unknown extension type 20 Highfield Way Rickmansworth WD3 7PR
Approved 07 Nov '24
Ground floor rear 2 JACKS LANE HAREFIELD
Approved 12 Aug '24
Ground floor rear 2 JACKS LANE HAREFIELD
Approved 22 Jul '24
Ground floor rear 19 ROY ROAD NORTHWOOD
Approved 10 Oct '23
Ground floor rear 82 HOYLAKE CRESCENT ICKENHAM
Approved 28 Oct '22
Ground floor rear & side 16 ROY ROAD NORTHWOOD
Approved 24 Dec '20
Unknown extension type 125 THE GREENWAY ICKENHAM
Approved 11 Dec '20
Unknown extension type 17 WICKHAM CLOSE HAREFIELD
Approved 02 Oct '20
Ground floor side 125 THE GREENWAY ICKENHAM
Approved 30 Oct '20
Ground floor rear 125 THE GREENWAY ICKENHAM
Approved 05 Aug '20
Ground floor rear 35 ASHURST CLOSE NORTHWOOD HA6 1EL
Approved 30 Jan '20
Two storey rear & side 10 The Cloisters Rickmansworth WD3 1HL
Other 28 Aug '24
Loft main dormer & hip to gable, and conversion 27 Moorfield Road Denham Green Buckinghamshire UB9 5NE
Approved 30 Aug '24
Ground floor rear 27 Moorfield Road Denham Green Buckinghamshire UB9 5NE
Show more

Average construction costs for the Hillingdon 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 build cost calculator
*Costs are up to ‘first fix’ and exclude VAT

More extensions we’ve completed in Hillingdon

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

Why people near you love Resi

Over 10300 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
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
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
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 Side
Sarah Boothe would highly recommend this company, worked with Alessio on our planning application for our rea...
Sarah Ground Side And Rear
I could not be happier with the services provided by Resi, very professional, and extremely helpf...
Mark Loft No Dormer

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Builders we work with in Hillingdon

Lifestyle London Design & Build Ltd

5.0
2 reviews
Covers Harefield
12 Resi projects

Fittra Construction

Covers Harefield
4 Resi projects

N-Vico Ltd.

4.0
5 reviews
Covers Harefield
9 Resi projects

My Extension PM Ltd.

4.8
29 reviews
Covers Harefield
144 Resi projects

Kovacs Construction Ltd

4.0
7 reviews
Covers Harefield
37 Resi projects

Home Republic Limited

4.7
7 reviews
Covers Harefield
45 Resi projects
Check out our vetted builders
Other architects in Harefield

Kwork Architects, PlanApps, Plans Express, Middlesex & Herts Architectural Services, Plansing, Ace Engineering, The Planning Man

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

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