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Northwood architects.
Britain's No. 1

Northwood Grange may be popular, but wait until people see your new home extension.

The Avenue, Richmond upon Thames
Lynton Road, Ealing
Grampian Gardens, Barnet
Herbert Gardens, Brent
Cambridge Gardens, Kensington and Chelsea
Pontes Avenue, Hounslow
Walm Lane, Brent
Ashurst Road, Barnet
Charlton Road, Brent
Lawrence Road, Ealing
West End Lane, Barnet
Lateward Road, Hounslow

We’re Britain’s #1 architectural practice for all-things extending

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Hillingdon planning application stats

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

92%

vs 85% 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 08 Oct '24
Ground floor rear & side and two storey side 1 Birstall Green South Oxhey Watford Hertfordshire WD19 6RR
Approved 09 May '22
Loft main dormer & conversion 25 Hayling Road South Oxhey Hertfordshire WD19 7BN
Approved 10 Jan '23
Ground floor rear & side 7 Burnley Close South Oxhey Hertfordshire WD19 6YS
Approved 18 Oct '19
Ground floor rear 94 Ashridge Drive South Oxhey WD19 6UQ
Approved 10 Oct '19
Ground floor rear & side 29 Hillcroft Crescent Oxhey Hall WD19 4PB
Approved 12 Dec '24
Ground floor rear 18 MOUNT PARK ROAD EASTCOTE MIDDLESEX HA5 2JR
Approved 16 Dec '24
Loft hip to gable 18 MOUNT PARK ROAD EASTCOTE MIDDLESEX HA5 2JR
Approved 10 May '22
Unknown extension type 12 GERRARD GARDENS EASTCOTE HA5 2PT
Approved 20 Dec '21
Ground floor rear and loft main dormer 12 GERRARD GARDENS EASTCOTE HA5 2PT
Approved 15 Oct '21
Ground floor rear & side and first floor side 63 BOLDMERE ROAD EASTCOTE HA5 1PL
Approved 13 Apr '21
Ground floor rear 39 SUTTON CLOSE EASTCOTE HA5 2JX
Approved 05 Aug '20
Ground floor rear 35 ASHURST CLOSE NORTHWOOD HA6 1EL
Other 07 Apr '20
Ground floor rear & side 4 CURZON PLACE EASTCOTE HA5 2TQ
Approved 06 Apr '23
Unknown extension type 9 Eastglade Northwood HA6 3LD
Approved 10 May '22
Ground floor rear 25 Hayling Road South Oxhey Hertfordshire WD19 7BN

Average construction costs for the Hillingdon area.

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

£k

Side Infill

£k

Loft

£k

First Floor

£k

*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.

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 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 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 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 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

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Builders we work with in Hillingdon

Lifestyle London Design & Build Ltd

5.0
2 reviews
Covers Northwood
12 Resi projects

Fittra Construction

Covers Northwood
4 Resi projects

N-Vico Ltd.

4.0
5 reviews
Covers Northwood
9 Resi projects

My Extension PM Ltd.

4.8
27 reviews
Covers Northwood
140 Resi projects

Kovacs Construction Ltd

4.0
7 reviews
Covers Northwood
37 Resi projects

Home Republic Limited

4.7
7 reviews
Covers Northwood
45 Resi projects
Other architects in Northwood

The Planning Man, Plans Express, F Line Designs, Kwork Architects, F Line Designs, SSD Architecture, KevCADs

Postcodes we serve in and around Northwood

HA6, HA7, HA8, HA9, UB1, UB2, UB3, UB4, UB5, UB6, UB7, UB8

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