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South Ruislip architects.
Britain's No. 1

Cranford Park may be popular, but wait until people see your new home extension, designed by Trustpilot's highest-rated UK architectural practice.

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A planning team staffed by ex-council officers

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Hillingdon planning application stats

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



UK Average


Resi's planning consultant

Jordan Macann

Former Wandsworth Council Planning Officer
Hillingdon's planning officers

Christos Chrysanthou, Rebekah McCullough, Natasha Vernal, Agatha Dutton, 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

Ground floor Rear

Hardy Avenue, HA4 6SU

23 Mar '21

Ground floor Rear

Hardy Avenue, HA4 6SU

20 Jul '21

Garage Conversion

Queens Walk, HA4 0NL

26 Apr '22

Loft Main dormer

Victoria Road, HA4 9DG

04 Jun '20

Loft Main dormer

Exmouth Road, HA4 0UH

20 Jul '22

Loft No dormer

Oxford Drive , HA4 9EY

10 Nov '21

Ground floor Internal alteration

Roundways, HA4 6DZ

06 Sep '19

Ground floor Rear

Dulverton Road, HA4 9AG

15 Nov '23

Garage Conversion

Islip Gardens, UB5 5BX

28 Feb '20

Ground floor Rear

Collins Drive, HA4 9EL

07 Aug '23

Ground floor Rear

Ferncroft Avenue , HA4 9JE

12 Dec '23

Loft Main dormer

Chelston Road, HA4 9SB

13 May '20

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 South Ruislip area

In the last year, the construction costs we've seen for the South Ruislip area are as follows:



Side Infill




First Floor


Try our Construction Cost calculator

Here's just a few projects we've done near South Ruislip

Why people near South Ruislip 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...


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...


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...


Two storey Side

Luisa Wolf

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


Loft Main dormer

Peter Spence

So easy! Previous experience with face to face architect not great. But Resi are so easy to deal ...


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...


Ground floor Rear

Patricia Ladly

I had my reservations about getting design plans on-line but the whole process has been very prof...


Loft Main dormer


Very impressed with the service and the attention to detail to my requirements. the team were ver...


Ground floor Rear

Freddie White

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


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...


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 South Ruislip

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

Plans Express, iPlans, Middlesex & Herts Architectural Services, SSD Architecture, SSD Architecture, The Plan Hub, KevCADs

Postcodes we serve in and around South Ruislip

HA4, HA5, HA6, HA7, HA8, HA9, UB1, UB2, UB3, UB4, UB5, UB6

Speak to an expert

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