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Streatham architects.
Britain's No. 1

Streatham Common 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

Get build-ready in as little as four-weeks

A planning team staffed by ex-council officers

Organise your entire project from one place

Lambeth planning application stats

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

Lambeth

%

UK Average

%

Resi's planning consultant

Danielle Price

Lambeth's planning officers

Scott Stevens, George Hodgkinson, Stephanie Malik, James Siow, Dwayne Clarke, ...

310 Number of applications
27 - 446 days Submit to complete time
267 Granted applications
43 Refused applications
9w 4d Average decision time
See if you qualify for Permitted Development

We've had 267 planning applications approved in Lambeth

Ground floor Side and rear

Sunnyhill Road, SW16 2UG

01 Mar '21

Ground floor Rear

Wellfield Road, SW16 2BT

03 Jun '21

Ground floor Side infill

Kingscourt Road, SW16 1JB

14 Jan '22

Ground floor Internal alteration

Kingscourt Road, SW16 1JB

30 Sep '22

Loft Outrigger dormer

Kingscourt Road, SW16 1JB

24 Mar '23

Ground floor Internal alteration

Kingscourt Road, SW16 1JA

04 Mar '21

Ground floor Internal alteration

Kingscourt Road, SW16 1JB

22 Feb '23

Loft Main dormer

Gracefield Gardens, SW16 2TU

10 Aug '18

Ground floor Rear

Leithcote Gardens, SW16 2UY

06 May '21

Ground floor Internal alteration

Brancaster Road, SW16 1NJ

26 May '23

Loft Mansard roof

Wellfield Road, SW16 2BY

16 Sep '22

Loft Main dormer

Leithcote Gardens, SW16 2UY

23 Aug '23

Ground floor Rear

Woodfield Avenue, SW16 1LE

14 Jun '19

Ground floor Side infill

Harborough Road, SW16 2XW

22 May '20

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

Average construction costs for the Streatham area

In the last year, the construction costs we've seen for the Streatham 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 Streatham

Sternhold Avenue

Sternhold Avenue

Completed 2017
Planning authority Lambeth

Southville Road

Southville Road

Completed 2020
Planning authority Lambeth

Gracefield Gardens

Gracefield Gardens

Loft main dormer
Completed 2019
Planning authority Lambeth

Why people near Streatham love Resi

Over 8100 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

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 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

Absolutely Brilliant!

I was recommended to use Resi by a friend of mine. I found the whole process an absolute dream. F...

Ayisha

Ground floor Side infill

You'd be with the numero uno in architecture category on Trustpilot

Be more likely get an 'A-okay' with our 92% 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 Streatham

Home Republic Ltd
4.7
7 reviews
Covers Streatham
39 Resi projects
My Extension PM Ltd.
4.7
17 reviews
Covers Streatham
103 Resi projects
Fittra Construction
Covers Streatham
4 Resi projects
N-Vico Ltd.
Covers Streatham
6 Resi projects
Kovacs Construction Ltd
4.0
7 reviews
Covers Streatham
30 Resi projects
4 You Residential Ltd
Covers Streatham
6 Resi projects
Check out our vetted builders
Other architects in Streatham

Studio203, The Planning Man, MacAusland Design Ltd, AK Studios - Architecture & Interiors, Stephen Bradbury Architects, RDK Civil Engineering Limited, POD Architects

Postcodes we serve in and around Streatham

SW9, SW10, SW11, SW12, SW13, SW14, SW15, SW16, SW17, SW18, SW19, SW20

Speak to an expert

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