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Streatham Hill architects.
Britain's No. 1

Tooting Bec Common 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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Lambeth planning application stats

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



UK Average


Resi's planning consultant

Danielle Price

Former Wigan Council Planning Officer
Lambeth's planning officers

Simone Ward, Zoe Bacon, Danielle Smith, C, Kate Hayler, ...

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

We've had 274 planning applications approved in Lambeth

Whole house Internal alteration

Wyatt Park Road, SW2 3TP

09 Mar '21

Ground floor Wraparound

Montrell Road, SW2 4QD

11 Jan '24

Ground floor Wraparound

Montrell Road, SW2 4QD

13 Mar '24

Ground floor Wraparound

Montrell Road, SW2 4QD

19 Feb '24

Ground floor Rear


19 May '23

Ground floor Side infill

Barcombe Avenue , SW2 3BA

11 Apr '19

Ground floor Side infill

Barcombe Avenue, SW2 3BQ

25 Oct '21

Ground floor Side infill

Holmewood Gardens, SW2 3NB

23 Feb '21

Ground floor Internal alteration

Wavertree Road, SW2 3SN

29 Sep '22

Ground floor Side infill

Amesbury Avenue, SW2 3BJ

07 Feb '22

Ground floor Rear

Emmanuel Road, SW12 0HR

01 Aug '19

Ground floor Side infill

Telford Avenue, SW2 4XH

18 Aug '23

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 Hill area

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



Side Infill




First Floor


Try our Construction Cost calculator

Here's just a few projects we've done near Streatham Hill

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 Hill 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

Absolutely Brilliant!

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


Ground floor Side infill

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