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Coldharbour architects.
Britain's No. 1

South Norwood Country 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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Greenwich planning application stats

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



UK Average


Greenwich's planning officers

Polly Vance, Elizabeth Cowx, Charlotte Norris, Courtney Muir, Swachta Shankar, ...

200 Number of applications
0 - 326 days Submit to complete time
160 Granted applications
40 Refused applications
8w 1d Average decision time
See if you qualify for Permitted Development

We've had 160 planning applications approved in Greenwich

Two storey Side

Leverholme Gardens, SE9 3DF


Ground floor Rear

Witherston Way, SE9 3JJ

15 Apr '24

Ground floor Rear

Prestbury Square, SE9 4LZ

21 Nov '22

Loft Hip to gable with main dormer

Felhampton Road , SE9 3NX

12 Jun '23

Ground floor Wraparound

Felhampton Road , SE9 3NX

04 Jul '23

Ground floor Wraparound

Felhampton Road , SE9 3NX

25 Nov '22

Ground floor Side infill

Offenham Road, SE9 4LY

15 Aug '23

Garage Conversion

Frampton Terrace , SE9 3GD

01 May '24

Ground floor Rear

Steyning Grove, London, SE9 4NQ

09 Jun '21

Ground floor Wraparound

Sidcup Road, SE9 3AG

29 Nov '23

Loft Hip to gable with main dormer

Sidcup Road, SE9 3SB

13 Mar '20

Loft Hip to gable with main dormer

Sidcup Road, SE9 3SB

05 Sep '19

Ground floor Rear

Framlingham Crescent, SE9 4AG

06 Oct '23

Ground floor Side

Larchwood Road, SE9 3SF

10 May '24

Ground floor Rear

Greenway , BR7 6JQ

14 Oct '22

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

Average construction costs for the Coldharbour area

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



Side Infill




First Floor


Try our Construction Cost calculator

Here's just a few projects we've done near Coldharbour

Grasdene Road

Grasdene Road

Loft main dormer
Ground floor rear
Completed 2019
Planning authority Greenwich

Why people near Coldharbour 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...


Ground floor 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 R...


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

Sarah Boothe

would highly recommend this company, worked with Alessio on our planning application for our rea...


Ground floor Side and rear

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

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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 Coldharbour

Home Republic Limited
7 reviews
Covers Coldharbour
39 Resi projects
N-Vico Ltd.
3 reviews
Covers Coldharbour
8 Resi projects
Kovacs Construction Ltd
7 reviews
Covers Coldharbour
31 Resi projects
Lifestyle London Design & Build Ltd