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Greenwich architects.
Britain's No. 1

Royal Observatory, Greenwich 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

Ground floor Side infill

Azof Street, SE10 0EG

03 Mar '21

Loft Main dormer

Fingal Street, SE10 0JJ

02 Jul '19

Ground floor Side infill

Fingal Street, SE10 0JJ

23 Nov '22

Ground floor Side infill

Fingal Street, SE10 0JJ

16 Nov '22

Loft Main dormer

Fingal Street, SE10 0JJ

18 Apr '19

Two storey Rear

Pelton Road, SE10 9AH

03 May '24

Two storey Side

Chevening Road, SE10 0LA

30 Nov '23

Ground floor Side infill

Pelton Road, SE10 9PQ

21 Sep '20

Ground floor Internal alteration

Colomb Street, SE10 9HA

13 Apr '22

Two storey Side

Halstow Road, SE10 0LD

28 Jul '21

Two storey Side

Halstow Road, SE10 0LD

09 Apr '21

Loft Outrigger dormer

Annandale Road, SE10 0JZ

17 Jul '24

Ground floor Rear

Banning Street, SE10 9PH

22 Dec '22

Ground floor Wraparound

Kemsing Road, SE10 0LL

19 Sep '19

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 Greenwich area

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



Side Infill




First Floor


Try our Construction Cost calculator

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

Grasdene Road

Grasdene Road

Loft main dormer
Ground floor rear
Completed 2019
Planning authority Greenwich

Why people near Greenwich 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...


Ground floor Rear

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...


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

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 Greenwich

Home Republic Limited
7 reviews
Covers Greenwich
39 Resi projects
My Extension PM Ltd.
17 reviews
Covers Greenwich
106 Resi projects
N-Vico Ltd.
3 reviews
Covers Greenwich
8 Resi projects
Kovacs Construction Ltd