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Sydenham architects.
Britain's No. 1

Sydenham Wells 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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Bromley planning application stats

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



UK Average


Resi's planning consultant

Danielle Price

Former Wigan Council Planning Officer
Bromley's planning officers

John White, Manpreet Virdi, Lasse Lottgen, Nicola Taplin, Gary Wong, ...

251 Number of applications
0 - 1380 days Submit to complete time
224 Granted applications
27 Refused applications
9w 2d Average decision time
See if you qualify for Permitted Development

We've had 224 planning applications approved in Bromley

Ground floor Internal alteration

Beaulieu Avenue, SE26 6PW

04 Nov '19

Whole house New build

Spring Hill, SE26 4LD

06 Dec '21

Whole house New build

Spring Hill, SE26 4LD

23 Nov '22

Whole house New build

Spring Hill, SE26 4LD

23 Feb '21

Basement Part house

Newlands Park , SE26 5NB

21 Jun '24

Ground floor Side infill

Charleville Circus, SE26 6NR

10 Jan '20

Ground floor Side infill

Charleville Circus, SE26 6NR

23 Dec '19

Ground floor Front

Forrester Path, SE26 4SE

30 Sep '20

Ground floor Rear

Sydenham Park Road, SE26 4LP

31 May '22

Whole house Internal alteration

Sydenham Park Road, SE26 4LP

04 Aug '22

Loft L shaped dormer

Maitland Road, SE26 5NN

17 Aug '23

Ground floor Rear

Princethorpe Road, SE26 4PF

27 Sep '19

Ground floor Rear

Lennard Terrace, SE20 7LN

20 Oct '22

Ground floor Side infill

Montrave Road, SE20 7BS

08 Oct '20

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

Average construction costs for the Sydenham area

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



Side Infill




First Floor


Try our Construction Cost calculator

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

Sidney Road

Sidney Road

Ground floor wraparound
Loft main dormer
Completed 2021
Planning authority Bromley

Elwill Way

Elwill Way

Completed 2022
Planning authority Bromley

The Penge House

The Penge House

Ground floor side and rear
Completed 2023
Planning authority Bromley

Why people near Sydenham 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