ePrivacy and GPDR Cookie Consent by Cookie Consent South Croydon architects - home extensions for everyday people | Resi

South Croydon architects.
Britain's No. 1

Wandle Park 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

Croydon planning application stats

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



UK Average


Resi's planning consultant

Jordan Macann

Former Wandsworth Council Planning Officer
Croydon's planning officers

Tracey Williams, Haniel Li, Tiffany Chan, Yvette Ralston, Tiffany Liang, ...

190 Number of applications
0 - 372 days Submit to complete time
174 Granted applications
16 Refused applications
8w 1d Average decision time
See if you qualify for Permitted Development

We've had 174 planning applications approved in Croydon

Ground floor Side infill

Avondale Road, CR2 6JE

11 Apr '22

Whole house New build

Selsdon Road, CR2 6PS

10 Sep '21

Loft Main dormer

Upland Road, CR2 6RD

07 Aug '20

Ground floor Wraparound

Napier Road, CR2 6HJ

21 Jul '20

Ground floor Side infill

Avondale Road , CR2 6JB

30 Jun '21

Ground floor Side and rear

Blenheim Crescent, CR2 6BQ

16 May '24

Ground floor Rear

Hurst View Road, CR2 7AJ

27 Mar '24

Ground floor Rear

Page Crescent, CR0 4DT

21 Apr '22

Ground floor Rear

Cossedge Crescent , CR0 4DN

15 Dec '22

Ground floor Side infill

Mount Park Avenue, CR2 6DJ

13 Jun '23

Whole house Internal alteration

Beech House Road, CR0 1JP

21 Feb '20

Loft Main dormer

East Hill, CR2 0AL

04 Sep '19

Loft Hip to gable with main dormer

Upper Selsdon Rd. South Croydon , CR2 0DW

07 Jun '23

Garden Annex

Upper Selsdon Rd. South Croydon , CR2 0DW

06 Jan '20

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

Average construction costs for the South Croydon area

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



Side Infill




First Floor


Try our Construction Cost calculator

Here's just a few projects we've done near South Croydon

Pollards Hill South

Pollards Hill South

Ground floor rear
Completed 2021
Planning authority Croydon

Clifford Road

Clifford Road

Ground floor side infill
Completed 2020
Planning authority Croydon

Queen Mary Road

Queen Mary Road

Ground floor side infill
Completed 2022
Planning authority Croydon

Why people near South Croydon 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

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 South Croydon

Home Republic Limited