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Eastfields architects.
Britain's No. 1

Morden 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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Merton planning application stats

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



UK Average


Resi's planning consultant

Danielle Price

Former Wigan Council Planning Officer
Merton's planning officers

Wendy Wong Chang, Aleks Pantazis, Awot Tesfai, Sarah Tapp, Leigh Harrington, ...

184 Number of applications
5 - 490 days Submit to complete time
168 Granted applications
16 Refused applications
8w 4d Average decision time
See if you qualify for Permitted Development

We've had 168 planning applications approved in Merton

Ground floor Rear

Hammond Avenue, CR4 1SR

30 Mar '20

Ground floor Rear

Fernlea Road, CR4 2HF

29 Oct '21

Garden Annex

Streatham Road, CR4 2AD

06 Jul '20

Loft Main dormer

Langdale Avenue, CR4 4AF

15 Feb '22

Ground floor Rear

Veronica Gardens LONDON, SW16 5JS

16 Apr '24

Loft Hip to gable with main dormer

Manship Road , CR4 2AZ

19 Jul '22

Loft Hip to gable with main dormer

Manship Road , CR4 2AZ

26 Apr '23

Ground floor Rear

Garden Avenue, CR4 2EA

19 Jun '20

Loft No dormer

Whitford Gardens , CR4 4AA

29 Aug '18

Ground floor Side

Turner Avenue, CR4 3JY

04 Jun '18

Ground floor Rear

Rowan Road, SW16 5HZ

18 Feb '21

Ground floor Rear

Marlowe Square, CR4 1DT

23 Apr '19

Ground floor Rear

Marlowe Square, CR4 1DT

11 Apr '19

Ground floor Rear

Stanley Road, CR4 2BH

07 Mar '22

Ground floor Rear

Ashbourne road, CR4 2BB

24 May '24

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

Average construction costs for the Eastfields area

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



Side Infill




First Floor


Try our Construction Cost calculator

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

Seaforth Ave

Seaforth Ave

Ground floor rear
Completed 2021
Planning authority Merton

Herbert Road

Herbert Road

Garage conversion
Ground floor side infill
Completed 2022
Planning authority Merton

Cecil Road

Cecil Road

Loft main dormer
Ground floor rear
Completed 2023
Planning authority Merton

Why people near Eastfields 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