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Merton architects.
Britain's No. 1

Wimbledon Tennis Court 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:

Merton

%

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 Side infill

Kingston Road , SW20 8DA

09 Jul '24

Ground floor Rear

Watery Lane, SW20 9AD

17 Jul '18

Ground floor Side infill

Richmond Avenue, SW20 8LA

24 Feb '21

Loft Main dormer

Merton Hall Road, SW19 3PY

21 Dec '22

Ground floor Wraparound

Merton Hall Road, SW19 3PY

13 Apr '21

Loft Main dormer

Merton Hall Road, SW19 3PY

14 Jul '21

Ground floor Wraparound

Merton Hall Road, SW19 3PY

22 Feb '21

Ground floor Rear

Cannon Hill Lane, SW20 9JP

05 Jul '18

Two storey Rear

Mostyn Road, SW19 3LN

19 Mar '20

Two storey Rear

Mostyn Road, SW19 3LN

05 Feb '20

Two storey Rear

Mostyn Road, SW19 3LN

26 Feb '21

Ground floor Side infill

Kingston Road, SW20 8LN

26 Mar '19

Ground floor Rear

Springfield Avenue , SW20 9JX

09 Apr '24

Ground floor Rear

Springfield Avenue , SW20 9JX

18 Mar '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 Merton area

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

Rear

£k

Side Infill

£k

Loft

£k

First Floor

£k

Try our Construction Cost calculator

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

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 Merton 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...

Ann

Ground floor Rear

Alexander Ell

Used to do initial design phase for a loft conversion and internal remodelling. Very helpful in t...

Alexander

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...

Dharam

Two storey Side

Luisa Wolf

The planning permission (1st of that kind on my neighbourhood) for the extension of my house was...

Luisa

Loft Main dormer

Peter Spence

So easy! Previous experience with face to face architect not great. But Resi are so easy to deal ...

Peter

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...

Helena

Ground floor Rear

Patricia Ladly

I had my reservations about getting design plans on-line but the whole process has been very prof...

Patricia

Loft Main dormer

STEVE BOWMAN

Very impressed with the service and the attention to detail to my requirements. the team were ver...

Steve

Ground floor Rear

Freddie White

Great service, easy to use and very fast results, highly recommend. Easy process from start to fi...

Freddie

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...

Ayisha

Ground floor Side infill