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Mortlake architects.
Britain's No. 1

Saint Mary the Virgin, Mortlake may be popular, but wait until people see your new home extension.

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The Avenue, Richmond upon Thames →
Lynton Road, Ealing →
Alexandra Road, Merton →
Cambridge Gardens, Kensington and Chelsea →
Matthews Street, Wandsworth →
Airedale road, Wandsworth →
Cloncurry Street, Hammersmith and Fulham →
Herbert Road, Merton →
Lawrence Road, Ealing →
Corney Road, Hounslow →
Cecil Road, Merton →
Lateward Road, Hounslow →

We’re Britain’s #1 architectural practice for all-things extending

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Richmond upon Thames planning application stats

Applications in Mortlake are decided by the Richmond upon Thames planning team. Our planning permission win rate is...

89%

vs 85% national average
Resi's planning consultant

Catherine Warburton

Former Frome Council Planning Officer
Richmond upon Thames's planning officers

Nuriya Qureshi Gonzalez, Harri Mclady, Brad Greening,...

158 Number of applications
140 Granted applications
18 Refused applications
6 - 366 days Submit to complete time
8w 4d Average decision time

We've had 158 applications approved in Richmond upon Thames.

Refused 23 Aug '21
Ground floor rear & side Ground Floor Flat 178 Sheen Lane East Sheen London SW14 8LZ
Approved 29 Aug '24
Loft outrigger dormer 20 Deanhill Road East Sheen London SW14 7DF
Approved 07 Aug '24
Ground floor rear & side 20 Deanhill Road East Sheen London SW14 7DF
Approved 18 Sep '23
Loft l shaped dormer 20 Bexhill Road East Sheen London SW14 7NF
Approved 07 Aug '23
Unknown extension type 30 Westfields Avenue Barnes London SW13 0AU
Approved 17 Aug '22
Ground floor rear and loft main dormer 40 Treen Avenue Barnes London SW13 0JT
Approved 13 Apr '22
Ground floor side infill 39 Cleveland Gardens Barnes London SW13 0AE
Approved 20 Jul '21
Ground floor rear & side 7 Fitzgerald Road Mortlake London SW14 8HA
Approved 16 Dec '19
Unknown extension type 32 Elm Road East Sheen London SW14 7JQ
Approved 15 Nov '19
Loft main dormer & conversion 32 Elm Road East Sheen London SW14 7JQ
Approved 04 Feb '20
Ground floor rear & side and first floor side 32 Elm Road East Sheen London SW14 7JQ
Approved 02 May '19
Ground floor rear 23 Graemesdyke Avenue East Sheen London SW14 7BH
Approved 10 Jan '19
Ground floor side infill 30 Portman Avenue East Sheen London SW14 8NX
Approved 28 Feb '23
Loft main dormer 308 Cowley Mansions Mortlake High Street Mortlake London SW14 8SL
Approved 10 Feb '23
First floor rear & side and ground floor rear & side 40 STAVELEY GARDENS, CHISWICK, W4 2SA
Show more

Average construction costs for the Richmond upon Thames area.

In the last year, the construction costs* we've seen for the Mortlake area are as follows
Rear

£k

Side Infill

£k

Loft

£k

First Floor

£k

Try our build cost calculator
*Costs are up to ‘first fix’ and exclude VAT

More extensions we’ve completed in Richmond upon Thames

Explore designs, build costs and planning applications for more of our extensions.
Show all extensions

Why people near you love Resi

Over 10200 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 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 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 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 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 Side Infill

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Builders we work with in Richmond upon Thames

Fittra Construction

Covers Mortlake
4 Resi projects

N-Vico Ltd.

4.0
5 reviews
Covers Mortlake
9 Resi projects

My Extension PM Ltd.

4.8
27 reviews
Covers Mortlake
140 Resi projects

Kovacs Construction Ltd

4.0
7 reviews
Covers Mortlake
37 Resi projects

Home Republic Limited

4.7
7 reviews
Covers Mortlake
45 Resi projects

Flow Property Service Ltd

Covers Mortlake
3 Resi projects
Check out our vetted builders
Other architects in Mortlake

MacAusland Design Ltd, Plans Express, The Plan Hub, Ace Engineering, AA Drafting Solutions, Plansing, Lees Architects LLP

Other locations we do projects around Mortlake

East Sheen, North Sheen, Kew, Barnes, Chiswick, Castelnau, Roehampton, Gunnersbury, Richmond upon Thames, Richmond,

Postcodes we serve in and around Mortlake

SW16, SW17, SW18, SW19, SW20, KT1, KT2, KT3, KT4, KT5, KT6, KT7

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+44 208 068 4811 [email protected]
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