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Richmond Green may be popular, but wait until people see your new home extension.

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Seaforth Ave, Merton →
The Avenue, Richmond upon Thames →
Lynton Road, Ealing →
Uxbridge Road, Kingston upon Thames →
Alexandra Road, Merton →
Cambridge Gardens, Kensington and Chelsea →
Pontes Avenue, Hounslow →
Cloncurry Street, Hammersmith and Fulham →
Herbert Road, Merton →
Lawrence Road, Ealing →
Corney Road, Hounslow →
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 Richmond 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.

Approved 04 Mar '20
Ground floor rear & side 16A Selwyn Avenue Richmond TW9 2HA
Approved 04 Sep '24
Ground floor rear & side 17 Adelaide Road Richmond TW9 1XW
Approved 06 Mar '24
Ground floor rear 239 Richmond Road Twickenham TW1 2NN
Approved 06 Feb '24
Ground floor rear 36 Manning Place Richmond TW10 6LJ
Approved 26 Jan '22
Ground floor rear & side 4 Grena Gardens Richmond TW9 1XP
Approved 29 Sep '21
Ground floor rear & side 38 Albert Road Richmond TW10 6DP
Approved 24 Mar '21
Two storey rear & side and ground floor rear Fairfield House 37B Cambridge Park Twickenham TW1 2JU
Approved 25 Feb '21
Ground floor rear Belvedere House 37B Cambridge Park Twickenham TW1 2JU
Approved 25 Sep '20
Loft main dormer 8A Cambridge Road Twickenham TW1 2HL
Approved 10 Mar '20
Loft main dormer 121 Lower Mortlake Road Richmond TW9 2LW
Approved 06 Apr '20
Ground floor rear & side 121 Lower Mortlake Road Richmond TW9 2LW
Approved 24 Jan '19
Ground floor rear Flat 1 44 Sheen Park Richmond TW9 1UW
Approved 13 Mar '18
First floor rear and ground floor rear & side 20 Selwyn Avenue Richmond TW9 2HA
Show more

Average construction costs for the Richmond upon Thames area.

In the last year, the construction costs* we've seen for the Richmond 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 Richmond
4 Resi projects

N-Vico Ltd.

4.0
5 reviews
Covers Richmond
9 Resi projects

My Extension PM Ltd.

4.8
27 reviews
Covers Richmond
140 Resi projects

Kovacs Construction Ltd

4.0
7 reviews
Covers Richmond
37 Resi projects

Home Republic Limited

4.7
7 reviews
Covers Richmond
45 Resi projects

Flow Property Service Ltd

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

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

Other locations we do projects around Richmond

Richmond upon Thames, East Twickenham, Saint Margarets, Isleworth, Petersham, Kew, North Sheen, Brentford End, Brentford, Woodlands,

Postcodes we serve in and around Richmond

TW1, TW2, TW3, TW4, TW5, TW6, TW7, TW8, TW9, TW10, TW11, TW12

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Check how much architectural designs and support through planning would cost for your extension
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Research hub Advice centre FAQs Loft Conversion Costs UK 2025: A Complete Guide to Budgeting Your Build How much does a side return extension cost? House extension without planning permission: what are the rules? The cost of a rear extension in the UK and how to save some pennies House extensions: everything a homeowner needs to know

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