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Blackheath architects.
Britain's No. 1

Greenwich Park may be popular, but wait until people see your new home extension.

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Overhill Road, Southwark →
Kellerton Road, Lewisham →
Southbrook Road, Lewisham →
North Cross Road, Southwark →
Landcroft Road, Southwark →
Belmont Hill, Lewisham →
Derby Hill, Lewisham →
The Penge House, Bromley →
Goodrich Road, Southwark →
Ashbourne Grove, Southwark →
Holme Lacey Road, Lewisham →
Waveney Avenue, Southwark →

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

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Greenwich planning application stats

Applications in Blackheath are decided by the Greenwich planning team. Our planning permission win rate is...

81%

vs 87% national average
Resi's planning consultant

Catherine Warburton

Former Frome Council Planning Officer
Greenwich's planning officers

Polly Vance, Elizabeth Cowx, Charlotte Norris,...

243 Number of applications
196 Granted applications
47 Refused applications
0 - 326 days Submit to complete time
8w 3d Average decision time

We've had 243 applications approved in Greenwich.

Approved 31 Oct '24
Ground floor internal alteration & rear 114 KIDBROOKE PARK ROAD, KIDBROOKE, LONDON, SE3 0DX
Approved 21 Aug '24
First floor rear and ground floor internal alteration & rear, and side 13 BRIGHTFIELD ROAD, LONDON, SE12 8QE
Approved 22 Jun '23
Ground floor front & internal alteration, and rear 62 CORNER GREEN, BLACKHEATH, LONDON, SE3 9JJ
Approved 17 Aug '23
Garage conversion and ground floor front 17 DACRE PLACE, LONDON, SE13 5DJ
Approved 10 Jul '23
Ground floor side 34 ST MARGARETS PASSAGE, LONDON, SE13 5BS
Approved 11 Apr '23
Ground floor rear 9 BRIGHTFIELD ROAD, LONDON, SE12 8QE
Approved 07 Jul '22
Ground floor rear and two storey side 74 MEADOWCOURT ROAD, BLACKHEATH, LONDON, SE3 9DY
Approved 27 May '22
Ground floor rear 9 BRIGHTFIELD ROAD, LONDON, SE12 8QE
Approved 12 Apr '21
Ground floor front & rear 48 BROOKLANDS PARK, BLACKHEATH, LONDON, SE3 9BL
Approved 24 Aug '21
Ground floor side infill GROUND FLOOR FLAT, 20 LENHAM ROAD, LONDON, SE12 8QN
Approved 14 Jul '21
Ground floor side 67A BELMONT HILL, LONDON, SE13 5AX
Approved 09 Dec '24
Ground floor rear and whole house facade alteration 47 FOXES DALE, LONDON, SE3 9BH
Approved 09 Jan '24
Unknown extension type 45 THE LAWNS, LEE TERRACE, LONDON, SE3 9TD
Show more

Average construction costs for the Greenwich area.

In the last year, the construction costs* we've seen for the Blackheath 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 Greenwich

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

Why people near you love Resi

Over 10400 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 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...
Alexander Ground 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 R...
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
Sarah Boothe would highly recommend this company, worked with Alessio on our planning application for our rea...
Sarah Ground Side And Rear

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Builders we work with in Greenwich

D2D Projects Limited

5.0
2 reviews
Covers Blackheath
10 Resi projects

Lifestyle London Design & Build Ltd

5.0
2 reviews
Covers Blackheath
12 Resi projects

N-Vico Ltd.

4.0
5 reviews
Covers Blackheath
9 Resi projects

Kovacs Construction Ltd

4.0
7 reviews
Covers Blackheath
37 Resi projects

Home Republic Limited

4.8
8 reviews
Covers Blackheath
46 Resi projects

Flow Property Service Ltd

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

Brooks Architecture and Interior Design, Smoove Build, JVF London Limited, Creation Projects, Plan It UK, Shape of Architecture, Architecture and Partners

Other locations we do projects around Blackheath

Blackheath Park, Lewisham, Kidbrooke, Maze Hill, Hither Green, Lee, Lee Green, Westcombe Park, Old Woolwich, Horn Park,

Postcodes we serve in and around Blackheath

SE7, SE8, SE9, SE10, SE11, SE12, SE13, BR1, BR2, BR3, BR4, BR5

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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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We are proud to employ architects registered with the Architects Registration Board and were awarded the mark for The Mayor's Good Work Standard for fair pay & conditions, wellbeing, skills, progression, diversity and recruitment.