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New Cross architects.
Britain's No. 1

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

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

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Lewisham planning application stats

Applications in New Cross are decided by the Lewisham planning team. Our planning permission win rate is...

90%

vs 85% national average
Resi's planning consultant

Catherine Warburton

Former Frome Council Planning Officer
Lewisham's planning officers

Seth Harris, Anna Redmond, Carys Morgan, Soren Olsen,...

311 Number of applications
279 Granted applications
32 Refused applications
0 - 283 days Submit to complete time
8w 2d Average decision time

We've had 311 applications approved in Lewisham.

Approved 23 Dec '24
Ground floor rear infill 43 TRESSILLIAN ROAD, LONDON, SE4 1YG
Approved 02 May '24
Ground floor rear 110A SHARDELOES ROAD, LONDON, SE14 6RS
Approved 20 Jul '23
Ground floor rear 126A LEWISHAM WAY, LONDON, SE14 6PD
Approved 16 Jun '23
Unknown extension type 45 SANDROCK ROAD, LONDON, SE13 7TS
Refused 17 Apr '23
Ground floor rear 45 SANDROCK ROAD, LONDON, SE13 7TS
Approved 14 Feb '23
Ground floor side infill 41 ST DONATT'S ROAD, LONDON, SE14 6NU
Approved 23 Nov '22
Unknown extension type 158 MALPAS ROAD, LONDON, SE4 1DH
Approved 15 Sep '22
Ground floor rear 21 BEVERLEY COURT, LONDON, SE4 1UN
Approved 20 Sep '22
Ground floor rear infill 10 ROKEBY ROAD, LONDON, SE4 1DE
Approved 23 Feb '22
Ground floor rear 10 BRIGHTON GROVE, LONDON, SE14 5UR
Approved 20 Dec '21
First floor rear and ground floor rear and loft main dormer 42 TYRWHITT ROAD, LONDON, SE4 1QG
Approved 04 May '21
Ground floor rear BASEMENT FLAT, 73 MANOR AVENUE, LONDON, SE4 1TD
Approved 06 Aug '21
Loft outrigger dormer 190B Queens Road London Southwark SE15 2HP
Approved 06 Aug '21
Loft main dormer 190B Queens Road London Southwark SE15 2HP
Show more

Average construction costs for the Lewisham area.

In the last year, the construction costs* we've seen for the New Cross 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 Lewisham

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 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 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 Lewisham

Lifestyle London Design & Build Ltd

5.0
2 reviews
Covers New Cross
12 Resi projects

N-Vico Ltd.

4.0
5 reviews
Covers New Cross
9 Resi projects

My Extension PM Ltd.

4.8
27 reviews
Covers New Cross
140 Resi projects

Kovacs Construction Ltd

4.0
7 reviews
Covers New Cross
37 Resi projects

Home Republic Limited

4.7
7 reviews
Covers New Cross
45 Resi projects

Flow Property Service Ltd

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

OO Architects, Design Extension, Homestead - The Planning & Building Regulations Company LTD, OUTSIDE the BOX architecture Ltd., Kappa Planning Ltd, Orb Property Planning, Well St Studio, RIBA Chartered Practice

Other locations we do projects around New Cross

New Cross Gate, Deptford, Hatcham, Brockley, Nunhead, Surrey Quays, Rotherhithe, Peckham, Ladywell, Old Woolwich,

Postcodes we serve in and around New Cross

SE14, SE15, BR1, BR2, BR3, BR4, BR5, BR6, SE7, SE8, SE9, SE10

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