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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, 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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Lewisham planning application stats

Our planning permission win rate for the Lewisham area is as follows:



UK Average


Resi's planning consultant

Danielle Price

Former Wigan Council Planning Officer
Lewisham's planning officers

Sarah White, Cheryl Mumbi, Liam O'Connor, Lucy Bennett, Megan Davies, ...

254 Number of applications
0 - 283 days Submit to complete time
225 Granted applications
29 Refused applications
8w 1d Average decision time
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We've had 225 planning applications approved in Lewisham

Ground floor Side infill

St Donatts Road, SE14 6NU

15 Feb '23

Ground floor Rear

A Lewisham Way, SE14 6PD

21 Jul '23

Two storey Rear

Beech Close, SE8 5HS

05 Apr '19

Ground floor Rear

Brighton Grove, SE14 5UR

24 Feb '22

Ground floor Internal alteration

Rokeby Road, SE4 1DE

21 Sep '22

Ground floor Side infill

Shardeloes Rd , SE14 6RS

02 May '24

Whole house Internal alteration

New Cross Road, SE14 5UH

21 Jan '21

Whole house Internal alteration

Hatcham Park Road, SE14 5QE

31 Jul '19

Ground floor Side and rear

Billington Road, SE14 5QQ

30 Mar '20

Ground floor Side infill

Malpas Road, SE4 1DH

23 Nov '22

Whole house Facade alteration

Strules Road , SE4 2NL

05 Oct '20

Ground floor Side infill

Malpas Road, SE4 1BH

06 Nov '20

Ground floor Side infill

Malpas Road, SE4 1BH

06 Nov '20

Ground floor Side infill

Manor Avenue, SE4 1TD

23 Aug '23

The above are all actual Resi projects in and around Lewisham. Projects have been anonymised in accordance with GDPR data regulations.

Average construction costs for the New Cross area

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



Side Infill




First Floor


Try our Construction Cost calculator

Here's just a few projects we've done near New Cross

Southbrook Road

Southbrook Road

Ground floor wraparound
Completed 2019
Planning authority Lewisham

Holme Lacey Road

Holme Lacey Road

Ground floor rear
Completed 2022
Planning authority Lewisham

Belmont Hill

Belmont Hill

Ground floor side infill
Completed 2022
Planning authority Lewisham

Why people near New Cross 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...


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...


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...


Two storey Side

Luisa Wolf

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


Loft Main dormer

Peter Spence

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


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...


Ground floor Rear

Patricia Ladly

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


Loft Main dormer


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


Ground floor Rear

Freddie White

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


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...


Ground floor Side infill

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