Derry Downs architects.
Britain's No. 1
Scadbury Park may be popular, but wait until people see your new home extension.
We’re Britain’s #1 architectural practice for all-things extending
Be cost efficient on designs + planning support
Get your project sorted without the headaches
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Bromley planning application stats
Applications in Derry Downs are decided by the Bromley planning team. Our planning permission win rate is...
90%
vs 85% national average
Danielle Price
Former Wigan Council Planning OfficerAndy Lambert, James Baddeley, Stephanie Gardiner,...
We've had 330 applications approved in Bromley.
Average construction costs for the Bromley area.
In the last year, the construction costs* we've seen for the Derry Downs area are as follows
Rear
£k
Side Infill
£k
Loft
£k
First Floor
£k
More extensions we’ve completed in Bromley
Explore designs, build costs and planning applications for more of our 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.
Feel confident knowing you're with the #1 architect on Trustpilot
Minimise planning risks with our 92% planning approval rate
Stress less with support from your dedicated Account Manager
Keep your project on time & budget with our project management app
Collaborate with your designer on screen-sharing calls
Get introductions to vetted contractors you can trust
Ensure quality with state of the art technology including laser scanners & 3D modelling software
Receive a premium service at an affordable price thanks to Resi's proprietary technology & processes
Builders we work with in Bromley
Flow Property Service Ltd
Other architects in Derry Downs
Keenan Project Designs - Chartered Architects (RIBA & ARB), MTA (Michael Trentham Architects), JEJE Studio Ltd., Planning Property Services, Sophie McManus Architecture, Sufair Ltd, OO Architects
Other locations we do projects around Derry Downs
St Mary Cray, Cockmannings, Kevington, Kevingtown, Ramsden, Perry Hall, Poverest, St Paul's Cray, Broom Hill, New Chelsfield,
Postcodes we serve in and around Derry Downs
BR6, BR7, SE1, SE2, SE3, SE4, SE5, SE6, SE7, SE8, SE9, SE10
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Resi Design Ltd. trading as 'Resi' | Company No: 10471125
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.