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Hamsey Green architects.
Britain's No. 1

Farthing Downs may be popular, but wait until people see your new home extension.

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Beverley Close, Epsom and Ewell →
Benhurst Gardens, Croydon →
Lebanon Road, Croydon →
Pollards Hill South, Croydon →
Lamberhurst Road, Lambeth →
Clifford Road, Croydon →
Derby Hill, Lewisham →
Queen Mary Road, Croydon →
Elwill Way, Bromley →
The Penge House, Bromley →
Fernlea Road, Merton →
Sidney Road, Bromley →

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Croydon planning application stats

Applications in Hamsey Green are decided by the Croydon planning team. Our planning permission win rate is...

92%

vs 87% national average
Resi's planning consultant

Catherine Warburton

Former Frome Council Planning Officer
Croydon's planning officers

Demetri Prevatt, Jonathan Ashworth, Tiffany Liang,...

238 Number of applications
218 Granted applications
20 Refused applications
0 - 372 days Submit to complete time
8w 1d Average decision time

We've had 238 applications approved in Croydon.

Approved 01 Nov '24
Ground floor rear 19 Valley View Gardens Kenley CR8 5BR
Approved 09 Nov '23
Ground floor front & rear, and side and two storey rear 20 Cranleigh Gardens South Croydon CR2 9LD
Approved 27 May '22
Ground floor side and whole house facade alteration 71 Orchard Road South Croydon CR2 9LZ
Approved 19 Mar '21
Ground floor side 71 Orchard Road South Croydon CR2 9LZ
Approved 24 Jan '20
Ground floor wraparound 50 Hilltop Road Whyteleafe CR3 0DD
Approved 15 Mar '19
Ground floor rear & side 85 The Woodfields South Croydon CR2 0HJ
Approved 26 Nov '18
Ground floor rear & side 12 Tudor Close South Croydon CR2 9DX
Approved 28 Feb '25
Ground floor side 254 Limpsfield Road South Croydon CR2 9DD
Approved 10 Apr '25
Ground floor rear 254 Limpsfield Road South Croydon CR2 9DD
Approved 25 May '21
Ground floor front & rear, and side 12 Whyteleafe Hill, Whyteleafe, Surrey, CR3 0AA
Approved 15 Jan '20
Garage conversion and ground floor internal alteration & rear 5 Overhill, Warlingham, Surrey, CR6 9JR
Approved 24 Apr '23
Garage conversion and ground floor rear & side and two storey rear & side 63 Derwent Drive Purley CR8 1ES
Approved 15 May '25
Loft main dormer and two storey rear 254 Limpsfield Road South Croydon CR2 9DD
Approved 09 Nov '23
Ground floor front 20 Cranleigh Gardens South Croydon CR2 9LD
Approved 07 Nov '22
Ground floor internal alteration 12B Ravenshead Close South Croydon CR2 8RL
Show more

Average construction costs for the Croydon area.

In the last year, the construction costs* we've seen for the Hamsey Green 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 Croydon

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...
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
100% recommend Resi to help you through the struggles Resi were a breathe of fresh air to work with. They are responsive, proactive, knowledgable and h...
Kevin Ground Side

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Builders we work with in Croydon

D2D Projects Limited

5.0
2 reviews
Covers Hamsey Green
10 Resi projects

Lifestyle London Design & Build Ltd

5.0
2 reviews
Covers Hamsey Green
12 Resi projects

N-Vico Ltd.

4.0
5 reviews
Covers Hamsey Green
9 Resi projects

Kovacs Construction Ltd

4.0
7 reviews
Covers Hamsey Green
37 Resi projects

Home Republic Limited

4.8
8 reviews
Covers Hamsey Green
46 Resi projects

Flow Property Service Ltd

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

The Planning Man, JEJE Studio Ltd., ADL Design & Build Ltd, Sufair Ltd, AA Drafting Solutions, MTA (Michael Trentham Architects), AJK Architecture + Design Ltd

Other locations we do projects around Hamsey Green

Sanderstead, Whyteleafe, Selsdon, Kenley, Forestdale, Purley Oaks, Old Coulsdon, New Addington, Coombe, Purley,

Postcodes we serve in and around Hamsey Green

CR5, CR6, CR7, CR8, CR9, SM1, SM2, SM3, SM4, SM5, SM6, SM7

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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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