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Imq
Rob Mcmahon
Imq is a trusted extension builder serving customers in Purley and the surrounding area. Contact us to today to get a competitive quote for extensi...
"Loft conversion" - CR2, job posted 30/06/25
Gb construction
Gani Bush
Gb construction are here to help customers who need an Extension Builder in Purley. We offer a competitive rate to complete all your extension bui...
"Loft conversion or ground floor extension" - CR2, job posted 21/03/24
Apex DIY
Need to find an Extension Builder near you for all your extension buildering work?
Apex DIY provides a local, trusted extension buildering ...
The Original Roofing Company
Gre, CR8
The Original Roofing Company are here to help customers who need an Extension Builder in Purley. We offer a competitive rate to complete all your e...
L & S GENERAL BUILDING
L & S GENERAL BUILDING is an established and experienced local extension builder in Purley. Please contact us for a free, no obligation quote and c...
Neats General Builders
Purley, CR8
Relax... you have found a reliable extension builder in Purley. Neats General Builders is a friendly and reliable company based in Purley who consi...
EKJ Construction
EKJ Construction are here to help customers who need an Extension Builder in Purley. We offer a competitive rate to complete all your extension bui...
IK Builders
IK Builders is an established extension buildering business in Purley. We come highly recommended and provide competitive quotes for your work.
...FKN Building Services
Need an Extension Builder in Purley? FKN Building Services has been helping local clients (10 mile radius) with their extension buildering jobs for...
CBK Design & Build
Purley Greater London, CR8
Relax... you have found a reliable extension builder in Purley. CBK Design & Build is a friendly and reliable company based in Purley who consider ...
£44/hr
£273/day
PLG Building Services
Need an Extension Builder in Purley? PLG Building Services has been helping local clients (10 mile radius) with their extension buildering jobs for...
£43/hr
£273/day
J K Carpentry & Building
Jack Kentfield
Experienced extension builder ready to quote for your work. J K Carpentry & Building is the best extension builder in Purley. No obligation free qu...
£45/hr
£278/day
GDH Building & Roofing Services
Our building services company GDH Building & Roofing Services have thirty five years’ experience and have been helping customers in Croydon and t...
£39/hr
£247/day
R D Builders
Robert Dixon
Purley, CR8
R D Builders is an established extension buildering business in Purley. We come highly recommended and provide competitive quotes for your work.
£44/hr
£330/day
G&R CONSTRUCTION LTD
Richard Rhodes
Trusted and professional extension builder in Purley. Experienced in all extension buildering work and keeping within budget and on quote. G&R CONS...
£48/hr
£298/day
General Systems Construction Limited
We design, build and renovate to the highest standard. Our team of revolutionaries is dedicated to realising your passion and making your vision ou...
£40/hr
£251/day
TW BUILDING SERVICES
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£41/hr
£255/day
A ONE BUILDING AND ROOFING LTD
Purley, CR8
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£37/hr
£223/day
PGHomecare Ltd
Paul Gunner
We offer single room decorations to full house refurbishment using products and materials as discussed with clients
£45/hr
£281/day
The Trusted Building Company
We are a South London Based construction company with a passion for building. We pride ourselves in fast paced, high quality work to suit every bud...
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- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in Purley. We’ll notify you via text or email when an Extension Builder is available to quote.
- Select your Extension Builder: Compare Extension Builders interested in working with you. You can use HaMuch to safely message local Purley Extension Builders or phone them directly - you’re in control!
Local Extension Builders in London Boroughs
Job estimates from extension builders near you
Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.

Build a timber frame extension - £26,232

Garden office - £10,232

Granny annexe - £87,232

Build a flat roof extension - £22,232

Convert a Garage - £16,232

Hip to gable loft conversion - £42,232

Convert a bungalow loft - £29,232

Build a dormer loft conversion - £42,232

Build a swimming pool - £81,232

Build a Mansard loft conversion - £52,232

Concrete foundations - £6,482

Underpin a building - £17,732

Two storey extension - £88,348

Convert a basement - £40,110

Side return extension - £44,110

Loft conversion - £35,925

Garage - £18,732

Single storey extension - £59,640

Outbuilding - £10,232

Install an RSJ - £2,432

Build a kitchen extension - £42,232
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