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Andy Harris Construction
Andy Harris
Andy Harris Construction is an established and experienced local extension builder in Mortlake. Please contact us for a free, no obligation quote a...
"Side return extension" - SW13, job posted 24/08/23
Building Vision London Ltd
Building Vision London Ltd is a trusted extension builder serving customers in Mortlake and the surrounding area. Contact us to today to get a comp...
AJ Wells
Need to find an Extension Builder near you for all your extension buildering work?
AJ Wells provides a local, trusted extension buildering ...
AG-Renovation Ltd
AG-Renovation Ltd is a trusted extension builder serving customers in Mortlake and the surrounding area. Contact us to today to get a competitive q...
KEVIN GEAR BUILDING & MAINTIAN
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Embury Building Services Ltd
Need to find an Extension Builder near you for all your extension buildering work?
Embury Building Services Ltd provides a local, trusted e...
Specialist Screeding
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
True Linear
True Linear
Relax... you have found a reliable extension builder in Mortlake. True Linear is a friendly and reliable company based in Mortlake who consider no ...
Julia Property Refurbishment
Experienced extension builder ready to quote for your work. Julia Property Refurbishment is the best extension builder in Mortlake. No obligation f...
£43/hr
£269/day
Good Design and Build
Good Design and Build are here to help customers who need an Extension Builder in Mortlake. We offer a competitive rate to complete all your extens...
£47/hr
£292/day
Smart Property Sourcing
Smart Property Sourcing is a trusted extension builder serving customers in Mortlake and the surrounding area. Contact us to today to get a competi...
£42/hr
£260/day
Zulufish
Relax... you have found a reliable extension builder in Mortlake. Zulufish is a friendly and reliable company based in Mortlake who consider no job...
£42/hr
£262/day
Edmond & Tann Builders
Need an Extension Builder in Mortlake? Edmond & Tann Builders has been helping local clients (10 mile radius) with their extension buildering jobs ...
£41/hr
£263/day
Starling Constructions Ltd
moe
Starling Constructions Ltd is an established and experienced local extension builder in Mortlake. Please contact us for a free, no obligation quote...
£41/hr
£256/day
JOHN HOPWOOD DELTA CONSTRUCTION SERVICES
JOHN HOPWOOD DELTA CONSTRUCTION SERVICES is an established and experienced local extension builder in Mortlake. Please contact us for a free, no ob...
£40/hr
£248/day
Sunny Eco
Surrey, SW14
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£40/hr
£246/day
MCB Developments
MCB Developments is an established extension buildering business in Mortlake. We come highly recommended and provide competitive quotes for your wo...
£50/hr
£311/day
Metos Design & Build
Mortlake Surrey, SW14
Metos Design & Build is a property renovation and bespoke kitchen company based in South West London. With two decades of experience and an excepti...
£47/hr
£290/day
Gem Look Construction Ltd.
Gem Look Construction specialise in large refurbishments, extensions, loft conversions and more. Offering a full Design & Build service we are able...
£41/hr
£258/day
Raylian Power Design
Greater London, SW14
Raylian Power Design are here to help customers who need an Extension Builder in Mortlake. We offer a competitive rate to complete all your extensi...
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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 Mortlake. 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 Mortlake 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 - £26,168

Garden office - £10,168

Granny annexe - £87,168

Build a flat roof extension - £22,168

Convert a Garage - £16,168

Hip to gable loft conversion - £42,168

Convert a bungalow loft - £29,168

Build a dormer loft conversion - £42,168

Build a swimming pool - £81,168

Build a Mansard loft conversion - £52,168

Concrete foundations - £6,418

Underpin a building - £17,668

Two storey extension - £88,252

Convert a basement - £39,390

Side return extension - £43,390

Loft conversion - £35,325

Garage - £18,668

Single storey extension - £58,360

Outbuilding - £10,168

Install an RSJ - £2,368

Build a kitchen extension - £42,168
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