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Slick Construction Ltd
Need to find an Extension Builder near you for all your extension buildering work?
Slick Construction Ltd provides a local, trusted extensi...
"Porch construction on the side entrance of the house" - TW3, job posted 21/08/26
TFC Construction
Trusted and professional extension builder in Twickenham. Experienced in all extension buildering work and keeping within budget and on quote. TFC ...
"Basement conversion" - TW2, job posted 04/05/26
Hawaii Ltd
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"Loft conversion" - TWICKENHAM, job posted 01/07/25
Tota Builders
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"Granny annexe" - TWICKENHAM, job posted 30/06/25
AMBUILD LTD
Need to find an Extension Builder near you for all your extension buildering work?
AMBUILD LTD provides a local, trusted extension builderi...
"Loft conversion" - TWICKENHAM, job posted 03/03/25
Michael Kramarz, MK Builds
Michael Kramarz, MK Builds are here to help customers who need an Extension Builder in Twickenham. We offer a competitive rate to complete all your...
"Concrete foundation" - HOUNSLOW, job posted 17/01/25
£38/hr
£238/day
Masterbuild & Design Ltd
Masterbuild & Design Ltd is an established and experienced local extension builder in Twickenham. Please contact us for a free, no obligation quote...
"Loft conversion" - TWICKENHAM, job posted 03/06/24
£46/hr
£289/day
Burbeck Project Management
Twickenham London, TW1
Burbeck Project Management is a residential property development management company, working with clients across London to plan, design, and build ...
£43/hr
£270/day
BC 10 Builder Services
BC 10 Builder Services are here to help customers who need an Extension Builder in Twickenham. We offer a competitive rate to complete all your ext...
£41/hr
£258/day
Habitus Home Improvements
Twickenham Greater London, TW1
Trusted and professional extension builder in Twickenham. Experienced in all extension buildering work and keeping within budget and on quote. Habi...
£49/hr
£304/day
Dashwood Interiors
Dashwood Interiors is one of the elegant kitchen designers and creators. We offer a one-window solution for a range of kitchen solutions enabling i...
£43/hr
£270/day
WeAreKooshty
Twickenham Surrey, TW1
Since launching our eponymous label in 2015, we have infused our love for Canada and Alaska into the DNA of the We Are Kooshty brand, rede?ning how...
£47/hr
£294/day
Patrick + Rosie
Trusted and professional extension builder in Twickenham. Experienced in all extension buildering work and keeping within budget and on quote. Patr...
£44/hr
£275/day
Twickenham Home Ltd
Need an Extension Builder in Twickenham? Twickenham Home Ltd has been helping local clients (10 mile radius) with their extension buildering jobs f...
£51/hr
£316/day
Luka Construction LTD
Luka Construction Ltd offers professional building services to all of the London postcodes. We offer a variety of building services all carried out...
£41/hr
£260/day
Maltwood
Greater London, TW1
Maltwood are here to help customers who need an Extension Builder in Twickenham. We offer a competitive rate to complete all your extension builder...
£44/hr
£277/day
Kapeti Ltd
At Kapeti Ltd we create well planned interior architecture and interior design projects. We offer turnkey solutions in residential and commercial s...
£47/hr
£293/day
Planning Design Building
Planning Design Building is a trusted extension builder serving customers in Twickenham and the surrounding area. Contact us to today to get a comp...
£41/hr
£258/day
Sherif Mourad
Need an Extension Builder in Twickenham? Sherif Mourad has been helping local clients (10 mile radius) with their extension buildering jobs for man...
£41/hr
£262/day
Lofty Aspiration Builders
Lofty Aspiration Builders is an established extension buildering business in Twickenham. We come highly recommended and provide competitive quotes ...
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Use these steps to find Extension Builders in Twickenham for FREE!
- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in Twickenham. 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 Twickenham 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 - £26,160

Garden office - £10,160

Granny annexe - £87,160

Build a flat roof extension - £22,160

Convert a Garage - £16,160

Hip to gable loft conversion - £42,160

Convert a bungalow loft - £29,160

Build a dormer loft conversion - £42,160

Build a swimming pool - £81,160

Build a Mansard loft conversion - £52,160

Concrete foundations - £6,410

Underpin a building - £17,660

Two storey extension - £88,240

Convert a basement - £39,300

Side return extension - £43,300

Loft conversion - £35,250

Garage - £18,660

Single storey extension - £58,200

Outbuilding - £10,160

Install an RSJ - £2,360

Build a kitchen extension - £42,160
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