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OAK HOUSE BESPOKE BUILDERS
Need to find an Extension Builder near you for all your extension buildering work?
OAK HOUSE BESPOKE BUILDERS provides a local, trusted ext...
"Porch construction on the side entrance of the house" - TW3, job posted 21/08/26
T M Builder
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"Basement conversion" - TW2, job posted 04/05/26
Brick House Builders Ltd
Jatinder Kahlon
Hi, I’m Jatinder. I’m a qualified electrician and gas safe registered professional with 10 years of experience in the trade. We specialise in l...
"Loft conversion" - TW14, job posted 23/10/25
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...
"Loft conversion" - TW14, job posted 19/10/25
Luxuria Property Ltd
From 2007 – 2015 David Rudelhoff (Founder and Director) was the Property Manager for a high profile, high net worth family. During that time, in ...
"Loft conversion of a small 3 bed end of terrace. Currently gang nail truss. Ending up with 3 velux to the front and a pitched dormer to the rear. Architect and engineer plans available." - WEST MOLESEY, job posted 08/09/25
GDC Design & Build
Lead by designer Richard Gordon, GDC is a London and Berkshire based Design & Build firm with a vast amount of experience in both the residential a...
"Outbuilding" - STAINES-UPON-THAMES, job posted 06/08/25
TFC Construction
Trusted and professional extension builder in Sunbury-on-thames. Experienced in all extension buildering work and keeping within budget and on quot...
"Loft conversion" - TWICKENHAM, job posted 01/07/25
Hawaii Ltd
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
Image Design & Consultants
Image Design & Consultants is a trusted extension builder serving customers in Sunbury-on-thames and the surrounding area. Contact us to today to g...
"Infill extension and movement of toilet" - KT7, job posted 21/05/25
Tota Builders
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"Want to build a outbuilding 6meters by 4 meters with brick fibre roof 1 double glazing door 1 glazing window will need to do electrics to the outhouse fit in lighting and plug sockets" - HESTON, job posted 08/05/25
R & R Roofing Guildford
Russell Worcester
R & R Roofing Guildford are here to help customers who need an Extension Builder in Sunbury-on-thames. We offer a competitive rate to complete all ...
"Loft conversion" - TW14, job posted 07/05/25
We Fix & Upkeep Ltd
Cosmin-Adrian Aporcariti
We are a company based in South London, with a strong will to work and to do the best job possible every tine we start a job (big or small) because...
"Single storey extension" - SHEPPERTON, job posted 06/03/25
PURE DESIGN AND BUILD
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"Looking for a conservatory with tiled roof and windows. Dimension 4m by 4m." - TW19, job posted 03/03/25
GS Wood Building Services
Need to find an Extension Builder near you for all your extension buildering work?
GS Wood Building Services provides a local, trusted exte...
"Loft conversion" - TWICKENHAM, job posted 03/03/25
H Plus Global Ltd
This business has not added a description yet.
"Two storey extension" - KT2, job posted 16/02/25
D A P CONSTRUCTION
David Phelan
Please visit our web site. Www. Dapconstruction. Co . Uk to c all our work and client recommendations.
"Concrete foundation" - HOUNSLOW, job posted 17/01/25
FLUID CONSTRUCTION
Need an Extension Builder in Sunbury-on-thames? FLUID CONSTRUCTION has been helping local clients (10 mile radius) with their extension buildering ...
"Garage" - WEYBRIDGE, job posted 28/10/24
MJ Builders (London) Ltd
Hardeep Samra
MJ Builders (London) Ltd are here to help customers who need an Extension Builder in Sunbury-on-thames. We offer a competitive rate to complete all...
"Erection of new 7mx4m Outbuilding in back Garden for use as Gym/Office" - TW15, job posted 17/06/24
Ascent Builders
Mick Winn
All of our work is guaranteed and covered by public liability and third party insurance for £5 million, giving our customers absolute peace of min...
"Loft conversion" - TWICKENHAM, job posted 03/06/24
CJC BUILDERS
Trusted and professional extension builder in Sunbury-on-thames. Experienced in all extension buildering work and keeping within budget and on quot...
Compare Sunbury-on-thames extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Sunbury-on-Thames | £43 | £273 |
| Extension Builders near West Molesey | £43 | £274 |
| Extension Builders near Walton-on-Thames | £43 | £277 |
| Extension Builders near Elmbridge | £44 | £278 |
| Extension Builders near Richmond Upon Thames | £43 | £274 |
| Extension Builders near Esher | £43 | £274 |
| Extension Builders near Hounslow | £43 | £272 |
| Extension Builders near Staines-upon-Thames | £42 | £269 |
| Extension Builders near New Haw | £43 | £273 |
| Extension Builders near Kingston Upon Thames | £43 | £271 |
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 - £26,184

Garden office - £10,184

Granny annexe - £87,184

Build a flat roof extension - £22,184

Convert a Garage - £16,184

Hip to gable loft conversion - £42,184

Convert a bungalow loft - £29,184

Build a dormer loft conversion - £42,184

Build a swimming pool - £81,184

Build a Mansard loft conversion - £52,184

Concrete foundations - £6,434

Underpin a building - £17,684

Two storey extension - £88,276

Convert a basement - £39,570

Side return extension - £43,570

Loft conversion - £35,475

Garage - £18,684

Single storey extension - £58,680

Outbuilding - £10,184

Install an RSJ - £2,384

Build a kitchen extension - £42,184
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