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Image Design & Consultants
Image Design & Consultants is a trusted extension builder serving customers in UB2 and the surrounding area. Contact us to today to get a competiti...
"New loft and side extension roof changing" - UB2, job posted 30/08/26
MJ Builders (London) Ltd
Hardeep Samra
MJ Builders (London) Ltd are here to help customers who need an Extension Builder in UB2. We offer a competitive rate to complete all your extensio...
"New loft and side extension roof changing" - SOUTHALL, job posted 30/08/26
DC Build & Pave
Trusted and professional extension builder in UB2. Experienced in all extension buildering work and keeping within budget and on quote. DC Build & ...
"Loft conversion" - SOUTHALL, job posted 03/11/25
Global Building & Designs Ltd
Global Building & Designs Ltd is an established and experienced local extension builder in UB2. Please contact us for a free, no obligation quote a...
"We r a specialist for loft conversion extensions and renovations, we do electrical plumbing new builds house or garage landscaping my company name is JAPJI CONSTRUCTION LIMITED 1598 xxx )" - UB4, job posted 15/09/25
JD Construction
Southall, UB2
JD Construction is an established and experienced local extension builder in UB2. Please contact us for a free, no obligation quote and competitive...
"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
Ava Constructions & Decors Ltd
Need an Extension Builder in UB2? Ava Constructions & Decors Ltd has been helping local clients (10 mile radius) with their extension buildering jo...
"Side return extension" - SOUTHALL, job posted 10/02/25
Gallant Contractors Ltd
Greater London, UB2
Gallant Contractors have partnered with Homeowners, Designers and Architects to deliver unrivalled construction, renovation, double glazing and ref...
"Mansard loft conversion" - HAYES, job posted 10/01/25
Greenline Construction
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"2 storey extension required" - SOUTHALL, job posted 08/10/24
S.K Singh
Need an Extension Builder in UB2? S.K Singh has been helping local clients (10 mile radius) with their extension buildering jobs for many years. Ge...
"Loft conversion in Greenford. Hip and gable seni detached property . Interested in quotes for the shell stage, 1st fix and second fix" - SOUTHALL, job posted 06/08/24
SME Builders Network
Trusted and professional extension builder in UB2. Experienced in all extension buildering work and keeping within budget and on quote. SME Builder...
"Loft conversion..Plus planning" - SOUTHALL, job posted 20/06/24
JP CONSTRUCTION
JP CONSTRUCTION is an established extension buildering business in UB2. We come highly recommended and provide competitive quotes for your work.
"8m Dormer Loft conversion with 2 bedrooms and 2 bathrooms. Let me have your email id and I will send drawings so that you can provide us with quote" - SOUTHALL, job posted 26/02/24
Ideal Construction
Ideal Construction is an established extension buildering business in UB2. We come highly recommended and provide competitive quotes for your work....
"Loft conversion" - SOUTHALL, job posted 29/01/24
Kairon Construction
Experienced extension builder ready to quote for your work. Kairon Construction is the best extension builder in UB2. No obligation free quotes and...
"Loft conversion of a two bedroom flat at the end of the set of flats, to convert loft into a one bedroom flat, with 3 windows, bath,toilet and kitchen in UB 1 1PQ" - SOUTHALL, job posted 27/07/23
Nirvair Builders
Nirvair Builders is an established extension buildering business in UB2. We come highly recommended and provide competitive quotes for your work.
"Loft conversion of a two bedroom flat at the end of the set of flats, to convert loft into a one bedroom flat, with 3 windows, bath,toilet and kitchen in UB 1 1PQ" - SOUTHALL, job posted 27/07/23
D.S Builders
D.S Builders is a trusted extension builder serving customers in UB2 and the surrounding area. Contact us to today to get a competitive quote for e...
House Builders London
Need an Extension Builder in UB2? House Builders London has been helping local clients (10 mile radius) with their extension buildering jobs for ma...
BK Verma
BK Verma is a trusted extension builder serving customers in UB2 and the surrounding area. Contact us to today to get a competitive quote for exten...
GN Property Services Ltd
GN Property Services Ltd are here to help customers who need an Extension Builder in UB2. We offer a competitive rate to complete all your extensio...
In Home Building Construction Ltd
In Home Building Construction Ltd are here to help customers who need an Extension Builder in UB2. We offer a competitive rate to complete all your...
A S BUILDER
Need to find an Extension Builder near you for all your extension buildering work?
A S BUILDER provides a local, trusted extension builderi...
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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 - £26,208
Garden office - £10,208
Granny annexe - £87,208
Build a flat roof extension - £22,208
Convert a Garage - £16,208
Hip to gable loft conversion - £42,208
Convert a bungalow loft - £29,208
Build a dormer loft conversion - £42,208
Build a swimming pool - £81,208
Build a Mansard loft conversion - £52,208
Concrete foundations - £6,458
Underpin a building - £17,708
Two storey extension - £88,312
Convert a basement - £39,840
Side return extension - £43,840
Loft conversion - £35,700
Garage - £18,708
Single storey extension - £59,160
Outbuilding - £10,208
Install an RSJ - £2,408
Build a kitchen extension - £42,208
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