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Mr
Jonathan Rimmer
Experienced extension builder ready to quote for your work. Mr is the best extension builder in W10. No obligation free quotes and many happy custo...
"Two storey extension" - NW6, job posted 27/09/26
V.S.P
V.S.P is a trusted extension builder serving customers in W10 and the surrounding area. Contact us to today to get a competitive quote for extensio...
"Side return extension" - NW10, job posted 14/08/25
BPS Building
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"We have a long list of customers that need only a builder that can fit conservatory. We don’t need supplier. Please contact us if you can help. Thanks" - NW10, job posted 10/07/25
1st & 2nd Fix Vasconstruct
Vas Constructs
RUBBERCOVER™ EPDM Permaroof rubber cover and roof system. Lead flashing. NCTS. Timber Frame Buildings. Refurbish fit out, structural ...
"Loft conversion" - W12, job posted 21/04/25
Khetani Builders (UK) Ltd
Experienced extension builder ready to quote for your work. Khetani Builders (UK) Ltd is the best extension builder in W10. No obligation free quot...
"Loft conversion" - W12, job posted 20/04/25
GasHeat
Patrick Kelly
Over 20 years experience
Client focussed and driven
Personal planning and completion of work
Warranty ...
"Loft conversion" - W12, job posted 23/10/24
M & A UK Ltd
Relax... you have found a reliable extension builder in W10. M & A UK Ltd is a friendly and reliable company based in W10 who consider no job as to...
"Flat roof extension for a period mews terraced house. We'd like a bedroom extension with full bathroom and a roof top terrace. Footprint is roughly 8.5m x 6m." - W6, job posted 06/10/24
Newpark Construction
Newpark Construction are here to help customers who need an Extension Builder in W10. We offer a competitive rate to complete all your extension bu...
"Mansard loft conversion" - SHEPHERD'S BUSH, job posted 26/09/24
HUGHES BUILDERS
Experienced extension builder ready to quote for your work. HUGHES BUILDERS is the best extension builder in W10. No obligation free quotes and man...
Heaven Sent Construction
Need to find an Extension Builder near you for all your extension buildering work?
Heaven Sent Construction provides a local, trusted exten...
Plum & Bros Loft Ltd
Plum & Bros Loft Ltd is an established extension buildering business in W10. We come highly recommended and provide competitive quotes for your wor...
Graham Construction
Graham Construction is an established extension buildering business in W10. We come highly recommended and provide competitive quotes for your work...
JNJ Building Services Ltd
Experienced extension builder ready to quote for your work. JNJ Building Services Ltd is the best extension builder in W10. No obligation free quot...
EUROBUILD PROPERTIES CO LTD
Need to find an Extension Builder near you for all your extension buildering work?
EUROBUILD PROPERTIES CO LTD provides a local, trusted ex...
SDM Services
SDM Services is an established extension buildering business in W10. We come highly recommended and provide competitive quotes for your work.
£45/hr
£279/day
Pro Fast Build
Pro Fast Build Ltd. is a well established building company specialising in all areas of building work – interior and exterior. We are the best ch...
£45/hr
£279/day
Hartley Limited
Trusted and professional extension builder in W10. Experienced in all extension buildering work and keeping within budget and on quote. Hartley Lim...
£50/hr
£311/day
K & S
At K&S Interiors Ltd, we offer complete interior and exterior specialising in full home or office refurbishment to clients in Kensington, Chelsea a...
£49/hr
£304/day
Clay Design & Build
Welcome to Clay. We’re a design and build atelier dedicated to transforming our clients’ spaces. Through a bespoke approach, we create designs ...
£45/hr
£282/day
Vyas Design
Need to find an Extension Builder near you for all your extension buildering work?
Vyas Design provides a local, trusted extension builderi...
Quickly find an Extension Builder in W10
Use these steps to find Extension Builders in W10 for FREE!
- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in W10. 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 W10 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 - £26,240
Garden office - £10,240
Granny annexe - £87,240
Build a flat roof extension - £22,240
Convert a Garage - £16,240
Hip to gable loft conversion - £42,240
Convert a bungalow loft - £29,240
Build a dormer loft conversion - £42,240
Build a swimming pool - £81,240
Build a Mansard loft conversion - £52,240
Concrete foundations - £6,490
Underpin a building - £17,740
Two storey extension - £88,360
Convert a basement - £40,200
Side return extension - £44,200
Loft conversion - £36,000
Garage - £18,740
Single storey extension - £59,800
Outbuilding - £10,240
Install an RSJ - £2,440
Build a kitchen extension - £42,240
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