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QA's Pointing and Brick Repair
QA's Pointing Brick Repair
Relax... you have found a reliable extension builder in Sloane Square. QA's Pointing and Brick Repair is a friendly and reliable company based in S...
"Concrete foundation" - W1T, job posted 16/10/25
D & G Building & Decorating
Experienced extension builder ready to quote for your work. D & G Building & Decorating is the best extension builder in Sloane Square. No obligati...
"Basement conversion" - LAMBETH, job posted 02/05/25
A to Z Builders Ltd
A to Z Builders Ltd are here to help customers who need an Extension Builder in Sloane Square. We offer a competitive rate to complete all your ext...
"Extension to lower ground area." - SW9, job posted 28/03/25
Cornerstones Construction
Experienced extension builder ready to quote for your work. Cornerstones Construction is the best extension builder in Sloane Square. No obligation...
JK Doors
JK Doors is a trusted extension builder serving customers in Sloane Square and the surrounding area. Contact us to today to get a competitive quote...
F & F Building Services
F & F Building Services is an established extension buildering business in Sloane Square. We come highly recommended and provide competitive quotes...
Phormwork
Phormwork are here to help customers who need an Extension Builder in Sloane Square. We offer a competitive rate to complete all your extension bui...
BUILD TEAM
Need to find an Extension Builder near you for all your extension buildering work?
BUILD TEAM provides a local, trusted extension builderin...
£40/hr
£248/day
Palm Property Developments Ltd
Experienced extension builder ready to quote for your work. Palm Property Developments Ltd is the best extension builder in Sloane Square. No oblig...
£40/hr
£247/day
KÖK London ltd.
Need an Extension Builder in Sloane Square? KÖK London ltd. has been helping local clients (5 mile radius) with their extension buildering jobs fo...
£50/hr
£312/day
Loran Design and Build Ltd
Our building services company Loran Design and Build Ltd was established in 2020 but have been providing customers in Clapham and the surrounding a...
£42/hr
£269/day
plansing
Plansing Ltd
Experience the best architectural design services with PLANSING, where we flawlessly integrate innovative architectural designer products to bring ...
£26/hr
£26/day
London Design And Build
London Design And Build
Here at London Design and Build, our team of architects, interior designers, structural engineers and contractors, offer a bespoke, turn-key servic...
£47/hr
£292/day
Luxury Movement
Luxury Movement is an established extension buildering business in Sloane Square. We come highly recommended and provide competitive quotes for you...
£41/hr
£253/day
ALT CONSTRUCTION
At Alt Construction we provide a complete and professional turnkey construction service for internal alterations, extensions, including detailed de...
£48/hr
£299/day
Property Refurbishment London
Trusted and professional extension builder in Sloane Square. Experienced in all extension buildering work and keeping within budget and on quote. P...
£38/hr
£237/day
Sloane Ave Renovations
Trusted and professional extension builder in Sloane Square. Experienced in all extension buildering work and keeping within budget and on quote. S...
£48/hr
£301/day
Autas Developments
Our building services company Autas Developments have fifteen years' experience of helping customers in Central London and the surrounding areas by...
£47/hr
£292/day
Knightsbridge Design
Knightsbridge Design was founded by a group consisting of some of the most exceptional and talented decorators in London. Our mission is to provide...
£47/hr
£290/day
Cliden Construction (London)
Cliden Construction (London) is a trusted extension builder serving customers in Sloane Square and the surrounding area. Contact us to today to get...
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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 Sloane Square. 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 Sloane Square 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 - £26,192
Garden office - £10,192
Granny annexe - £87,192
Build a flat roof extension - £22,192
Convert a Garage - £16,192
Hip to gable loft conversion - £42,192
Convert a bungalow loft - £29,192
Build a dormer loft conversion - £42,192
Build a swimming pool - £81,192
Build a Mansard loft conversion - £52,192
Concrete foundations - £6,442
Underpin a building - £17,692
Two storey extension - £88,288
Convert a basement - £39,660
Side return extension - £43,660
Loft conversion - £35,550
Garage - £18,692
Single storey extension - £58,840
Outbuilding - £10,192
Install an RSJ - £2,392
Build a kitchen extension - £42,192
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