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HOUSE BUILDING SERVICES LIMITED
Tommy House
HOUSE BUILDING SERVICES LIMITED is a trusted extension builder serving customers in SE18 and the surrounding area. Contact us to today to get a com...
"Change mascerator as its overflowing, its behind a cabinet that would need to be o pened up" - SE18, job posted 21/09/26
AM Builder
Trusted and professional extension builder in SE18. Experienced in all extension buildering work and keeping within budget and on quote. AM Builder...
"Basement conversion" - SE18, job posted 18/06/26
PFM General Building Services Ltd
Philip Boateg
London, SE18
Need to find an Extension Builder near you for all your extension buildering work?
PFM General Building Services Ltd provides a local, trus...
"Garden office" - WOOLWICH, job posted 19/03/26
JASPG Construction & Design
JASPG excel in finding investment opportunities, working together with clients and partners to achieve optimal results. We project manage from star...
"Dormer loft conversion" - THAMESMEAD, job posted 24/02/25
£38/hr
£240/day
Keane & Sons Paving
Keane & Sons Paving is an established and experienced local extension builder in SE18. Please contact us for a free, no obligation quote and compet...
"Granny annexe" - ABBEY WOOD, job posted 01/08/24
£38/hr
£238/day
Builder.Special
Builder.Special is an established and experienced local extension builder in SE18. Please contact us for a free, no obligation quote and competitiv...
"Loft conversion" - SE7, job posted 11/01/24
£39/hr
£245/day
Satau Construction Works Ltd
Satau Construction Works Ltd is an established and experienced local extension builder in SE18. Please contact us for a free, no obligation quote a...
£50/hr
£158/day
Birdz Property Services
Zachary Bird
Birdz Property Services are here to help customers who need an Extension Builder in SE18. We offer a competitive rate to complete all your extensio...
£41/hr
£260/day
D S J Building Contractors
D S J Building Contractors are here to help customers who need an Extension Builder in SE18. We offer a competitive rate to complete all your exten...
£41/hr
£260/day
Dry Spell Builders
Dry Spell Builders are here to help customers who need an Extension Builder in SE18. We offer a competitive rate to complete all your extension bui...
£42/hr
£260/day
Sterling Pillar
Greater London, SE18
Need to find an Extension Builder near you for all your extension buildering work?
Sterling Pillar provides a local, trusted extension buil...
£37/hr
£236/day
Thomas Welch & Sons
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£43/hr
£264/day
JobDone
Need to find an Extension Builder near you for all your extension buildering work?
JobDone provides a local, trusted extension buildering s...
£39/hr
£246/day
MAGNET CONSTRUCTION LIMITED
MAGNET CONSTRUCTION LIMITED are here to help customers who need an Extension Builder in SE18. We offer a competitive rate to complete all your exte...
£42/hr
£261/day
RIDGEBACK BUILDERS
Relax... you have found a reliable extension builder in SE18. RIDGEBACK BUILDERS is a friendly and reliable company based in SE18 who consider no j...
£44/hr
£247/day
Den Builders Ltd
Den Builders Ltd is a one-stop solution for all your extension buildering needs. Establish over 10 years ago and covering 5 miles around SE18 we pr...
Quickly find an Extension Builder in SE18
Use these steps to find Extension Builders in SE18 for FREE!
- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in SE18. 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 SE18 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 - £26,048
Garden office - £10,048
Granny annexe - £87,048
Build a flat roof extension - £22,048
Convert a Garage - £16,048
Hip to gable loft conversion - £42,048
Convert a bungalow loft - £29,048
Build a dormer loft conversion - £42,048
Build a swimming pool - £81,048
Build a Mansard loft conversion - £52,048
Concrete foundations - £6,298
Underpin a building - £17,548
Two storey extension - £88,072
Convert a basement - £38,040
Side return extension - £42,040
Loft conversion - £34,200
Garage - £18,548
Single storey extension - £55,960
Outbuilding - £10,048
Install an RSJ - £2,248
Build a kitchen extension - £42,048
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