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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...
AM Builder
Trusted and professional extension builder in SE18. Experienced in all extension buildering work and keeping within budget and on quote. AM Builder...
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...
JASPG Construction & Design
JASPG excel in finding investment opportunities, working together with clients and partners to achieve optimal results. We project manage from star...
From £53,400
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...
From £53,080
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...
From £54,200
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...
From £40,280
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...
From £56,600
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...
From £56,600
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...
Extension builder estimates (based on hourly rates) to build a single storey extension in SE18
- How much does a single storey extension cost?
- Single storey extension cost calculator
- What size single storey extension can I build without planning permission?
- Do I need an architect for an extension?
- How deep do foundations need to be for a single storey extension?
- Is it cheaper to have an extension or a conservatory?
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Estimates for common extension builder jobs in SE18;
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.
Underpin a building - £17,568
Two storey extension - £88,102
Build a timber frame extension - £26,068
Build a swimming pool - £81,068
Single storey extension - £56,360
Side return extension - £42,265
Install an RSJ - £2,268
Outbuilding - £10,068
Build a Mansard loft conversion - £52,068
Loft conversion - £34,388
Build a kitchen extension - £42,068
Hip to gable loft conversion - £42,068
Granny annexe - £87,068
Garden office - £10,068
Convert a Garage - £16,068
Garage - £18,568
Build a flat roof extension - £22,068
Build a dormer loft conversion - £42,068
Concrete foundations - £6,318
Convert a bungalow loft - £29,068
Convert a basement - £38,265