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GDW Construction
Relax... you have found a reliable extension builder in SM1. GDW Construction is a friendly and reliable company based in SM1 who consider no job a...
D & R Roofing & Loft Conversions, Building & Design
Relax... you have found a reliable extension builder in SM1. D & R Roofing & Loft Conversions, Building & Design is a friendly and reliable company...
Hilton building contractors ltd
Hilton building contractors ltd is a trusted extension builder serving customers in SM1 and the surrounding area. Contact us to today to get a comp...
Amazing Space Design and Build Ltd.
Relax... you have found a reliable extension builder in SM1. Amazing Space Design and Build Ltd. is a friendly and reliable company based in SM1 wh...
RM Sanwell Roofing
RM Sanwell Roofing is a trusted extension builder serving customers in SM1 and the surrounding area. Contact us to today to get a competitive quote...
CSJ Building Services
Trusted and professional extension builder in SM1. Experienced in all extension buildering work and keeping within budget and on quote. CSJ Buildin...
Masters Property Services
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
NCN Projects
Experienced extension builder ready to quote for your work. NCN Projects is the best extension builder in SM1. No obligation free quotes and many h...
SEDGWICK BUILDING SERVICES LLP
SEDGWICK BUILDING SERVICES LLP are here to help customers who need an Extension Builder in SM1. We offer a competitive rate to complete all your ex...
REA CONSTRUCTION LTD
REA CONSTRUCTION LTD are here to help customers who need an Extension Builder in SM1. We offer a competitive rate to complete all your extension bu...
Extension builder estimates (based on hourly rates) to build a single storey extension in SM1
- How much does a single storey extension cost?
- Single storey extension cost calculator
- What size single storey extension can I build without planning permission?
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- How deep do foundations need to be for a single storey extension?
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Estimates for common extension builder jobs in SM1;
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 - £17,722
Two storey extension - £88,332
Build a timber frame extension - £26,222
Build a swimming pool - £81,222
Single storey extension - £59,432
Side return extension - £43,993
Install an RSJ - £2,422
Outbuilding - £10,222
Build a Mansard loft conversion - £52,222
Loft conversion - £35,828
Build a kitchen extension - £42,222
Hip to gable loft conversion - £42,222
Granny annexe - £87,222
Garden office - £10,222
Convert a Garage - £16,222
Garage - £18,722
Build a flat roof extension - £22,222
Build a dormer loft conversion - £42,222
Concrete foundations - £6,472
Convert a bungalow loft - £29,222
Convert a basement - £39,993