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Slick Construction Ltd
Need to find an Extension Builder near you for all your extension buildering work?
Slick Construction Ltd provides a local, trusted extensi...
Hawaii Ltd
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Image Design & Consultants
Image Design & Consultants is a trusted extension builder serving customers in Brentford and the surrounding area. Contact us to today to get a com...
AG-Renovation Ltd
AG-Renovation Ltd is a trusted extension builder serving customers in Brentford and the surrounding area. Contact us to today to get a competitive ...
Ferdas Design & Build Ltd
At Ferdas Design & Build Ltd we have been fitting bespoke bathrooms since 2013. We pride ourselves on being the go-to bathroom fitters for discerni...
The Diamond Property Service Ltd
Tomasz Pedowicz
Hi we have 15 years of experience in building and construction industry our specialization is bathrooms and renovations please have a look at the w...
Elite Construction London Ltd
Elite Construction London Ltd
Elite Construction London Ltd has been one of the top providers of building and remodeling services in London for more than ten years.Our goal is ...
Global Building & Designs Ltd
Global Building & Designs Ltd is an established and experienced local extension builder in Brentford. Please contact us for a free, no obligation q...
Andy Harris Construction
Andy Harris
Andy Harris Construction is an established and experienced local extension builder in Brentford. Please contact us for a free, no obligation quote ...
JP CONSTRUCTION
JP CONSTRUCTION is an established extension buildering business in Brentford. We come highly recommended and provide competitive quotes for your wo...
Extension builder estimates (based on hourly rates) to build a single storey extension in Brentford
- 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 Brentford;
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 - £17,726
Two storey extension - £88,338
Build a timber frame extension - £26,226
Build a swimming pool - £81,226
Single storey extension - £59,512
Side return extension - £44,038
Install an RSJ - £2,426
Outbuilding - £10,226
Build a Mansard loft conversion - £52,226
Loft conversion - £35,865
Build a kitchen extension - £42,226
Hip to gable loft conversion - £42,226
Granny annexe - £87,226
Garden office - £10,226
Convert a Garage - £16,226
Garage - £18,726
Build a flat roof extension - £22,226
Build a dormer loft conversion - £42,226
Concrete foundations - £6,476
Convert a bungalow loft - £29,226
Convert a basement - £40,038