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J.T.Construction is a trusted extension builder serving customers in WA1 and the surrounding area. Contact us to today to get a competitive quote f...
Fixit Cheshire is an established and experienced local extension builder in WA1. Please contact us for a free, no obligation quote and competitive ...
Need to find an Extension Builder near you for all your extension buildering work?
JOHN ROSS BUILDERS LTD provides a local, trusted extensi...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Get an Extension Builder in WA1 who you can trust. National Plumbing and Heating provide friendly and reliable extension buildering services to the...
From £34,530
Need an Extension Builder in WA1? Space for Edit has been helping local clients (20 mile radius) with their extension buildering jobs for many year...
From £33,540
Trusted and professional extension builder in WA1. Experienced in all extension buildering work and keeping within budget and on quote. HPH Improvm...
From £34,080
Welcome to Space Design & Build a building company based in Warrington.With nearly 40 years combined experience in the industry Space Design & Buil...
From £33,720
Trusted and professional extension builder in WA1. Experienced in all extension buildering work and keeping within budget and on quote. I Wright Bu...
From £38,400
Rdh Property Services is an established and experienced local extension builder in WA1. Please contact us for a free, no obligation quote and compe...

Comparing extension builders estimates for a Convert a basement gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for the cost to convert a basement in WA1 by posting a job with HaMuch and we will send it to extension builders in WA1.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Convert A Basement near Warrington | £31 | £222 |
| Convert A Basement near Newton-le-Willows | £31 | £221 |
| Convert A Basement near Golborne | £30 | £222 |
| Convert A Basement near Irlam | £33 | £237 |
| Convert A Basement near Runcorn | £33 | £228 |
| Convert A Basement near Halton | £31 | £220 |
| Convert A Basement near Widnes | £31 | £220 |
| Convert A Basement near Leigh | £31 | £224 |
| Convert A Basement near Ashton-in-Makerfield | £30 | £220 |
| Convert A Basement near St Helens | £31 | £224 |
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 - £17,298

Two storey extension - £87,698

Build a timber frame extension - £25,798

Build a swimming pool - £80,798

Single storey extension - £50,968

Side return extension - £39,232

Install an RSJ - £1,998

Outbuilding - £9,798

Build a Mansard loft conversion - £51,798

Loft conversion - £31,860

Build a kitchen extension - £41,798

Hip to gable loft conversion - £41,798

Granny annexe - £86,798

Garden office - £9,798

Convert a Garage - £15,798

Garage - £18,298

Build a flat roof extension - £21,798

Build a dormer loft conversion - £41,798

Concrete foundations - £6,048

Convert a bungalow loft - £28,798

Convert a basement - £35,232