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Nathan Thomas
Nathan Thomas Plumbing is an established extension buildering business in Halton. We come highly recommended and provide competitive quotes for you...
G. Finnigan Builders is an established extension buildering business in Halton. We come highly recommended and provide competitive quotes for your ...
J.T.Construction is a trusted extension builder serving customers in Halton and the surrounding area. Contact us to today to get a competitive quot...
Fixit Cheshire is an established and experienced local extension builder in Halton. Please contact us for a free, no obligation quote and competiti...
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...
Need an Extension Builder in Halton? KMC Brickwork has been helping local clients (20 mile radius) with their extension buildering jobs for many ye...
Mark Robinson
Trusted and professional extension builder in Halton. Experienced in all extension buildering work and keeping within budget and on quote. M L R Bu...
Richie Crawley
Relax... you have found a reliable extension builder in Halton. R A C Gas is a friendly and reliable company based in Halton who consider no job as...
Relax... you have found a reliable extension builder in Halton. R Sargeant is a friendly and reliable company based in Halton who consider no job a...

A flat roof extension ranges from the cheapest of £21,608 (M L R Building Services based in WA11) to the dearest of £21,992 (J.T.Construction based in WA5), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes.
Find out how much your flat roof extension will cost in Halton by posting a job with HaMuch. We'll send it to extension builders in Halton.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Halton | £31 | £220 |
| Build A Flat Roof Extension near Widnes | £31 | £220 |
| Build A Flat Roof Extension near Runcorn | £33 | £228 |
| Build A Flat Roof Extension near Huyton with Roby | £31 | £225 |
| Build A Flat Roof Extension near Warrington | £31 | £222 |
| Build A Flat Roof Extension near Prescot | £31 | £223 |
| Build A Flat Roof Extension near Knowsley | £31 | £222 |
| Build A Flat Roof Extension near St Helens | £31 | £224 |
| Build A Flat Roof Extension near Newton-le-Willows | £31 | £221 |
| Build A Flat Roof Extension near Ellesmere Port | £31 | £214 |
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 - £17,267

Two storey extension - £87,651

Build a timber frame extension - £25,767

Build a swimming pool - £80,767

Single storey extension - £50,344

Side return extension - £38,881

Install an RSJ - £1,967

Outbuilding - £9,767

Build a Mansard loft conversion - £51,767

Loft conversion - £31,568

Build a kitchen extension - £41,767

Hip to gable loft conversion - £41,767

Granny annexe - £86,767

Garden office - £9,767

Convert a Garage - £15,767

Garage - £18,267

Build a flat roof extension - £21,767

Build a dormer loft conversion - £41,767

Concrete foundations - £6,017

Convert a bungalow loft - £28,767

Convert a basement - £34,881