Mark Robinson
Trusted and professional extension builder in Rainhill. Experienced in all extension buildering work and keeping within budget and on quote. M L R ...
G. Finnigan Builders is an established extension buildering business in Rainhill. We come highly recommended and provide competitive quotes for you...
Need an Extension Builder in Rainhill? KMC Brickwork has been helping local clients (20 mile radius) with their extension buildering jobs for many ...
J.M.C Building Services is a trusted extension builder serving customers in Rainhill and the surrounding area. Contact us to today to get a competi...
Peter Gallagher
Experienced extension builder ready to quote for your work. P & P Building Services is the best extension builder in Rainhill. No obligation free q...
Liverpool Builder is an established extension buildering business in Rainhill. We come highly recommended and provide competitive quotes for your w...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
J J Nuttall Specialist Roofing Ltd are here to help customers who need an Extension Builder in Rainhill. We offer a competitive rate to complete al...
Relax... you have found a reliable extension builder in Rainhill. R Sargeant is a friendly and reliable company based in Rainhill who consider no j...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

A flat roof extension ranges from the cheapest of £21,552 (Liverpool Builder based in L12) to the dearest of £21,936 (P & P Building Services based in L11), 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 Rainhill by posting a job with HaMuch. We'll send it to extension builders in Rainhill.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Huyton with Roby | £31 | £225 |
| Build A Flat Roof Extension near Prescot | £31 | £223 |
| Build A Flat Roof Extension near Knowsley | £31 | £222 |
| Build A Flat Roof Extension near Widnes | £31 | £220 |
| Build A Flat Roof Extension near St Helens | £31 | £224 |
| Build A Flat Roof Extension near Halton | £31 | £220 |
| Build A Flat Roof Extension near Kirkby | £31 | £224 |
| Build A Flat Roof Extension near Runcorn | £33 | £228 |
| Build A Flat Roof Extension near Newton-le-Willows | £31 | £221 |
| Build A Flat Roof Extension near Warrington | £31 | £222 |
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 - £17,236

Two storey extension - £87,604

Build a timber frame extension - £25,736

Build a swimming pool - £80,736

Single storey extension - £49,720

Side return extension - £38,530

Install an RSJ - £1,936

Outbuilding - £9,736

Build a Mansard loft conversion - £51,736

Loft conversion - £31,275

Build a kitchen extension - £41,736

Hip to gable loft conversion - £41,736

Granny annexe - £86,736

Garden office - £9,736

Convert a Garage - £15,736

Garage - £18,236

Build a flat roof extension - £21,736

Build a dormer loft conversion - £41,736

Concrete foundations - £5,986

Convert a bungalow loft - £28,736

Convert a basement - £34,530