BTC Bernstef Ltd is an established extension buildering business in Waterloo. We come highly recommended and provide competitive quotes for your wo...
J.M.C Building Services is a trusted extension builder serving customers in Waterloo and the surrounding area. Contact us to today to get a competi...
Need an Extension Builder in Waterloo? Bob the Builder has been helping local clients (20 mile radius) with their extension buildering jobs for man...
Thomas Healey
Need an Extension Builder in Waterloo? T&T Building Contractors has been helping local clients (20 mile radius) with their extension buildering job...
Relax... you have found a reliable extension builder in Waterloo. AA Decorators is a friendly and reliable company based in Waterloo who consider n...
Peter Gallagher
Experienced extension builder ready to quote for your work. P & P Building Services is the best extension builder in Waterloo. No obligation free q...
CJ Construction are here to help customers who need an Extension Builder in Waterloo. We offer a competitive rate to complete all your extension bu...
Liverpool Builder is an established extension buildering business in Waterloo. 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...
Relax... you have found a reliable extension builder in Waterloo. KM Building Services is a friendly and reliable company based in Waterloo who con...

A flat roof extension ranges from the cheapest of £20,032 (T&T Building Contractors based in L23) 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 Waterloo by posting a job with HaMuch. We'll send it to extension builders in Waterloo.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Crosby | £33 | £222 |
| Build A Flat Roof Extension near Sefton | £33 | £219 |
| Build A Flat Roof Extension near Bootle | £32 | £223 |
| Build A Flat Roof Extension near Wallasey | £32 | £224 |
| Build A Flat Roof Extension near Maghull | £33 | £219 |
| Build A Flat Roof Extension near Liverpool | £31 | £222 |
| Build A Flat Roof Extension near Kirkby | £31 | £223 |
| Build A Flat Roof Extension near Birkenhead | £31 | £219 |
| Build A Flat Roof Extension near Formby | £23 | £162 |
| Build A Flat Roof Extension near Wirral | £31 | £219 |
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 - £17,078

Two storey extension - £87,366

Build a timber frame extension - £25,578

Build a swimming pool - £80,578

Single storey extension - £46,552

Side return extension - £36,748

Install an RSJ - £1,778

Outbuilding - £9,578

Build a Mansard loft conversion - £51,578

Loft conversion - £29,790

Build a kitchen extension - £41,578

Hip to gable loft conversion - £41,578

Granny annexe - £86,578

Garden office - £9,578

Convert a Garage - £15,578

Garage - £18,078

Build a flat roof extension - £21,578

Build a dormer loft conversion - £41,578

Concrete foundations - £5,828

Convert a bungalow loft - £28,578

Convert a basement - £32,748