From £21,736
Nelson, BB9
A M BUILDING MAINTAINANCE is an established extension buildering business in Nelson. We come highly recommended and provide competitive quotes for ...
From £21,920
Nelson, BB9
RJ BUILDERS CONSTRUCTION - Loft Conversions and Plastering specialists
From £21,576
Nelson, BB9
Need to find an Extension Builder near you for all your extension buildering work?
Ken Thomas Property Repairs provides a local, trusted ex...
From £21,688
Nelson, BB9
Experienced extension builder ready to quote for your work. Garage Door Services Lancashire is the best extension builder in Nelson. No obligation ...
From £21,616
Nelson, BB9
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £21,952
Pennine Building Services are here to help customers who need an Extension Builder in Nelson. We offer a competitive rate to complete all your exte...
From £21,656
Need an Extension Builder in Nelson? M.A Martins has been helping local clients (20 mile radius) with their extension buildering jobs for many year...
From £21,704
Need to find an Extension Builder near you for all your extension buildering work?
Usaim Builders provides a local, trusted extension build...
From £21,640
Relax... you have found a reliable extension builder in Nelson. CROSS CONSTRUCTION LTD is a friendly and reliable company based in Nelson who consi...
From £21,992
Nelson, BB9
Need an Extension Builder in Nelson? CPS has been helping local clients (20 mile radius) with their extension buildering jobs for many years. Get a...

A flat roof extension ranges from the cheapest of £21,576 (Ken Thomas Property Repairs based in BB9) to the dearest of £21,992 (CPS based in BB9), 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 Nelson by posting a job with HaMuch. We'll send it to extension builders in Nelson.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Nelson | £27 | £214 |
| Build A Flat Roof Extension near Burnley | £29 | £219 |
| Build A Flat Roof Extension near Accrington | £33 | £245 |
| Build A Flat Roof Extension near Rawtenstall | £31 | £230 |
| Build A Flat Roof Extension near Calderdale | £33 | £253 |
| Build A Flat Roof Extension near Blackburn | £34 | £247 |
| Build A Flat Roof Extension near Keighley | £30 | £226 |
| Build A Flat Roof Extension near Darwen | £34 | £253 |
| Build A Flat Roof Extension near Bingley | £30 | £226 |
| Build A Flat Roof Extension near Rochdale | £30 | £221 |
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 - £17,248

Two storey extension - £87,622

Build a timber frame extension - £25,748

Build a swimming pool - £80,748

Single storey extension - £49,960

Side return extension - £38,665

Install an RSJ - £1,948

Outbuilding - £9,748

Build a Mansard loft conversion - £51,748

Loft conversion - £31,388

Build a kitchen extension - £41,748

Hip to gable loft conversion - £41,748

Granny annexe - £86,748

Garden office - £9,748

Convert a Garage - £15,748

Garage - £18,248

Build a flat roof extension - £21,748

Build a dormer loft conversion - £41,748

Concrete foundations - £5,998

Convert a bungalow loft - £28,748

Convert a basement - £34,665