From £21,824
Relax... you have found a reliable extension builder in PR1. Wilson Design & Build is a friendly and reliable company based in PR1 who consider no ...
From £21,688
Wilson Design & Build is a full service Construction Company dedicated to building and improving residential and commercial structures according to...
From £21,552
Comprehensive Property Services is an established and experienced local extension builder in PR1. Please contact us for a free, no obligation quote...
From £21,832
Need an Extension Builder in PR1? John Towers Builders has been helping local clients (20 mile radius) with their extension buildering jobs for man...
From £21,616
JS Brickwork are here to help customers who need an Extension Builder in PR1. We offer a competitive rate to complete all your extension buildering...
From £21,896
Need to find an Extension Builder near you for all your extension buildering work?
J.L Noblet provides a local, trusted extension builderin...
From £21,656
Ribble Reclamation is a trusted extension builder serving customers in PR1 and the surrounding area. Contact us to today to get a competitive quote...
From £21,704
Experienced extension builder ready to quote for your work. DB Joinery & Building Contractors Ltd is the best extension builder in PR1. No obligat...
From £21,680
Phil Marlow Builders is a trusted extension builder serving customers in PR1 and the surrounding area. Contact us to today to get a competitive quo...
From £21,728
Need to find an Extension Builder near you for all your extension buildering work?
Bond Joinery & Building provides a local, trusted extens...

A flat roof extension ranges from the cheapest of £21,552 (Comprehensive Property Services based in PR1) to the dearest of £21,896 (J.L Noblet based in PR2), 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 PR1 by posting a job with HaMuch. We'll send it to extension builders in PR1.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Preston | £30 | £219 |
| Build A Flat Roof Extension near Penwortham | £30 | £218 |
| Build A Flat Roof Extension near Fulwood | £31 | £217 |
| Build A Flat Roof Extension near Bamber Bridge | £30 | £217 |
| Build A Flat Roof Extension near Leyland | £31 | £223 |
| Build A Flat Roof Extension near Chorley | £31 | £222 |
| Build A Flat Roof Extension near Blackburn | £34 | £247 |
| Build A Flat Roof Extension near Darwen | £34 | £253 |
| Build A Flat Roof Extension near Lytham St Annes | £28 | £206 |
| Build A Flat Roof Extension near Horwich | £30 | £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 - £17,218

Two storey extension - £87,576

Build a timber frame extension - £25,718

Build a swimming pool - £80,718

Single storey extension - £49,352

Side return extension - £38,323

Install an RSJ - £1,918

Outbuilding - £9,718

Build a Mansard loft conversion - £51,718

Loft conversion - £31,103

Build a kitchen extension - £41,718

Hip to gable loft conversion - £41,718

Granny annexe - £86,718

Garden office - £9,718

Convert a Garage - £15,718

Garage - £18,218

Build a flat roof extension - £21,718

Build a dormer loft conversion - £41,718

Concrete foundations - £5,968

Convert a bungalow loft - £28,718

Convert a basement - £34,323