From £21,888
Broadley Construction is an established extension buildering business in Rossendale. We come highly recommended and provide competitive quotes for ...
From £21,568
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £21,856
Experienced extension builder ready to quote for your work. SMH Joinery & Building is the best extension builder in Rossendale. No obligation free ...
From £21,728
Experienced extension builder ready to quote for your work. TowerView Properties is the best extension builder in Rossendale. No obligation free qu...
From £21,592
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £22,016
Experienced extension builder ready to quote for your work. Tetlow Construction Ltd is the best extension builder in Rossendale. No obligation free...
From £21,888
Experienced extension builder ready to quote for your work. Unity Building Services is the best extension builder in Rossendale. No obligation free...
From £21,824
Jnc has been going for 15 years now we have over 10 lads at any time working for us . We Speselied in new building and Exstenshons
From £21,744
H.B.S is an established extension buildering business in Rossendale. We come highly recommended and provide competitive quotes for your work.
From £21,600
Chino's Maintenance is a trusted extension builder serving customers in Rossendale and the surrounding area. Contact us to today to get a competiti...

A flat roof extension ranges from the cheapest of £21,568 (Passive Building Structures based in BL0) to the dearest of £22,016 (Tetlow Construction Ltd based in OL11), 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 Rossendale by posting a job with HaMuch. We'll send it to extension builders in Rossendale.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Rawtenstall | £31 | £230 |
| Build A Flat Roof Extension near Bury | £30 | £220 |
| Build A Flat Roof Extension near Accrington | £33 | £245 |
| Build A Flat Roof Extension near Heywood | £30 | £222 |
| Build A Flat Roof Extension near Rochdale | £30 | £221 |
| Build A Flat Roof Extension near Burnley | £29 | £219 |
| Build A Flat Roof Extension near Darwen | £34 | £253 |
| Build A Flat Roof Extension near Radcliffe | £30 | £220 |
| Build A Flat Roof Extension near Whitefield | £31 | £229 |
| Build A Flat Roof Extension near Middleton | £31 | £227 |
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 - £17,270

Two storey extension - £87,656

Build a timber frame extension - £25,770

Build a swimming pool - £80,770

Single storey extension - £50,408

Side return extension - £38,917

Install an RSJ - £1,970

Outbuilding - £9,770

Build a Mansard loft conversion - £51,770

Loft conversion - £31,598

Build a kitchen extension - £41,770

Hip to gable loft conversion - £41,770

Granny annexe - £86,770

Garden office - £9,770

Convert a Garage - £15,770

Garage - £18,270

Build a flat roof extension - £21,770

Build a dormer loft conversion - £41,770

Concrete foundations - £6,020

Convert a bungalow loft - £28,770

Convert a basement - £34,917