From £21,872
Heap, BL9
SMH Build & Renovate is an established extension buildering business in Heap. We come highly recommended and provide competitive quotes for your wo...
From £21,600
Heap, BL9
Chino's Maintenance is a trusted extension builder serving customers in Heap and the surrounding area. Contact us to today to get a competitive quo...
From £21,888
Experienced extension builder ready to quote for your work. Unity Building Services is the best extension builder in Heap. No obligation free quote...
From £21,920
Zero Gravity Design is a disruptive design studio born in Manchester. We’re moon walking, space shaping, interior creatives. We pride ourselves i...
From £21,584
Amak Construction is an established and experienced local extension builder in Heap. Please contact us for a free, no obligation quote and competit...
From £21,600
Trusted and professional extension builder in Heap. Experienced in all extension buildering work and keeping within budget and on quote. Urban Ston...
From £21,344
Trading for over 11 years and 17 years expierience in the building trade, check f book page and google business page to see all my 5 star reviews&n...
From £21,896
Need to find an Extension Builder near you for all your extension buildering work?
J & C Barker (Builders) Limited provides a local, truste...
From £21,960
Need to find an Extension Builder near you for all your extension buildering work?
ESBP Specialists Ltd provides a local, trusted extension...
From £21,792
Need to find an Extension Builder near you for all your extension buildering work?
DC Contractors provides a local, trusted extension build...

A flat roof extension ranges from the cheapest of £21,344 (M Taylor Brickwork based in BL9) to the dearest of £21,960 (ESBP Specialists Ltd based in M26), 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 Heap by posting a job with HaMuch. We'll send it to extension builders in Heap.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Bury | £30 | £220 |
| Build A Flat Roof Extension near Heywood | £30 | £222 |
| Build A Flat Roof Extension near Radcliffe | £30 | £220 |
| Build A Flat Roof Extension near Whitefield | £31 | £229 |
| Build A Flat Roof Extension near Prestwich | £31 | £234 |
| Build A Flat Roof Extension near Middleton | £31 | £227 |
| Build A Flat Roof Extension near Rochdale | £30 | £221 |
| Build A Flat Roof Extension near Farnworth | £30 | £219 |
| Build A Flat Roof Extension near Swinton | £32 | £235 |
| Build A Flat Roof Extension near Bolton | £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 - £17,246

Two storey extension - £87,618

Build a timber frame extension - £25,746

Build a swimming pool - £80,746

Single storey extension - £49,912

Side return extension - £38,638

Install an RSJ - £1,946

Outbuilding - £9,746

Build a Mansard loft conversion - £51,746

Loft conversion - £31,365

Build a kitchen extension - £41,746

Hip to gable loft conversion - £41,746

Granny annexe - £86,746

Garden office - £9,746

Convert a Garage - £15,746

Garage - £18,246

Build a flat roof extension - £21,746

Build a dormer loft conversion - £41,746

Concrete foundations - £5,996

Convert a bungalow loft - £28,746

Convert a basement - £34,638