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Relax... you have found a reliable extension builder in Stowmarket. Mixbrow Construction is a friendly and reliable company based in Stowmarket who...
From £21,776
Trusted and professional extension builder in Stowmarket. Experienced in all extension buildering work and keeping within budget and on quote. RD F...
From £21,856
Offering a friendly and professional construction and insulation services to private residential and commercial customers in East Anglia and surrou...
From £21,824
Professional, reliable and competitive with great workmanship.

A flat roof extension ranges from the cheapest of £21,624 (Mixbrow Construction based in IP6) to the dearest of £21,856 (D S Mead Limited based in IP14), 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 Stowmarket by posting a job with HaMuch. We'll send it to extension builders in Stowmarket.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Stowmarket | £30 | £221 |
| Build A Flat Roof Extension near Ipswich | £33 | £235 |
| Build A Flat Roof Extension near Bury St Edmunds | £34 | £251 |
| Build A Flat Roof Extension near Suffolk Coastal | £28 | £215 |
| Build A Flat Roof Extension near Sudbury | £34 | £229 |
| Build A Flat Roof Extension near Thetford | £42 | £277 |
| Build A Flat Roof Extension near Felixstowe | £31 | £231 |
| Build A Flat Roof Extension near Harwich | £34 | £248 |
| Build A Flat Roof Extension near Tendring | £31 | £226 |
| Build A Flat Roof Extension near Colchester | £34 | £232 |
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 - £87,655

Build a timber frame extension - £25,770

Build a swimming pool - £80,770

Single storey extension - £50,400

Side return extension - £38,913

Install an RSJ - £1,970

Outbuilding - £9,770

Build a Mansard loft conversion - £51,770

Loft conversion - £31,594

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 - £34,913