From £21,800
Trusted and professional extension builder in IP9. Experienced in all extension buildering work and keeping within budget and on quote. James Franc...
From £22,112
San Diego Construction Custom Homes has experience building homes in the UK, Canada and the United States since 1999. It was founded on quality and...
From £21,496
Trusted and professional extension builder in IP9. Experienced in all extension buildering work and keeping within budget and on quote. MILTON BUIL...
From £21,296
Caley & Son are here to help customers who need an Extension Builder in IP9. We offer a competitive rate to complete all your extension buildering ...
From £22,024
NEIL WYLIE BUILDERS LIMITED is a trusted extension builder serving customers in IP9 and the surrounding area. Contact us to today to get a competit...
From £21,984
HARVEY & LITTLE BUILDING SERVICES are here to help customers who need an Extension Builder in IP9. We offer a competitive rate to complete all your...
From £21,680
PPM Builders is a trusted extension builder serving customers in IP9 and the surrounding area. Contact us to today to get a competitive quote for e...
From £21,928
Our company is built on trust and communication with our clients.We are of firm belief that our customers needs are of the utmost importance.
From £21,920
Relax... you have found a reliable extension builder in IP9. LWH Builders is a friendly and reliable company based in IP9 who consider no job as to...
From £22,968
Universal Property Services Ltd is an established and experienced local extension builder in IP9. Please contact us for a free, no obligation quote...

A flat roof extension ranges from the cheapest of £21,296 (Caley & Son based in IP3) to the dearest of £22,968 (Universal Property Services Ltd based in IP1), 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 IP9 by posting a job with HaMuch. We'll send it to extension builders in IP9.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Ipswich | £33 | £235 |
| Build A Flat Roof Extension near Harwich | £34 | £248 |
| Build A Flat Roof Extension near Tendring | £31 | £226 |
| Build A Flat Roof Extension near Felixstowe | £31 | £231 |
| Build A Flat Roof Extension near Colchester | £33 | £230 |
| Build A Flat Roof Extension near Clacton-on-Sea | £31 | £232 |
| Build A Flat Roof Extension near Suffolk Coastal | £28 | £215 |
| Build A Flat Roof Extension near Stowmarket | £30 | £221 |
| Build A Flat Roof Extension near Sudbury | £34 | £229 |
| Build A Flat Roof Extension near Witham | £36 | £240 |
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 - £17,421

Two storey extension - £87,881

Build a timber frame extension - £25,921

Build a swimming pool - £80,921

Single storey extension - £53,416

Side return extension - £40,609

Install an RSJ - £2,121

Outbuilding - £9,921

Build a Mansard loft conversion - £51,921

Loft conversion - £33,008

Build a kitchen extension - £41,921

Hip to gable loft conversion - £41,921

Granny annexe - £86,921

Garden office - £9,921

Convert a Garage - £15,921

Garage - £18,421

Build a flat roof extension - £21,921

Build a dormer loft conversion - £41,921

Concrete foundations - £6,171

Convert a bungalow loft - £28,921

Convert a basement - £36,609