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Karl Builder
Hi we are a building company that have been working in the swindon area for many years we also work as far as bristol We do loft conversion. ...
Trusted and professional extension builder in Eastleigh. Experienced in all extension buildering work and keeping within budget and on quote. Andy'...
Arshad Ali
We are a Design and Build company based in Hampshire. Proud of our roots, we try to be the very best in the way we go about our business. Friendly...
ROB DINE CONSTRUCTION is an established and experienced local extension builder in Eastleigh. Please contact us for a free, no obligation quote and...
Need to find an Extension Builder near you for all your extension buildering work?
Mobile Services provides a local, trusted extension buil...
Claytons Building and Roofing are here to help customers who need an Extension Builder in Eastleigh. We offer a competitive rate to complete all yo...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Luke Rees
Eastleigh, SO53
General Building Services (Southampton) Ltd is a trusted extension builder serving customers in Eastleigh and the surrounding area. Contact us to t...
Experienced extension builder ready to quote for your work. CSY Construction Ltd is the best extension builder in Eastleigh. No obligation free quo...
Experienced extension builder ready to quote for your work. Grant Construction is the best extension builder in Eastleigh. No obligation free quote...

A flat roof extension ranges from the cheapest of £21,752 (Steve Lovett Builders based in SO18) to the dearest of £22,800 (Boss based in SO23), 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 Eastleigh by posting a job with HaMuch. We'll send it to extension builders in Eastleigh.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Eastleigh | £34 | £244 |
| Build A Flat Roof Extension near Chandler's Ford | £34 | £245 |
| Build A Flat Roof Extension near Southampton | £34 | £243 |
| Build A Flat Roof Extension near Hedge End | £34 | £244 |
| Build A Flat Roof Extension near Romsey | £32 | £230 |
| Build A Flat Roof Extension near Totton | £34 | £243 |
| Build A Flat Roof Extension near Winchester | £39 | £283 |
| Build A Flat Roof Extension near Locks Heath | £33 | £240 |
| Build A Flat Roof Extension near Fareham | £35 | £250 |
| Build A Flat Roof Extension near New Forest | £32 | £245 |
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 - £17,602

Two storey extension - £88,152

Build a timber frame extension - £26,102

Build a swimming pool - £81,102

Single storey extension - £57,032

Side return extension - £42,643

Install an RSJ - £2,302

Outbuilding - £10,102

Build a Mansard loft conversion - £52,102

Loft conversion - £34,703

Build a kitchen extension - £42,102

Hip to gable loft conversion - £42,102

Granny annexe - £87,102

Garden office - £10,102

Convert a Garage - £16,102

Garage - £18,602

Build a flat roof extension - £22,102

Build a dormer loft conversion - £42,102

Concrete foundations - £6,352

Convert a bungalow loft - £29,102

Convert a basement - £38,643