From £21,760
Waterlooville, PO8
Maw Carpentry Services are here to help customers who need an Extension Builder in Waterlooville. We offer a competitive rate to complete all your ...
From £22,312
Relax... you have found a reliable extension builder in Waterlooville. MC Architectural Design is a friendly and reliable company based in Waterloo...
From £21,752
Waterlooville, PO8
we're Specialists in the following
•roofing
•brickwork
•Repointing
...From £21,184
Waterlooville, PO8
Need to find an Extension Builder near you for all your extension buildering work?
M G Home Improvements provides a local, trusted extensio...
From £21,848
Trusted and professional extension builder in Waterlooville. Experienced in all extension buildering work and keeping within budget and on quote. R...
From £21,896
With over 40 years of experience ARC Property Maintenance & Home Improvements Ltd has been providing a full range of structural repairs and buildin...
From £23,504
Need to find an Extension Builder near you for all your extension buildering work?
KC Fencing Ltd provides a local, trusted extension buil...
From £21,768
TP Developments are here to help customers who need an Extension Builder in Waterlooville. We offer a competitive rate to complete all your extensi...
From £21,800
Relax... you have found a reliable extension builder in Waterlooville. C M BENNETT CONSTRUCTION LTD is a friendly and reliable company based in Wat...
From £22,104
As a family owned limited company of over 40 years, our focus on quality and service has seen our business thrive and grow, solely through recommen...

A flat roof extension ranges from the cheapest of £21,184 (M G Home Improvements based in PO8) to the dearest of £23,504 (KC Fencing Ltd based in po9), 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 Waterlooville by posting a job with HaMuch. We'll send it to extension builders in Waterlooville.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Waterlooville | £36 | £250 |
| Build A Flat Roof Extension near Horndean | £35 | £253 |
| Build A Flat Roof Extension near Havant | £35 | £249 |
| Build A Flat Roof Extension near Havant & Waterloo | £35 | £248 |
| Build A Flat Roof Extension near Portsmouth | £36 | £250 |
| Build A Flat Roof Extension near Fareham | £35 | £250 |
| Build A Flat Roof Extension near Gosport | £35 | £246 |
| Build A Flat Roof Extension near Lee-on-the-Solent | £35 | £249 |
| Build A Flat Roof Extension near East Hampshire | £38 | £258 |
| Build A Flat Roof Extension near Chichester | £34 | £242 |
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 - £17,493

Two storey extension - £87,989

Build a timber frame extension - £25,993

Build a swimming pool - £80,993

Single storey extension - £54,856

Side return extension - £41,419

Install an RSJ - £2,193

Outbuilding - £9,993

Build a Mansard loft conversion - £51,993

Loft conversion - £33,683

Build a kitchen extension - £41,993

Hip to gable loft conversion - £41,993

Granny annexe - £86,993

Garden office - £9,993

Convert a Garage - £15,993

Garage - £18,493

Build a flat roof extension - £21,993

Build a dormer loft conversion - £41,993

Concrete foundations - £6,243

Convert a bungalow loft - £28,993

Convert a basement - £37,419