From £88,420
Relax... you have found a reliable extension builder in SL7. ABC Associates STRUCTURES 4 U is a friendly and reliable company based in SL7 who cons...
From £88,276
Experienced extension builder ready to quote for your work. Good Country Builders is the best extension builder in SL7. No obligation free quotes a...
From £88,180
Relax... you have found a reliable extension builder in SL7. SPACE Design. Build. Interiors is a friendly and reliable company based in SL7 who con...
From £88,048
GREENWORKS CONSTRUCTION is an established and experienced local extension builder in SL7. Please contact us for a free, no obligation quote and com...
From £88,120
Need to find an Extension Builder near you for all your extension buildering work?
Complete Home Development provides a local, trusted exte...
From £87,964
Georgie Noone has worked in the property industry for the last 15 years, undertaking house refurbishments, extensions and new builds. She has worke...
From £88,420
Stonehouse Consultants is an independent specialist construction consultancy delivering a range of quality construction services to projects throug...
From £87,856
Experienced extension builder ready to quote for your work. Wooburn Project Management Ltd is the best extension builder in SL7. No obligation free...
From £88,456
Our maidenhead based Carpentry, Joinery & Building company can offer a complete single room or property solution to you. Working with han...
From £87,856
Bow Tie Construction is an established and experienced local extension builder in SL7. Please contact us for a free, no obligation quote and compet...

Costs range from £87,856 (Wooburn Project Management Ltd based in HP12) to £88,456 (JMD Carpentry & Building based in SL6), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
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"Two storey extension" - SL6
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Two Storey Extension near High Wycombe | £39 | £272 |
| Two Storey Extension near Maidenhead | £41 | £273 |
| Two Storey Extension near Wycombe | £39 | £271 |
| Two Storey Extension near Hazlemere | £40 | £272 |
| Two Storey Extension near Slough | £42 | £274 |
| Two Storey Extension near Windsor | £42 | £273 |
| Two Storey Extension near Windsor & Maidenhead | £42 | £274 |
| Two Storey Extension near Gerrards Cross | £43 | £282 |
| Two Storey Extension near Woodley | £42 | £267 |
| Two Storey Extension near Caversham | £38 | £266 |
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 - £17,606

Two storey extension - £88,160

Build a timber frame extension - £26,106

Build a swimming pool - £81,106

Single storey extension - £57,128

Side return extension - £42,697

Install an RSJ - £2,306

Outbuilding - £10,106

Build a Mansard loft conversion - £52,106

Loft conversion - £34,748

Build a kitchen extension - £42,106

Hip to gable loft conversion - £42,106

Granny annexe - £87,106

Garden office - £10,106

Convert a Garage - £16,106

Garage - £18,606

Build a flat roof extension - £22,106

Build a dormer loft conversion - £42,106

Concrete foundations - £6,356

Convert a bungalow loft - £29,106

Convert a basement - £38,697