From £87,676
NICK SMITH BUILDERS is an established extension buildering business in PO15. We come highly recommended and provide competitive quotes for your wor...
From £88,060
Been in the trade for over 30 yrs and take pride in my work. Fully insured and references both trade and private available
From £88,276
Stubbington Roofing Ltd. is an established extension buildering business in PO15. We come highly recommended and provide competitive quotes for you...
From £88,000
We are experts in cavity wall insulation, cavity wall insulation removal, loft insulation, loft boarding, room in roof insulation, chemical damp pr...
From £87,964
O NEILL CONSTRUCTION LTD is an established extension buildering business in PO15. We come highly recommended and provide competitive quotes for you...
From £88,288
Trusted and professional extension builder in PO15. Experienced in all extension buildering work and keeping within budget and on quote. A W PAVING...
From £87,892
Relax... you have found a reliable extension builder in PO15. MA Builders is a friendly and reliable company based in PO15 who consider no job as t...
From £87,976
Trusted and professional extension builder in PO15. Experienced in all extension buildering work and keeping within budget and on quote. DAVE HARRI...
From £87,880
We were incorporated in 2015 and have been providing a level of service to our clients that is unparalleled, using knowledge built from 20+ years w...
From £88,456
Thermic Homes is an energy-saving home improvement company operating out of the south coast of England. Our mission is to create warmer homes for t...

Costs range from £87,676 (NICK SMITH BUILDERS based in PO15) to £88,456 (Thermic Homes based in PO16), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
Post your job on HaMuch and we'll send it to extension builders to PO15.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Two Storey Extension near Fareham | £35 | £250 |
| Two Storey Extension near Locks Heath | £33 | £240 |
| Two Storey Extension near Lee-on-the-Solent | £35 | £249 |
| Two Storey Extension near Hedge End | £34 | £244 |
| Two Storey Extension near Gosport | £35 | £246 |
| Two Storey Extension near Portsmouth | £36 | £250 |
| Two Storey Extension near Waterlooville | £36 | £250 |
| Two Storey Extension near Southampton | £34 | £243 |
| Two Storey Extension near Horndean | £35 | £253 |
| Two Storey Extension near Eastleigh | £34 | £244 |
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 - £17,531

Two storey extension - £88,047

Build a timber frame extension - £26,031

Build a swimming pool - £81,031

Single storey extension - £55,624

Side return extension - £41,851

Install an RSJ - £2,231

Outbuilding - £10,031

Build a Mansard loft conversion - £52,031

Loft conversion - £34,043

Build a kitchen extension - £42,031

Hip to gable loft conversion - £42,031

Granny annexe - £87,031

Garden office - £10,031

Convert a Garage - £16,031

Garage - £18,531

Build a flat roof extension - £22,031

Build a dormer loft conversion - £42,031

Concrete foundations - £6,281

Convert a bungalow loft - £29,031

Convert a basement - £37,851