P ALLEN BUILDERS is an established and experienced local extension builder in Caerphilly. Please contact us for a free, no obligation quote and com...
The Philog Paving Services is an established extension buildering business in Caerphilly. We come highly recommended and provide competitive quotes...
Experienced extension builder ready to quote for your work. Chapman Builders is the best extension builder in Caerphilly. No obligation free quotes...
Alan Gaddarn
Very reliable honest and hard working guarantee all work clean and tidy first class work
Experienced extension builder ready to quote for your work. JA Building Maintenance is the best extension builder in Caerphilly. No obligation free...
Experienced extension builder ready to quote for your work. TOR BUILD is the best extension builder in Caerphilly. No obligation free quotes and ma...
Relax... you have found a reliable extension builder in Caerphilly. Charles Marshall Contracting Ltd is a friendly and reliable company based in Ca...
Gareth Thorpe
G T Brickwork is an established extension buildering business in Caerphilly. We come highly recommended and provide competitive quotes for your wor...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Caerphilly | £33 | £208 |
| Single Storey Extension near Church Village | £34 | £214 |
| Single Storey Extension near Pontypridd | £33 | £211 |
| Single Storey Extension near Risca | £32 | £218 |
| Single Storey Extension near Cardiff | £34 | £223 |
| Single Storey Extension near Rhondda | £31 | £206 |
| Single Storey Extension near Newport | £41 | £233 |
| Single Storey Extension near Cwmbran | £43 | £219 |
| Single Storey Extension near Penarth | £35 | £224 |
| Single Storey Extension near Rhondda, Cynon, Taff | £31 | £209 |
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 - £17,149

Two storey extension - £87,473

Build a timber frame extension - £25,649

Build a swimming pool - £80,649

Single storey extension - £47,976

Side return extension - £37,549

Install an RSJ - £1,849

Outbuilding - £9,649

Build a Mansard loft conversion - £51,649

Loft conversion - £30,458

Build a kitchen extension - £41,649

Hip to gable loft conversion - £41,649

Granny annexe - £86,649

Garden office - £9,649

Convert a Garage - £15,649

Garage - £18,149

Build a flat roof extension - £21,649

Build a dormer loft conversion - £41,649

Concrete foundations - £5,899

Convert a bungalow loft - £28,649

Convert a basement - £33,549