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SANDSTONE BUILDERS T/A is a trusted extension builder serving customers in Fowey and the surrounding area. Contact us to today to get a competitive...
From £87,184
Our building services company MS Builders (South West) Ltd has over 17 years’ experience in the industry. We have been helping customers in Liske...
From £86,784
Fowey, PL23
HAM & PEARCE CONSTRUCTION LTD is a trusted extension builder serving customers in Fowey and the surrounding area. Contact us to today to get a comp...
From £86,840
Aston Construction Project Management is a trusted extension builder serving customers in Fowey and the surrounding area. Contact us to today to ge...
From £87,104
Need an Extension Builder in Fowey? Paul Clarke Architectural Builders has been helping local clients (20 mile radius) with their extension builder...
From £87,088
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £87,104
We are a part of the award-winning Refresh Renovation franchise network.Whether you want a simple bathroom remodel, or a large double storey extens...
From £87,064
Probuild was set up as a platform to service clients with High End affordable quality Construction & project Management with solid advice & accurat...

Building a granny annexe ranges from £86,784 (HAM & PEARCE CONSTRUCTION LTD based in PL23) to £87,184 (MS Builders (South West) Ltd based in PL14), but these are just estimates that can help give you an idea of who will be better value in your area.
The best thing to do is to get quotes to build a granny annexe in Fowey by posting a job with HaMuch. We will send it to extension builders in Fowey who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near St Austell | £38 | £245 |
| Granny Annexe near Truro | £31 | £206 |
| Granny Annexe near Newquay | £32 | £230 |
| Granny Annexe near Plymouth | £30 | £230 |
| Granny Annexe near Falmouth | £33 | £220 |
| Granny Annexe near Camborne | £28 | £196 |
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 - £17,513

Two storey extension - £88,020

Build a timber frame extension - £26,013

Build a swimming pool - £81,013

Single storey extension - £55,260

Side return extension - £41,646

Install an RSJ - £2,213

Outbuilding - £10,013

Build a Mansard loft conversion - £52,013

Loft conversion - £33,872

Build a kitchen extension - £42,013

Hip to gable loft conversion - £42,013

Granny annexe - £87,013

Garden office - £10,013

Convert a Garage - £16,013

Garage - £18,513

Build a flat roof extension - £22,013

Build a dormer loft conversion - £42,013

Concrete foundations - £6,263

Convert a bungalow loft - £29,013

Convert a basement - £37,646