Relax... you have found a reliable extension builder in Redruth. BUILDMARK BUILDERS is a friendly and reliable company based in Redruth who conside...
TR1 Construction Ltd is a one-stop solution for all your extension buildering needs. Establish over 10 years ago and covering 20 miles around Redru...
Phil Searle
Searle Construction are here to help customers who need an Extension Builder in Redruth. We offer a competitive rate to complete all your extensio...
Redruth, TR15
Trusted and professional extension builder in Redruth. Experienced in all extension buildering work and keeping within budget and on quote. D & S B...
D.P.Hatley Building Services is an established extension buildering business in Redruth. We come highly recommended and provide competitive quotes ...
SHORE FIX CONSTRUCTION LTD is an established extension buildering business in Redruth. We come highly recommended and provide competitive quotes fo...
Dave Paull
REDRUTH, TR15
At peninsula refurbishment we provide a service from start to finish with minimal hassle for the customer. The workmanship is always high priority,...
Experienced extension builder ready to quote for your work. KEAST CONSTRUCTION LTD is the best extension builder in Redruth. No obligation free quo...
Elements Build SW Ltd is an established and experienced local extension builder in Redruth. Please contact us for a free, no obligation quote and c...
From £86,632
J C MITCHELL BUILDERS LTD is a trusted extension builder serving customers in Redruth and the surrounding area. Contact us to today to get a compet...

Building a granny annexe ranges from £86,448 (SHORE FIX CONSTRUCTION LTD based in TR12) to £86,904 (Peninsula Property Refurbishments based in TR15), 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 Redruth by posting a job with HaMuch. We will send it to extension builders in Redruth who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Camborne | £28 | £196 |
| Granny Annexe near Truro | £31 | £206 |
| Granny Annexe near Falmouth | £33 | £220 |
| Granny Annexe near St Ives, Cornwall | £27 | £188 |
| Granny Annexe near Newquay | £32 | £230 |
| Granny Annexe near St Austell | £38 | £245 |
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 - £17,161

Two storey extension - £87,491

Build a timber frame extension - £25,661

Build a swimming pool - £80,661

Single storey extension - £48,216

Side return extension - £37,684

Install an RSJ - £1,861

Outbuilding - £9,661

Build a Mansard loft conversion - £51,661

Loft conversion - £30,570

Build a kitchen extension - £41,661

Hip to gable loft conversion - £41,661

Granny annexe - £86,661

Garden office - £9,661

Convert a Garage - £15,661

Garage - £18,161

Build a flat roof extension - £21,661

Build a dormer loft conversion - £41,661

Concrete foundations - £5,911

Convert a bungalow loft - £28,661

Convert a basement - £33,684