From £86,984
We are a construction company that have been providing professional high quality work for 25 years.
We work mainly with listed and period...
From £86,960
M D A BUILDERS is an established extension buildering business in Antony. We come highly recommended and provide competitive quotes for your work....
From £86,712
Need to find an Extension Builder near you for all your extension buildering work?
PLATINUM CONSTRUCTION provides a local, trusted extensio...
From £86,712
Trading since 1997 kitchens,bathrooms lofts patios roof work and much more
From £86,480
Need to find an Extension Builder near you for all your extension buildering work?
Donovan Construction provides a local, trusted extensio...
From £87,424
Java construction
provide a complete building service and design
we also provide building maitanance
w...
From £86,768
Need an Extension Builder in Antony? NCN Building & Maintenance Ltd has been helping local clients (20 mile radius) with their extension buildering...
From £87,072
Experienced in extensions, renovations, home improvements, patios, fencing, landscaping, carpentry, plastering and general property maintenance. Ex...
From £87,288
Forty years of experience in our local community

Building a granny annexe ranges from £86,480 (Donovan Construction based in PL6) to £87,424 (JAVA CONSTRUCTION LTD based in PL7), 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 Antony by posting a job with HaMuch. We will send it to extension builders in Antony who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Plymouth | £30 | £230 |
| Granny Annexe near St Austell | £38 | £245 |
| Granny Annexe near Newton Abbot | £27 | £236 |
| Granny Annexe near Paignton | £27 | £222 |
| Granny Annexe near Teignbridge | £27 | £260 |
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 - £17,453

Two storey extension - £87,929

Build a timber frame extension - £25,953

Build a swimming pool - £80,953

Single storey extension - £54,056

Side return extension - £40,969

Install an RSJ - £2,153

Outbuilding - £9,953

Build a Mansard loft conversion - £51,953

Loft conversion - £33,308

Build a kitchen extension - £41,953

Hip to gable loft conversion - £41,953

Granny annexe - £86,953

Garden office - £9,953

Convert a Garage - £15,953

Garage - £18,453

Build a flat roof extension - £21,953

Build a dormer loft conversion - £41,953

Concrete foundations - £6,203

Convert a bungalow loft - £28,953

Convert a basement - £36,969