From £86,792
Shane Griffiths & Son Ltd is a trusted extension builder serving customers in New Quay and the surrounding area. Contact us to today to get a compe...
From £86,296
Hi my name is Deri
I'm a friendly and reliable and have over 20 yes experience in the building trade. And also come from a family backgr...
From £86,712
Chartered construction manager with thirty five years in the construction industry. High standards of workmanship, customer focused. Honest, reliab...
From £86,432
Relax... you have found a reliable extension builder in New Quay. Norton Construction is a friendly and reliable company based in New Quay who cons...
From £86,608
Our building services company SP Coupland Ltd have thirty-eight years’ experience and have been helping customers in Sir Ceredigion and the surro...

Building a granny annexe ranges from £86,296 (DERI BROWN T/A D Brown Building Services based in SA44) to £86,792 (Shane Griffiths & Son Ltd based in SA44), 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 New Quay by posting a job with HaMuch. We will send it to extension builders in New Quay who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Carmarthenshire | £26 | £205 |
| Granny Annexe near Carmarthen | £26 | £205 |
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 - £17,068

Two storey extension - £87,352

Build a timber frame extension - £25,568

Build a swimming pool - £80,568

Single storey extension - £46,360

Side return extension - £36,640

Install an RSJ - £1,768

Outbuilding - £9,568

Build a Mansard loft conversion - £51,568

Loft conversion - £29,700

Build a kitchen extension - £41,568

Hip to gable loft conversion - £41,568

Granny annexe - £86,568

Garden office - £9,568

Convert a Garage - £15,568

Garage - £18,068

Build a flat roof extension - £21,568

Build a dormer loft conversion - £41,568

Concrete foundations - £5,818

Convert a bungalow loft - £28,568

Convert a basement - £32,640