From £86,800
Need an Extension Builder in Betws-y-coed? Chris's Roofing & Property Maintenance has been helping local clients (20 mile radius) with their extens...
From £86,576
, LL28
Relax... you have found a reliable extension builder in Betws-y-coed. UK Leisure Living Ltd is a friendly and reliable company based in Betws-y-coe...
From £86,456
S ROBERTS ROOFING are here to help customers who need an Extension Builder in Betws-y-coed. We offer a competitive rate to complete all your extens...
From £86,728
Need to find an Extension Builder near you for all your extension buildering work?
W F CLAYTON & CO LTD provides a local, trusted extension...
From £86,720
Need an Extension Builder in Betws-y-coed? Hughes Construction has been helping local clients (20 mile radius) with their extension buildering jobs...
From £86,256
Building & Flat Roofing Contractors is a trusted extension builder serving customers in Betws-y-coed and the surrounding area. Contact us to today ...

Building a granny annexe ranges from £86,256 (Building & Flat Roofing Contractors based in LL54) to £86,800 (Chris's Roofing & Property Maintenance based in LL31), 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 Betws-y-coed by posting a job with HaMuch. We will send it to extension builders in Betws-y-coed who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Conwy | £28 | £211 |
| Granny Annexe near Conway | £28 | £211 |
| Granny Annexe near Colwyn Bay | £28 | £211 |
| Granny Annexe near Llandudno | £28 | £211 |
| Granny Annexe near Rhyl | £28 | £209 |
| Granny Annexe near Prestatyn | £29 | £213 |
| Granny Annexe near Flintshire | £33 | £224 |
| Granny Annexe near Heswall | £30 | £213 |
| Granny Annexe near Wirral | £31 | £219 |
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 - £17,089

Two storey extension - £87,384

Build a timber frame extension - £25,589

Build a swimming pool - £80,589

Single storey extension - £46,787

Side return extension - £36,880

Install an RSJ - £1,789

Outbuilding - £9,589

Build a Mansard loft conversion - £51,589

Loft conversion - £29,900

Build a kitchen extension - £41,589

Hip to gable loft conversion - £41,589

Granny annexe - £86,589

Garden office - £9,589

Convert a Garage - £15,589

Garage - £18,089

Build a flat roof extension - £21,589

Build a dormer loft conversion - £41,589

Concrete foundations - £5,839

Convert a bungalow loft - £28,589

Convert a basement - £32,880