A granny annexe is the ideal solution for offering a young family member their own space in your home while they save up for their own house, or to help an older relative have some independence while keeping them at a safe distance. But how much do they cost to build in Pentraeth?
Building a granny annexe ranges from £86,080 (Building & Flat Roofing Contractors based in LL54) to £87,000 (G & D Jones Ltd based in LL22), 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 Pentraeth by posting a job with HaMuch. We will send it to extension builders in Pentraeth who will be happy to help you.

| Business name | Granny annexe cost |
|---|---|
| Property Maintenance Solutions, Benllech , LL74 | £86,280 |
| Hughes Construction, Bangor, LL57 | £86,336 |
| Balmoral joinery/construction , Gaerwen gwynedd , LL60 | £86,344 |
| W F CLAYTON & CO LTD, Bangor, LL57 | £86,600 |
| Glyndwr Roofing & Building Services, Holyhead, LL65 | £86,320 |
| Building & Flat Roofing Contractors, Caernarfon, LL54 | £86,080 |
| UK Leisure Living Ltd, Unit 8, The Old Creamery, Station Road, , LL28 | £86,384 |
| G & D Jones Ltd, Abergele, LL22 | £87,000 |
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Conwy | £26 | £212 |
| Granny Annexe near Conway | £22 | £173 |
| Granny Annexe near Llandudno | £22 | £173 |
| Granny Annexe near Colwyn Bay | £26 | £212 |