Blown loft insulation in Bangor, Gwynedd
Bangor, Gwynedd is part of the area we cover in Gwynedd. For blown loft insulation, you get a free survey and a fixed written quote.
That includes addresses in LL59 and LL57, inside the Isle of Anglesey council area.

Where we work around Bangor, Gwynedd
Nearby, we also cover Llangefni and Caernarfon.
| Postcode districts | LL59, LL57 |
|---|---|
| Council area | Isle of Anglesey |
| County or area | Gwynedd |
What is blown loft insulation?
The machine stays outside or on the landing and the hose runs up to the loft. We hold a board or tray at the eaves so the loose fill cannot block the ventilation path. More about blown loft insulation.
- Loose-fill mineral wool to the agreed depth
- Hatch area finished with a retaining upstand
- Eaves trays to keep ventilation open
Why book with us in Bangor, Gwynedd
Clear contact details
Your quote says who to call with questions before, during and after the work.
Tidy work
Dust sheets on the route in and every bit of packaging taken away.
Photos of the finished loft
You see the work done without climbing the ladder.
Boarding done properly
Storage boards go on loft legs, never straight onto the insulation.
How much does blown loft insulation cost in Bangor, Gwynedd?
Installing insulation in a home is zero-rated for VAT until 31 March 2027 and 5% after that, under HMRC's rules for energy-saving materials (notice 708/6).
Building regulations in Wales
Wales has its own Approved Document L. Insulation alone is not normally notified, but conversions need building control. How the rules work across the UK.
Questions about blown loft insulation in Bangor, Gwynedd
Do you cover all of LL59?
Yes, we cover the LL59 postcode district and the districts around Bangor, Gwynedd.
Can you visit Bangor, Gwynedd outside working hours?
Ask about early, late or weekend appointments when you get in touch, and we will tell you honestly what we can offer.
What do I need to do before you arrive in Bangor, Gwynedd?
Clear a path to the hatch and, if you can, move stored items away from the area we will be working in. Tell us about anything heavy or fragile.
Is it messy?
The hose runs through the house, so we sheet the route and the landing. The fibre stays in the loft.
Does blown insulation settle?
Mineral wool loose fill settles a little, which is allowed for in the depth we install. The depth markers let you check it later.
