Loft insulation for flats in Llantwit Major
Homes in Llantwit Major get the same service as everywhere else we work in South Glamorgan. For loft insulation for a flat, that means a free survey and a fixed written quote.
Postcode districts we cover here include CF61, inside the Vale of Glamorgan council area.

Where we work around Llantwit Major
Llantwit Major sits about 14 miles from Cardiff, measured in a straight line.
Nearby, we also cover Cowbridge, Barry, Penarth and Cardiff.
| Postcode districts | CF61 |
|---|---|
| Council area | Vale of Glamorgan |
| County or area | South Glamorgan |
What is different about insulating a flat's loft?
In most leasehold flats the loft belongs to the freeholder, so the managing agent or freeholder must agree to the work. Shared lofts usually have fire separation between flats that must not be disturbed. More about loft insulation for a flat.
- Photos and a completion note for the managing agent or factor
- Fire compartment walls left intact
- Single-flat or whole-block quotes
Why book with us in Llantwit Major
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.
No pressure selling
You get everything in writing and decide in your own time.
Fixed written price
The price on the quote is the price you pay. It only changes if you change the job, or if we find something hidden, such as rot, and you agree the change in writing first.
How much does loft insulation for a flat cost in Llantwit Major?
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.
Rented homes
Privately rented homes in Wales fall under the same minimum energy efficiency rules as England: at least band E now, rising to band C for all tenancies in scope by 1 October 2030.
Questions about loft insulation for a flat in Llantwit Major
What do I need to do before you arrive in Llantwit Major?
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.
Can you visit Llantwit Major 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.
Do you take on jobs outside Llantwit Major?
Yes. We also work in Cowbridge and Barry and elsewhere in South Glamorgan.
Is there VAT on loft insulation in flats?
Flats are residential, so installing insulation is zero-rated until 31 March 2027.
Who pays for loft insulation in a block of flats?
If the loft is common parts, the freeholder usually arranges it and recovers the cost through the service charge, according to the lease.
