Loft insulation for flats in Gelligaer
Gelligaer is part of the area we cover in Gwent. For loft insulation for a flat, you get a free survey and a fixed written quote.
We cover the CF82, CF81 and NP12 postcode districts, in the Caerphilly council area.

Where we work around Gelligaer
Gelligaer sits about 12 miles from Newport (Gwent), measured in a straight line.
Nearby, we also cover Blackwood, Caerphilly, Tredegar and Risca.
| Postcode districts | CF82, CF81, NP12 |
|---|---|
| Council area | Caerphilly |
| County or area | Gwent |
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 Gelligaer
Downlights made safe
Fire-rated covers or a clear zone around recessed lights.
Tank and pipes protected
Every insulation job includes a tank jacket and pipe lagging, so nothing freezes in a colder loft.
Eaves kept clear
Insulation is held back from the eaves so the loft can still ventilate.
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 Gelligaer?
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 Gelligaer
How do I pay for work in Gelligaer?
Payment terms are set out on your quote. We never ask for payment on the doorstep or in cash.
Is loft work in Gelligaer different from anywhere else?
The method is the same, but older terraces, cottages and newer estates each have their own quirks: lath ceilings, low pitches or trussed roofs. We plan for the loft we find.
Do you cover all of CF82?
Yes, we cover the CF82 postcode district and the districts around Gelligaer.
Is there VAT on loft insulation in flats?
Flats are residential, so installing insulation is zero-rated until 31 March 2027.
Can I insulate the loft above my flat?
Usually yes, with the freeholder's consent. The lease will say who owns and maintains the roof space.
