Loft insulation for flats in Hertfordshire
For loft insulation for a flat anywhere in Hertfordshire, you get a free survey and a fixed written quote.
We work in Watford, Hemel Hempstead, Stevenage, St Albans and Welwyn Garden City and everywhere in between.

Where we work around Hertfordshire
We work across the Hertfordshire council area.
Postcode areas: AL, CM, EN, HP, SG and WD.
| Councils | Hertfordshire |
|---|---|
| Postcode areas | AL, CM, EN, HP, SG, WD |
| Towns listed | 18 |
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.
- Fire compartment walls left intact
- Photos and a completion note for the managing agent or factor
- Single-flat or whole-block quotes
Why book with us in Hertfordshire
Photos of the finished loft
You see the work done without climbing the ladder.
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.
Downlights made safe
Fire-rated covers or a clear zone around recessed lights.
We measure before we quote
Existing depth, joist spacing, wiring and the tank are checked, not guessed.
How much does loft insulation for a flat cost in Hertfordshire?
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 England
In England, a loft insulated across more than half its area should reach a U-value of 0.16 W/m²K. Insulation alone is not usually notified to building control. How the rules work across the UK.
Funding in England
- ECO4, the energy supplier scheme, runs until 31 December 2026 for eligible households, with no supplier scheme to follow it.
- The Great British Insulation Scheme closed on 31 March 2026.
- The Warm Homes Plan, announced in January 2026, funds upgrades for low-income households, including through councils under Warm Homes: Local Grant.
- Check what is open for your address on GOV.UK before agreeing to any funded offer.
GOV.UK: find ways to save energy in your home
Rented homes
Privately rented homes in England must have an EPC rating of at least E, and the government has confirmed that all tenancies in scope must reach band C by 1 October 2030, measured with updated EPC metrics.
Questions about loft insulation for a flat in Hertfordshire
Do you cover the whole of Hertfordshire?
Yes. We cover every town and village in Hertfordshire, including Watford, Hemel Hempstead and Stevenage.
How do I book a survey in Hertfordshire?
Send the form or call us. We call back to agree a time and confirm it in writing.
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.
