Loft insulation top-up in Trowbridge, Wiltshire
We fit a loft insulation top-up for homes in Trowbridge, Wiltshire and across Wiltshire, starting with a free survey and a fixed written quote.
We cover postcodes including BA14 and BA15, in the Wiltshire council area.

Where we work around Trowbridge, Wiltshire
Trowbridge, Wiltshire is about 25 miles from Swindon as the crow flies.
Other towns close by include Westbury, Melksham, Warminster and Devizes.
| Postcode districts | BA14, BA15 |
|---|---|
| Council area | Wiltshire |
| County or area | Wiltshire |
What is a loft insulation top-up?
Before we quote we measure the existing layer in several places and check its condition. If it is dry, even and not contaminated, we keep it and lay the top-up across it at right angles. More about a loft insulation top-up.
- Tank jacket and pipe lagging in the loft
- Eaves ventilation kept clear
- Cross layer to a total of 270 to 300 mm
Why book with us in Trowbridge, Wiltshire
Clear contact details
Your quote says who to call with questions before, during and after the work.
Plain-English advice
We explain what we find in plain English, and say so when nothing needs doing.
Photos of the finished loft
You see the work done without climbing the ladder.
We measure before we quote
Existing depth, joist spacing, wiring and the tank are checked, not guessed.
How much does a loft insulation top-up cost in Trowbridge, Wiltshire?
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.
Questions about a loft insulation top-up in Trowbridge, Wiltshire
Do you cover all of BA14?
Yes, we cover the BA14 postcode district and the districts around Trowbridge, Wiltshire.
Can you visit Trowbridge, Wiltshire 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 charge extra to travel to Trowbridge, Wiltshire?
Not normally. Our guide prices include normal travel to Trowbridge, Wiltshire. If an address needs a ferry or an unusually long journey, we tell you the cost before you book.
Which way should the top-up layer run?
Across the joists, at right angles to the first layer. That covers the tops of the joists, which otherwise let heat escape along the timber.
Can new insulation go on top of old insulation?
Yes, if the old layer is dry, clean and reasonably even. If it is damp, contaminated or badly compressed we recommend removing it first.
Loft insulation top-up in other towns
Other loft work in Trowbridge, Wiltshire
- Loft insulation in Trowbridge, Wiltshire From £495
- Loft insulation removal in Trowbridge, Wiltshire From £445
- Loft boarding in Trowbridge, Wiltshire From £695
- Loft insulation survey in Trowbridge, Wiltshire From £95
- Commercial roof void insulation in Trowbridge, Wiltshire From £9 per m²
- Period home loft insulation in Trowbridge, Wiltshire From £995
- Loft condensation investigation in Trowbridge, Wiltshire From £145
