Loft insulation top-up in Shaftesbury
If you need a loft insulation top-up in Shaftesbury, we can help, and it starts with a free survey and a fixed written quote.
We cover postcodes including SP7, in the Dorset council area.

Where we work around Shaftesbury
Shaftesbury sits about 24 miles from Bournemouth, measured in a straight line.
Further afield, we also cover Wimborne Minster, Ferndown, Poole and Dorchester.
| Postcode districts | SP7 |
|---|---|
| Council area | Dorset |
| County or area | Dorset |
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.
- Eaves ventilation kept clear
- Gaps in the existing layer filled
- Depth check and photos before and after
Why book with us in Shaftesbury
Tank and pipes protected
Every insulation job includes a tank jacket and pipe lagging, so nothing freezes in a colder loft.
Honest about grants
If you might qualify for funding, we tell you before we quote.
We measure before we quote
Existing depth, joist spacing, wiring and the tank are checked, not guessed.
Clear contact details
Your quote says who to call with questions before, during and after the work.
How much does a loft insulation top-up cost in Shaftesbury?
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 Shaftesbury
Do you cover all of SP7?
Yes, we cover the SP7 postcode district and the districts around Shaftesbury.
Can you visit Shaftesbury 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 Shaftesbury?
Yes. We also work in Wimborne Minster and Ferndown and elsewhere in Dorset.
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 Shaftesbury
- Loft insulation in Shaftesbury From £495
- Loft insulation removal in Shaftesbury From £445
- Loft boarding in Shaftesbury From £695
- Loft insulation survey in Shaftesbury From £95
- Loft ventilation in Shaftesbury From £245
- Pipe and tank lagging in Shaftesbury From £95
- Spray foam removal in Shaftesbury From £1,495
