New-build loft insulation in South Glamorgan

We provide trade loft insulation across South Glamorgan, with per-plot pricing to your specification.

That includes Cardiff, Barry, Penarth, Cowbridge and Llantwit Major, and the villages around them.

Trade price £5 to £9 per m², before any VAT South Glamorgan

Where we work around South Glamorgan

Council areas covered: Cardiff and Vale of Glamorgan.

Postcode areas: CF.

Councils	Cardiff and Vale of Glamorgan
Postcode areas	CF
Towns listed	6

How does trade loft insulation work?

For new dwellings and extensions, the insulation has to match the design that achieved compliance, so we work from your SAP or U-value calculation and the specified product. We can install between and over the ceiling ties, fit eaves ventilation trays and loft hatches, and leave a boarded access route to services. More about trade loft insulation.

Eaves trays and hatch upstands
Photo evidence for building control
Supply and fit to your specification

Why book with us in South Glamorgan

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.

Tidy work

Dust sheets on the route in and every bit of packaging taken away.

Clear contact details

Your quote says who to call with questions before, during and after the work.

Photo evidence

Each stage is photographed against the specification for building control.

How much does trade loft insulation cost in South Glamorgan?

£5 to £9 per m², before any VATPer m², supply and fit, before any VAT. Priced per plot to your specification.

Trade prices are shown before any VAT. Work on new dwellings is normally zero-rated; extensions and refurbishment are normally standard-rated, and the construction reverse charge may apply. Each quote shows the VAT treatment.

Work out a guide price for your loft

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.

Questions about trade loft insulation in South Glamorgan

Which council covers my address in South Glamorgan?

Councils in South Glamorgan include Cardiff and Vale of Glamorgan. Your council matters for building control questions and some funding schemes.

How do I book a survey in South Glamorgan?

Send the form or call us. We call back to agree a time and confirm it in writing.

Can you provide photos for building control?

Yes. Every stage is photographed, and depth is recorded against the specification.

Do you work as a subcontractor?

Yes. We quote per plot or per job and work to your programme and site rules.