Loft InsulationInstallers

Commercial roof void insulation in Cardiff

Cardiff is inside the area we cover in South Glamorgan. For roof void insulation for a commercial building we provide a site survey and RAMS before any work starts.

Jobs in CF10, CF11 and CF24 are all within our normal area. The local authority is Cardiff.

Guide price £9 to £18 per m², before any VAT Cardiff, South Glamorgan
A large roof void above a commercial ceiling

Where we work around Cardiff

Nearby, we also cover Penarth, Trowbridge (South Glamorgan), Barry and Cowbridge.

Postcode districtsCF10, CF11, CF24, CF5
Council areaCardiff
County or areaSouth Glamorgan

What is roof void insulation?

We start with access and safety: a walkway, lighting and the risk assessment for working in a large void, plus any asbestos register for the building. We work to your site rules and produce RAMS before starting. More about roof void insulation for a commercial building.

  • RAMS and site induction
  • Phased or out-of-hours working
  • Photo record and completion note

Why book with us in Cardiff

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.

RAMS before we start

Risk assessments and method statements are agreed before anyone goes into the void.

Clear contact details

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

Tidy work

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

How much does roof void insulation for a commercial building cost in Cardiff?

£9 to £18 per m², before any VATPer m² of roof void, before any VAT; access equipment extra. Fixed price after a site survey. Access equipment and out-of-hours work are priced separately.

Commercial guide prices are shown before any VAT. Commercial work is standard-rated if VAT is charged; the zero rate for insulation applies to homes and some charity buildings.

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 roof void insulation for a commercial building in Cardiff

How soon can you visit a building in Cardiff?

We call you back to agree a time that suits you, and confirm the date in writing. Availability changes week to week, so we will give you the earliest slot we have.

Do you take on jobs outside Cardiff?

Yes. We also work in Penarth and Trowbridge (South Glamorgan) and elsewhere in South Glamorgan.

Do you charge extra to travel to Cardiff?

Not normally. Our guide prices include normal travel to Cardiff. If an address needs a ferry or an unusually long journey, we tell you the cost before you book.

Can you insulate while the building is in use?

Usually, by working in phases or out of hours and keeping the void hatch zones controlled.

Do you need an asbestos survey first?

For any building built before 2000, we need the asbestos register or a survey of the areas we will work in.

Commercial roof void insulation in other towns

Other loft work in Cardiff

Find out what your loft needs

Free survey and a fixed written quote for installation work. Guide prices first if you prefer.