Commercial roof void insulation in Derry/Londonderry

Where we work around Derry/Londonderry

We work in neighbouring Limavady too.

Postcode districts	BT48
Council area	Derry City and Strabane
County or area	County Londonderry

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. Insulation is laid on the ceiling or between ceiling joists, with services, light fittings and fire compartment lines kept clear. More about roof void insulation for a commercial building.

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

Why book with us in Derry/Londonderry

RAMS before we start

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

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.

Phased to suit the building

Work is planned around opening hours, with out-of-hours working priced up front.

How much does roof void insulation for a commercial building cost in Derry/Londonderry?

£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 Northern Ireland

Northern Ireland has its own Building Regulations, with energy guidance in Technical Booklet F1. Upgrading loft insulation may count as a thermal alteration, so check with your council's building control. How the rules work across the UK.

Questions about roof void insulation for a commercial building in Derry/Londonderry

Do you charge extra to travel to Derry/Londonderry?

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

How do I pay for work in Derry/Londonderry?

Payment terms are set out on your quote. We never ask for payment on the doorstep or in cash.

Do you take on jobs outside Derry/Londonderry?

Yes. We also work in Limavady and Dungiven and elsewhere in County Londonderry.

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.

Is VAT charged on commercial insulation?

If VAT is charged, it is at the standard rate. The zero rate applies to homes and certain charity buildings. Our commercial guide prices are shown before any VAT.