Loft InsulationInstallers

Pipe and tank lagging in Derry/Londonderry

Derry/Londonderry is part of the area we cover in County Londonderry. For pipe and tank lagging, you get a free fixed quote, often from a couple of photos.

Postcode districts we cover here include BT48, which fall under Derry City and Strabane council.

Guide price £95 to £195 Derry/Londonderry, County Londonderry
A lagged cold water tank and pipes in a loft

Where we work around Derry/Londonderry

We work in neighbouring Limavady too.

Postcode districtsBT48
Council areaDerry City and Strabane
County or areaCounty Londonderry

What is pipe and tank lagging?

We fit a jacket to the top and sides of each tank and foam lagging to every exposed pipe, taped at the joints and bends. Overflow pipes and any condensate pipes in the loft are included. More about pipe and tank lagging.

  • Ceiling under the tank left clear
  • Foam pipe lagging, taped
  • Tank jacket and close-fitting lid

Why book with us in Derry/Londonderry

No pressure selling

You get everything in writing and decide in your own time.

Photos of the finished loft

You see the work done without climbing the ladder.

Plain-English advice

We explain what we find in plain English, and say so when nothing needs doing.

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.

How much does pipe and tank lagging cost in Derry/Londonderry?

£95 to £195Tank jacket and pipe lagging, typical loft. Free fixed quote, often from a couple of photos.

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).

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 pipe and tank lagging in Derry/Londonderry

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 cover all of BT48?

Yes, we cover the BT48 postcode district and the districts around Derry/Londonderry.

Can a landlord in Derry/Londonderry book work for a tenanted house?

Yes. We can arrange access with the tenant directly and send you photos once the work is finished.

Should I insulate under the water tank in the loft?

No. Leave the ceiling directly under the tank uninsulated so a little warmth from the house reaches it. Insulate the top and sides instead.

Is pipe lagging included with loft insulation?

Yes. A tank jacket and pipe lagging in the loft are included in every loft insulation and top-up price. If you only need lagging, it is priced on its own.

Pipe and tank lagging in other towns

Other loft work in Derry/Londonderry

Find out what your loft needs

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