Loft insulation top-up in County Down

Where we work around County Down

We work across the Ards and North Down, Armagh City, Banbridge and Craigavon, Lisburn and Castlereagh and Newry, Mourne and Down council areas.

That covers the BT postcode areas.

Councils	Ards and North Down, Armagh City, Banbridge and Craigavon, Lisburn and Castlereagh and Newry, Mourne and Down
Postcode areas	BT
Towns listed	6

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 wet, dirty, matted or full of droppings, laying fresh wool on top just buries the problem, so we say so and price removal instead. More about a loft insulation top-up.

Gaps in the existing layer filled
Eaves ventilation kept clear
Depth check and photos before and after

Why book with us in County Down

Tidy work

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

Photos of the finished loft

You see the work done without climbing the ladder.

We measure before we quote

Existing depth, joist spacing, wiring and the tank are checked, not guessed.

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 a loft insulation top-up cost in County Down?

£395 to £545Terraced house, average loft, topping up from about 100 mm. Free survey and a fixed written quote before any work.

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). The Energy Saving Trust puts a typical professionally installed loft in Northern Ireland at about £1,100 from bare joists, or £700 to top up from 120 mm.

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.

Funding in Northern Ireland

The Affordable Warmth Scheme, delivered by the Northern Ireland Housing Executive, helps owner-occupiers and private tenants with a household income under £23,000. Apply through the Northern Ireland Energy Advice Service and check it is open.
The Northern Ireland Sustainable Energy Programme (NISEP) funds energy efficiency measures for eligible households.
ECO and the Warm Homes Plan do not apply in Northern Ireland.

Housing Executive: Affordable Warmth Scheme

Questions about a loft insulation top-up in County Down

Which council covers my address in County Down?

Councils in County Down include Ards and North Down, Armagh City, Banbridge and Craigavon, Lisburn and Castlereagh and Newry, Mourne and Down. Your council matters for building control questions and some funding schemes.

How do I book a survey in County Down?

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

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.