Loft InsulationInstallers

Loft ventilation in County Down

We provide loft ventilation across County Down, with a free survey and a fixed written quote.

We work in Bangor (County Down), Newtownards, Newry, Banbridge and Downpatrick and everywhere in between.

Guide price £245 to £695 County Down
Eaves ventilation trays in a loft

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.

Postcodes starting BT are all inside our area.

CouncilsArds and North Down, Armagh City, Banbridge and Craigavon, Lisburn and Castlereagh and Newry, Mourne and Down
Postcode areasBT
Towns listed6

What is loft ventilation?

Most pitched roofs are ventilated at the eaves, sometimes with high-level vents as well. Insulation pushed into the eaves can block that path, which is why we fit ventilation trays. More about loft ventilation.

  • A note of air leaks from the house that need sealing
  • Soffit, tile or ridge vents as specified
  • Eaves trays where insulation could block airflow

Why book with us in County Down

Clear contact details

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

No pressure selling

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

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 loft ventilation cost in County Down?

£245 to £695Eaves or tile vents for a typical house. Free survey and a fixed written quote before any work.

This work is not an energy-saving material for VAT, so it is standard-rated if VAT applies. Where it is done alongside insulation, the quote shows each part separately.

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 loft ventilation in County Down

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.

Can you quote for several properties in County Down?

Yes. Landlords and agents can send a list of addresses and we will survey them in as few visits as we can.

My bathroom fan vents into the loft. Is that a problem?

Yes. It pumps warm, wet air straight into the coldest part of the house. The duct should run to outside through a vent tile, soffit or wall.

Does my loft need ventilation after insulation?

A cold loft needs a path for outside air, usually at the eaves. New insulation must not block it, which is why we fit eaves trays.

Loft ventilation in other towns

Other loft work in County Down

Find out what your loft needs

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