Underfloor heating in Lisburn

Postcode districts: BT17, BT26, BT27, BT28
Nearby: Belfast, Castlereagh and Newtownabbey
Guide price: £600–£2,200
Typical time on site: 1–2 working days (added to a fit)
Water: Soft across most of County Antrim
Survey: Free, at your home

What does bathroom underfloor heating cost in Lisburn?

For Lisburn, our guide range for bathroom underfloor heating is £600 to £2,200 including VAT. Labour costs in Northern Ireland put local prices at about 12% below the UK guide figure. The figure depends on the size of the room, whether anything moves, and the products you pick.

Typical

Electric mat

£600–£1,300

Thermostat and RCD-protected supply

Electric, larger room

£1,050–£1,950

Whole floor coverage

Wet system

£1,300–£2,600

Manifold or single-zone kit

Guide prices for Lisburn including VAT. Your itemised written quote after the free survey is the price that counts.

Working in Lisburn

We cover every part of Lisburn, including BT17, BT26, BT27 and 1 more postcode districts, and nearby Belfast (6.7 miles) and Castlereagh (7 miles).

In a city the size of Lisburn, parking and access for a skip are worth sorting before the start date — we will ask at the survey. If your Lisburn bathroom has a cold tiled floor and no room for a bigger radiator, an electric mat under new tiles is the simplest answer. We check door thresholds in Lisburn homes at the survey, because underfloor heating and new tiles raise the floor slightly.

Water across much of County Antrim is soft. Soft water is kind to grout, so mid-tone and darker grouts stay looking fresh. Hardness varies street by street, so check the figure for your postcode with your water supplier.

What the job includes

For wet systems, pipes in low-profile boards or screed connected to a manifold or single-zone kit, with any boiler work done by a Gas Safe registered engineer
A dial, programmable or smart thermostat, with the supply RCD protected, tested and certified by a qualified electrician
A check of the floor construction, the room's heat loss and where the thermostat and supply will go
Resistance and insulation tests on the mat before, during and after tiling, with the readings recorded

Decisions to make first

Insulation board thickness

Thicker boards warm up faster and lose less heat downwards, but raise the floor; the right choice depends on the door threshold and the next room.

Thermostat

A simple dial thermostat, a programmable one with set times, or a smart thermostat you can control from your phone.

Rules that apply in Northern Ireland

Northern Ireland has no Part P, but the heating circuit should be designed, tested and certified to BS 7671, with RCD protection. Building control is not usually involved unless drainage or structural work is being done alongside it.

More about underfloor heating

Underfloor heating in Lisburn: questions

How much does bathroom underfloor heating cost in Lisburn?

Bathroom underfloor heating in Lisburn usually costs £600–£2,200 including VAT. Expect the lower end for a like-for-like job with standard products, and the upper end if things move or you choose premium finishes. Your quote is itemised and fixed in writing once agreed.

How long does bathroom underfloor heating take?

Allow 1–2 working days (added to a fit) on site for most jobs, plus the lead time for products after you approve the quote. We give you a day-by-day plan before work starts in Lisburn.

Is the home survey in Lisburn really free?

Yes. We visit, measure the room, check the pipework, drainage and electrics, and talk through what you want. You then get a written, itemised quote with no obligation to go ahead.

Do you cover BT17 in Lisburn?

Yes. We cover all of Lisburn, including BT17, BT26, BT27 and BT28, and nearby Belfast, Castlereagh and Newtownabbey. Survey visits are free and arranged at a time that suits you.

Can underfloor heating go under a bath or shower tray?

No. Electric underfloor heating must not be laid under baths, shower trays, WCs or fixed furniture, because trapped heat can damage the cable and the item above it. It covers the open floor you stand on, and in a wet room it can run under the tiled shower area.