Underfloor heating in Gorseinon

Postcode districts: SA4
Nearby: Llanelli, Swansea and Clydach
Guide price: £650–£2,300
Typical time on site: 1–2 working days (added to a fit)
Water: Soft across most of West Glamorgan
Survey: Free, at your home

What does bathroom underfloor heating cost in Gorseinon?

Our guide price for bathroom underfloor heating in Gorseinon is £650–£2,300 including VAT. We adjust the national guide for Wales, where prices are typically about 7% below the UK average. The figure depends on the size of the room, whether anything moves, and the products you pick.

Typical

Electric mat

£650–£1,400

Thermostat and RCD-protected supply

Electric, larger room

£1,100–£2,000

Whole floor coverage

Wet system

£1,400–£2,800

Manifold or single-zone kit

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

Working in Gorseinon

We cover every part of Gorseinon, including SA4, and nearby Llanelli (5.2 miles) and Swansea (5.4 miles).

Gorseinon gets the same process as anywhere else: a free survey at your home and a written, itemised quote. Where a Gorseinon home already has a heat pump, or the heating is being altered, a wet underfloor system is worth comparing with electric. We check door thresholds in Gorseinon homes at the survey, because underfloor heating and new tiles raise the floor slightly.

Supplies across most of West Glamorgan are 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

Resistance and insulation tests on the mat before, during and after tiling, with the readings recorded
A dial, programmable or smart thermostat, with the supply RCD protected, tested and certified by a qualified electrician
The electric mat or cable laid to the open floor, kept clear of where the WC, bath and fixed furniture will sit
Insulation boards over the subfloor, so heat goes up into the tiles rather than down into the joists or screed

Decisions to make first

Electric or wet

Electric is cheaper to install and quick to lay in one room. Wet costs more upfront but is usually cheaper to run where it is fed by a gas boiler or heat pump.

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.

Rules that apply in Wales

In Wales, the Welsh Part P also makes a new underfloor heating circuit notifiable, and it covers more bathroom electrical work than the English version. A registered electrician handles the notification.

More about underfloor heating

Underfloor heating in Gorseinon: questions

How much does bathroom underfloor heating cost in Gorseinon?

Bathroom underfloor heating in Gorseinon usually costs £650–£2,300 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.

Is the home survey in Gorseinon 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 SA4 in Gorseinon?

Yes. We cover all of Gorseinon, including SA4, and nearby Llanelli, Swansea and Clydach. Survey visits are free and arranged at a time that suits you.

Is the water hard in Gorseinon?

Is underfloor heating enough to heat a bathroom on its own?

In a well-insulated bathroom with most of the floor open, it often is. In a small room, the bath, WC and furniture cover much of the floor, so the heated area may be too small to be the only heat source. A heated towel rail alongside is the usual answer.