Underfloor heating in Caerphilly

Postcode districts: CF15, CF83
Nearby: Risca, Pontypridd and Gelligaer
Guide price: £650–£2,300
Typical time on site: 1–2 working days (added to a fit)
Water: Varies across Gwent
Survey: Free, at your home

What does bathroom underfloor heating cost in Caerphilly?

As a guide, budget £650 to £2,300 including VAT for bathroom underfloor heating in Caerphilly; your written quote will pin it down. Prices in Wales run at about 7% below the national guide, mainly because of labour rates. The figure depends on the size of the room, whether anything moves, and the products you pick.

Typical

Electric mat

£650–£1,400

Mat under the tiles

Electric, larger room

£1,100–£2,000

Programmable smart thermostat

Wet system

£1,400–£2,800

Screed or low-profile boards

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

Working in Caerphilly

As well as Caerphilly itself (CF15 and CF83), we survey in Risca, Pontypridd and Gelligaer.

In Caerphilly, as anywhere, the age of the house decides a lot: pipe sizes, floor construction and where the soil stack runs. For Caerphilly homes having the bathroom floor replaced, underfloor heating adds one to two days to the fit. If your Caerphilly home has a suspended timber floor, insulation boards under the mat stop heat disappearing into the void below.

Hardness differs from one part of Gwent to the next. Mid-tone grout and matt tiles hide the odd water mark better than dark grout and high gloss. 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 floor sensor set between the heating runs and wired back to the thermostat
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

Decisions to make first

Mat or loose cable

Mats are quickest on square, open floors. Loose cable is easier to route around awkward shapes, pipe boxing and a curved shower area.

Floor heating and towel rail

Underfloor heating warms the room; a towel rail dries towels. Many bathrooms have both, and a dual-fuel rail keeps working in summer when the boiler is off.

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 Caerphilly: questions

How much does bathroom underfloor heating cost in Caerphilly?

Bathroom underfloor heating in Caerphilly usually costs £650–£2,300 including VAT. Room size, layout changes and your choice of products move the figure within that range. The free survey gives you an itemised quote, fixed in writing once the details are agreed.

Who handles building control for bathroom underfloor heating in Caerphilly?

Building control for Caerphilly is handled by the local council or an approved inspector. If your job needs sign-off — for example a new circuit, new drainage or a new extractor where there was none — we tell you at the survey and handle the notification as part of the work.

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 Caerphilly.

Is the home survey in Caerphilly 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.

Can underfloor heating go under vinyl or LVT?

Yes, with a compatible system and floor. Most vinyl and LVT makers set a maximum floor temperature, often lower than for tiles, so the thermostat's floor sensor is set to that limit. Tiles and stone remain the most efficient finish over underfloor heating.