Underfloor Heating

A warm floor underfoot makes a real difference on a cold morning, and this is where you’ll find the underfloor heating to make it happen, with under tile heating from Warmup and Rise alongside the insulating boards and thermostats that go with it.

The underfloor heating sits out of sight beneath your tiles, so there are no radiators taking up wall space, and it includes options that can be fitted in bathrooms, kitchens, hallways and living rooms, under ceramic, natural stone and porcelain tiles around your home.

Browse the full underfloor heating range online with free delivery on orders over £349, or pop into your local Topps Tiles store and talk it through with the team.

Rise Underfloor Heating

Warmup Underfloor Heating

Underfloor Heating

Tiles can feel cold to the touch, and underfloor heating changes that by warming the room from the floor up, spreading the heat evenly across the space so there are no chilly corners. With the heating hidden away beneath your tiles, there are no radiators taking up wall space and no pipework to work around, which leaves you free to plan the room the way you want it. In a bathroom, that might mean more room for a vanity unit or a walk-in shower, and in a kitchen or hallway it simply means a warm, comfortable floor underfoot, with porcelain floor tiles and natural stone tiles both making a great match.

Electric underfloor heating is a practical choice when you're renovating, as it goes down at the same time as your new tiles and connects to your mains supply, so there's no plumbing involved. Heating mats roll out quickly across larger, open rooms, and loose cable can be laid around baths, toilets and other fixtures in smaller or more awkward spaces. You can use it as your main source of heat or alongside your radiators, and with a thermostat in each room, you can heat each space to its own temperature at the times that suit you. Our range brings together systems from Warmup and Rise, and our guide to tiling over underfloor heating explains how to prepare the floor.

What Do I Need For An Underfloor Heating System? ▾

A complete system is made up of a heating mat or cable, insulation boards to lay underneath it and a thermostat to control it. You'll also need a qualified electrician to connect the wiring and thermostat.

Can I Install Underfloor Heating Myself? ▾

You can lay the heating mats or cable yourself if you're a competent DIYer, but all the wiring and the thermostat must be connected by a qualified electrician. Measure carefully before you buy, as the heating cable can't be cut to fit.

Which Floor Tiles Can I Use With Underfloor Heating? ▾

Most porcelain, ceramic and natural stone floor tiles can be used with electric underfloor heating, and you can check each tile's product page to confirm. Use a flexible tile adhesive and flexible grout, as the floor expands and contracts slightly as it heats up and cools down.

Can Underfloor Heating Go Under LVT, Laminate Or Wood Flooring? ▾

Some flooring can go over underfloor heating, but it depends on the product, so always check the product details first. Our SPC flooring and real wood veneer flooring both work with electric underfloor heating, as long as there's at least 20mm of screed over the heating and the floor surface stays at or below 27°C. Our laminate flooring designs all suit water-based systems and some also suit electric, and our engineered wood flooring suits both.

Do I Need Insulation Boards With Underfloor Heating? ▾

Insulation boards are recommended with our underfloor heating, as they stop heat being lost into the subfloor so your floor warms up faster. On a concrete floor, it can take 30 minutes to an hour to warm up with insulation boards, against two to eight hours without.

How Much Does Underfloor Heating Cost To Run? ▾

The running cost depends on the size of the heated area, the system's output, how long it's on and your electricity rate. To work out a rough figure, multiply the heated area by the output per m² to get the power in watts. For example, a 4m² mat at 150W per m² uses 600W, so one hour at full power uses 0.6kWh, which you can multiply by the unit rate on your bill. In practice, the thermostat switches the heating on and off once the floor is warm, so it won't run at full power the whole time.

Can Underfloor Heating Be Used As The Main Heat Source? ▾

In many cases it can, as long as the room has the right level of insulation. A heat loss calculation, usually carried out by a builder, architect or heating engineer, will show how much heating each room needs and whether underfloor heating can be used on its own.

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