The Costs for Underfloor Heating

When planning an underfloor heating installation, understanding the costs involved is an important part of making an informed decision. The total price can vary depending on whether you choose an electric or water underfloor heating system, the size of the area being heated, the type of floor construction, and the level of control you want to achieve.

Electric Underfloor Heating Costs

Electric underfloor heating is often the more affordable option to install, especially for smaller rooms or renovation projects. The system uses heating mats or loose cables fitted directly beneath the floor finish, making installation quick and straightforward.

The average cost of electric underfloor heating in the UK typically ranges between £40 and £60 per square metre, including materials and installation. Running costs depend on your electricity rate, insulation quality, and usage patterns, but modern thermostats and smart controls can help you manage energy use efficiently. Electric systems are ideal for bathrooms, kitchens, or single rooms where you want instant, controllable warmth.

Water Underfloor Heating Costs

Water underfloor heating, also known as wet or hydronic heating, has a higher upfront cost but offers lower long-term running expenses. It circulates warm water through a network of pipes connected to a boiler or renewable heat source such as an air or ground source heat pump.

Installation costs generally range from £80 to £120 per square metre, depending on the project’s scale and complexity. Because this system is more suited to new builds or large-scale renovations, installation is often done during construction when floors are being laid or replaced. Although initial costs are higher, water systems can reduce energy bills over time thanks to their lower operating temperatures and compatibility with renewable energy solutions.

Additional Considerations

When budgeting for underfloor heating, remember to factor in insulation boards, thermostats, and manifold components for water systems. These play a vital role in efficiency and performance. Good-quality insulation can reduce heat-up times and energy consumption, while advanced thermostats give you precise control over each room’s temperature.

Labour costs will also vary depending on the installer’s experience and regional rates, but choosing a trusted professional ensures a safe, compliant, and long-lasting system.

Running Costs and Efficiency

Underfloor heating operates at lower temperatures than traditional radiators, making it one of the most efficient ways to heat your home. Once properly installed and insulated, it can achieve energy savings of up to 25–40% compared to conventional heating systems. The key to keeping costs down is good insulation, appropriate zoning, and smart temperature management.

Explore Related Products

Start planning your project with our full range of:

    •    Electric Underfloor Heating Systems
    •    Water Underfloor Heating Systems
    •    Insulation Boards
    •    Thermostats and Smart Controls