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Underfloor heating explained

Underfloor heating costs and installation

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Find out some top tips on what to think about when buying and installing underfloor heating systems.

How much you pay for underfloor heating varies dramatically, depending on what type of underfloor heating you get, whether it will be installed in a new room or retrofitted to an existing room, and what your floor structure is like.

You'll need to think about:

  • whether you want an electric or water system
  • the number and type of rooms you want it installed in
  • each room's size
  • if you want to get rid of the radiators in that room
  • whether you will install it yourself.

These are just some of the factors that can affect the cost of underfloor heating. So you don't end up paying more than you should for underfloor heating, or make a choice that you later regret, we've done the hard work for you. 

We've contacted underfloor heating installers and companies across the UK to find out what you should expect to pay and what you need to consider. You can use the findings from our research to choose the right type of underfloor heating for your home and budget, and to make sure you don't get caught out by any unexpected costs.

We've also spoken to Which? members who have underfloor heating to get their tips on what to think about when buying and having it installed. We've asked what they wish they had known and what they would have done differently. You can use our research so that you know exactly what to expect and can avoid annoying or costly mistakes. 

If you're a Which? member, you can log in now to unlock this page and find out everything you need to know about underfloor heating to help you get the best price for you. You'll also get access to our member-only advice on the pros and cons of getting underfloor heating, where you can read about the real benefits and drawbacks of underfloor heating from people who have it and live with it - day in, day out.

Not yet a Which? member? You can sign up for a trial subscription to access all our advice on heating, from underfloor heating to wood-burning stoves, and reviews of appliances including boilers, washing machines and vacuum cleaners.

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