FAQs

Frequently Asked Questions

Underfloor Heating throughout the home

Each project is different but in most cases, yes you can. There are a few things to consider such as:

  • The current floor construction
  • Whether you want to excavate or build on top of your current floor
  • The finished height of the floor and headroom after installation
  • The type of underfloor heating you wish to install.

There are so many underfloor heating options available nowadays that it is easier than ever to have UFH installed in your home. For those not wanting to touch their original floor or those wanting a quick fit, Retro Fit kits are a great option as they sit directly on top of your original floor meaning no messy excavating.


For those wanting a heavy duty, well insulated screed system, these can often be fitted in a day (plus drying time) and then they are ready to be tiled.

For homes where headroom is limited, there are now systems available that only raise the floor height by 15mm.

To make sure you are buying the right system for your home we always suggest that homeowners measure their floor area and then get a quote. This way you will end up with a system perfectly tailored for your situation.

Click here for a free, no obligation underfloor heating quote. We will suggest the best options for you and even if you are not looking at buying right now, we are happy to offer advice as it is always sensible to have all the facts so you can make a sensible, informed decision.

Underfloor heating systems can vary greatly in price. There are numerous cheap UFH kits available online but many of these often contain sub-standard parts and non-branded equipment. This sounds like a great way to save money but you can run into a lot of trouble if
anything goes wrong, and it can sometimes be impossible to find replacement parts especially for non-branded manifolds and bigger pieces of equipment. We always suggest looking around so you are confident in what you are buying.

An average price for a good quality, guaranteed underfloor heating system is anything from £395.00 + vat for 20sqm.

Yes Underfloor heating can connect to any heat source. You can connect underfloor heating to you electric/gas/oil boiler, solar panels or even a ground source heat pump.

Yes Underfloor heating can easily be laid in a timber floor. There are a couple of options for installing UFH in timber floors, either between the joists with a floor laid on top, or you can fit the underfloor heating system to your existing floor and then cover with a new floor.

For more information see diagrams and instructions for installing underfloor heating in different Floor Constructions

Yes Underfloor heating can be laid on a concrete floor. If the floor already has insulation under the concrete then underfloor heating can be laid straight away. If not then insulation would have to be laid on top of the existing concrete before the system can be installed on top.

For more information see diagrams and instructions for installing underfloor heating in different Floor Constructions

Damaging an underfloor heating pipe is rare as they are very heavy duty and you do not need to drill through the floor once it has been laid. In the even that you accidentally damage a section of underfloor heating pipe you can repair it quite simply by using a compression socket.

  1. Locate the damaged section of pipe
  2. Make a clear mark either side of the damaged area
  3. Using a good quality pipe cutter, cut through the pipe cleanly along the marked lines
  4. Fit the compression socket to the underfloor heating pipe
  5. Tighten fitting

Yes you can fit underfloor heating in an existing floor. This is often called ‘Retro Fit’ underfloor heating and there are a number of options that you can choose from. These range from a 15mm – 25mm floor build up depending on the method selected.


For more information see diagrams and instructions for installing underfloor heating in different Floor Constructions

In a floating floor, if the floor is already insulated installing an underfloor heating system would add 43mm in total to the height of your floor. This would involve using 25mm timber battens with pipes between and fixed in place using screed or aluminium plates. Then an 18mm structural (i.e chipboard) floor would be fitted on top of the system.

Any competent person can lay underfloor heating with very little difficulty. Many people have misconceptions about underfloor heating but it is actually very efficient, cost effective and simple to fit. We have put together a guide to help – See how to install underfloor heating in 5 Easy Steps

If you don’t feel comfortable fitting your own heating system then we would always recommend hiring a professional plumber. If you would like any further advice there are a number of ways to contact us.

Any floor covering can be laid on top of an underfloor heating system, however some are much better at transferring heat so it is important to consider the type of floor you want carefully. Natural stone and tile floors are the best for transferring heat from your underfloor heating pipes through the stone and into the room, making them incredibly good floor coverings for use with underfloor heating. When using standard central heating, stone floors rarely manage to heat up resulting in a cold floor all year round. With underfloor heating, stone floors can be delightfully warm even in the middle of winter.

When using carpet as your finished floor covering, we recommend using a maximum tog rating of 1.5. Any higher than this and the carpet can affect the efficiency of the underfloor heating system.

For more information see diagrams and instructions for installing underfloor heating in different Floor Constructions

If you have any further questions relating to underfloor heating then feel free to contact us.

Underfloor heating can be on average 15%-40% cheaper to run than central heating due to the low running temperatures needed. Most underfloor heating systems usually run between 30-55 degrees which can help save up to 40% on your energy bills.

Underfloor heating can be controlled by either programmable thermostats in every room, or by room thermostats with an overall time control (Programmable room thermostat or Time clock). There are a range of thermostats and controls available nowadays with WiFi and smart controls that let you control your heating from your phone. These systems are surprisingly easy to set up and give you full control over your home heating no matter where you are.

Contact us for advice on fitting your own underfloor heating system.

Yes the boiler pump only pumps water to the manifold then the manifold pump circulates the water around the floor.

Yes you need a Part P qualified electrician

Yes, you need a manifold so you can lower the water temperature and circulate the water around the floor.

Underfloor heating can take up to 3 hours to warm up from stone cold. This is dependent on heat losses in the room and the amount of screed on top. The initial warm up period will take longer because the floor is cold. The floor will warm up quicker once the heating is up and running because the floor will still be warm from the previous heat cycle. The optimum way to run underfloor heating is to maintain the building at a constant temperature using set back settings on programmable thermostats.

The underfloor heating pipework has a manufacturers warranty of 50 years.

Check the head on the underfloor heating manifold is open and pump and boiler has fired up. Check the return valve on the manifold is open. This is located on the bottom left hand side, underneath the nickel plated dust cap open this by using a 6mm allen key.

Check the thermostat is calling for heat
Check the batteries in thermostat (if applicable)

If your underfloor heating system is not warming up then there are a few simple things that you should check.

  • Check flow and return valves are open.
  • Check plastic caps on the top body are open turn anticlockwise (single zone manifold).
  • If the actuator valves are open and pump and boiler has fired up check the Flow & Return Ball valves on the manifold (Multi zone manifold).
  • Check under caps on the bottom body use 5mm alan key (anticlockwise) and slotted screwdriver (single zone manifold).
  • Check the flow gauges are open. Pull off orange cap and turn flow gauges anti-clockwise (multi zone manifold).

Check that the thermostats are opening the right actuators.

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5 Step Under Floor Heating Installation

Simple Underfloor Heating DIY installation guide. A step by step guide to help you fit your system perfectly.

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Technical information on our underfloor heating systems. Call 0800 232 1501 for more info.

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