Here's What You Need to Know About Underfloor Heating

If you're renovating, extending, or upgrading your heating system, you’ve probably asked the question: is underfloor heating worth it?

It’s a popular modern option, especially in open-plan homes, kitchens, and bathrooms, but is it just a luxury add-on, or a smart investment that pays off over time?

In this guide, we’ll look at how underfloor heating works, compare it to traditional radiators, and explain when it makes sense to install it. And if you’re already considering new heating, KD Jones can help you plan a full system, including 0% finance options for boiler upgrades.

How does underfloor heating work?

Underfloor heating uses a network of pipes (in water-based systems) or electric mats to warm the floor surface of a room. Heat rises gently from the ground up, creating a consistent ambient warmth throughout the space.

Unlike heating and radiators, which rely on convection currents and hot spots near the walls, underfloor heating distributes warmth more evenly, with fewer draughts, no clunky units, and no cold feet in the morning.

Is underfloor heating better than radiators?

In many homes, yes. Especially in well-insulated properties or new builds.

Underfloor heating:

• Works at lower flow temperatures
• Reduces visible clutter in rooms
• Creates a more even distribution of warmth
• Improves compatibility with air source heat pumps and other energy efficient systems

In short, for people comparing underfloor heating vs radiators, the former offers smoother performance and lower running costs in the long term, but it does come with higher installation costs upfront.

What are the main benefits?

There’s a reason more and more homeowners are asking ‘is underfloor heating worth it?’ Here’s what it offers:

• Greater comfort and even heat across the floor
• No bulky radiators taking up space
• Lower heat loss in modern homes
• Works well with heat pumps and other energy saving tech
• Reduced energy bills over time due to lower water temperatures

Water-based systems (like those we install at KD Jones) are especially cost-effective in larger homes or rooms that are used regularly.

Are the running costs really lower?

Running costs can be lower, especially when installed as part of a modern heating solution with a heat pump or condensing boiler. Because underfloor heating works efficiently at lower flow temperatures, it doesn’t need to blast hot water through pipes to feel warm.

That means your boiler or heat pump doesn’t have to work as hard, reducing fuel usage and helping your system last longer.

What about installation costs?

This depends on the type of underfloor heating, the size of the area, and whether you're retrofitting or installing during a renovation.

Installing underfloor heating in a new build or extension is far simpler and more cost-effective than retrofitting it into a finished space. But even in existing homes, smart solutions exist, and the benefits can be worth it.

If you’re already replacing flooring or upgrading your boiler, it’s a great time to do both together. We’ll help you weigh up the costs and build a solution that works for your home and budget.

Should I choose electric or water-based systems?

We recommend water-based underfloor heating for most whole-home applications, especially if you already have a boiler or are installing a heat pump. It’s more efficient for larger areas and integrates well with modern central heating systems.

Electric underfloor heating can be a simpler choice for single rooms or bathrooms, but it’s generally more expensive to run and less energy-efficient long term.

Thinking about installing underfloor heating?

If you’re planning a renovation or thinking ahead to the colder months, now’s the time to explore your heating options. KD Jones Heating Engineers are certified Nu-Heat underfloor and renewables installers, and we can design a complete system that suits your home, from floor layout to boiler compatibility.

📞 Call us on 01737 211376

🌐 Visit our contact page to request a quote online

📍 Based in Redhill, we cover homes across Surrey and the surrounding areas

And if you’re upgrading your boiler at the same time? We offer 0% finance to help spread the cost with no added interest.

FAQs

Is underfloor heating worth it in an existing home?

Yes, especially during a renovation. Retrofitting is more complex, but still possible, and long-term savings can make it worthwhile.

Does underfloor heating save money on energy bills?

It can. Lower flow temperatures and more even heat mean less energy is used to keep your home warm.

Is underfloor heating better than radiators?

For comfort and energy efficiency, many people prefer it. It offers consistent warmth and frees up wall space.

How long does it take to heat up?

Typically 30 to 60 minutes, depending on the floor material and insulation. Heat builds gradually but holds well.

Can I use underfloor heating with a combi boiler?

Yes, but it’s especially efficient when paired with a system boiler or heat pump.

Is it compatible with heat pumps?

Absolutely. Heat pumps and underfloor heating work well together thanks to their low-temperature flow.

What are the installation costs like?

Costs vary depending on the system type, floor structure, and room size. We provide honest, fixed quotes.

Is underfloor heating zero maintenance?

It requires very little. Once installed, water-based systems are sealed and protected with inhibitors.