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Underfloor heating is one of those things you rarely give a second thought to until something doesn't feel quite right.
Maybe you've noticed cold patches across the floor
Maybe one room takes much longer to warm up than the others
Maybe the heating just isn't performing as well as it used to
Sometimes it's nothing more than a minor adjustment. Other times, a professional service can identify a small issue before it develops into a more expensive repair.
Whether you have a wet (water-based) or electric underfloor heating system, regular servicing can help keep it working efficiently and reliably for years to come.
This guide explains how to find experienced underfloor heating specialists near you, what servicing involves, what can affect costs, and what to look for before hiring.
Why is your underfloor heating not working?
Is your underfloor heating not working? In this guide we explore the most common causes and best solutions.
How to find underfloor heating servicing near you
Whether your underfloor heating has developed a fault or you'd simply like it checked over, choosing an experienced specialist can make all the difference.
Here's how to find the right tradesperson for the job:
1. Search your postcode
Enter your postcode to browse checked underfloor heating specialists working in your area, whether you're in Bristol, Birmingham, Brighton or anywhere else in the UK.
2. Compare options
Read customer reviews and look for experience servicing the same type of underfloor heating system as yours.
3. Request quotes
Getting a few quotes makes it easier to compare what's included, whether the service covers fault finding, and any additional repair costs if problems are discovered.
4. Use the Checkatrade app
Manage enquiries, messages, quotes and bookings all in one place with the Checkatrade app.
Find a local underfloor heating specialist

Find underfloor heating specialists working in your area with Checkatrade
One of the biggest advantages of underfloor heating is that it's generally very reliable. Many systems run for years with very little attention.
But when performance starts to drop, it isn't always obvious what's causing the problem. Having the system checked by an experienced specialist can often get things running properly again without replacing major components.
Only tradespeople who pass our rigorous checks and commit to the Checkatrade Standard appear in our listings. That means you can compare checked and reviewed underfloor heating specialists with confidence before deciding who to hire.
"The company were very professional and very flexible. Craig showed up early and was able to quickly diagnose the issue, and when he was resolving it, uncovered other issues and just handled it all. Very clean and tidy, would recommend."
Verified review, RSPS, (Location G32)
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Why does underfloor heating need servicing?
One of the reasons underfloor heating has become so popular is because it's largely hidden away and requires very little day-to-day attention.
But that doesn't mean it's completely maintenance free.
Over time, wet underfloor heating systems can develop trapped air, pressure issues or worn components that affect how efficiently they heat your home.
Electric systems generally require less maintenance, but controls, thermostats and electrical connections can still develop faults.
Having the system checked every so often helps keep it working efficiently and can often identify small issues before they become much bigger ones.
If your underfloor heating doesn't seem to warm up as quickly as it used to, don't automatically assume the whole system needs replacing. A service can often identify relatively straightforward issues that are much cheaper to fix.
Signs your underfloor heating needs servicing
Many problems develop gradually, so they're easy to overlook at first.
Some of the most common signs that your underfloor heating needs servicing include:
Cold spots across the floor
Rooms taking much longer to warm up
Uneven temperatures between different rooms
The heating not reaching the thermostat setting
Pressure dropping regularly (wet systems)
Thermostat controls not responding properly
Unusual noises from the manifold or pump
Rising energy bills without an obvious reason
If you've noticed one or more of these issues, it's worth arranging for the system to be checked before the problem becomes worse.

What happens during an underfloor heating service?
What a tradesperson checks will depend on whether you have a wet (water-based) or electric underfloor heating system.
In either case, the aim is the same: make sure everything is working safely, efficiently and as it should.
Wet underfloor heating systems
A service may include:
Checking the manifold for leaks or signs of wear
Testing the pump and circulation
Checking the system pressure
Bleeding trapped air if needed
Inspecting valves and actuators
Testing thermostats and heating controls
Looking for any signs of poor circulation or blockages
If the system isn't heating evenly, your engineer may also investigate whether the pipework needs balancing or flushing.
Electric underfloor heating systems
Electric systems generally require less maintenance because there are fewer moving parts.
A service may include:
Testing electrical connections
Checking thermostats and programmable controls
Testing the heating mats or cables
Inspecting sensors
Identifying any faults affecting performance
If your underfloor heating suddenly stops working altogether, avoid assuming the heating elements have failed. In many cases, the fault lies with the thermostat or controls, which are often much simpler and less expensive to repair.
How much does underfloor heating servicing cost?
The cost of servicing underfloor heating depends on the type of system you have and whether any repairs are needed.
For example, a routine service is likely to cost less than diagnosing a fault, replacing a thermostat or repairing components within the manifold.
The final price can vary depending on:
Whether you have a wet or electric system
The size of the property
The number of heating zones
Whether replacement parts are required
Local labour rates
If you're considering replacing or installing underfloor heating rather than servicing it, our underfloor heating cost guide explains typical installation costs and the factors that tend to affect pricing.
Getting a selection of quotes is usually the best way to understand what a fair price looks like for your particular system.

We check the reviews on Checkatrade are from real people, and that trades meet our high standards.
What affects the cost of underfloor heating servicing?
Several things can influence the price you're quoted, including:
The type of underfloor heating system
The age of the installation
Whether fault finding is required
Replacement parts
Access to the manifold or controls
The size and complexity of the system
If repairs are needed, your engineer should explain what's causing the problem before carrying out any additional work.

Common underfloor heating problems
Although underfloor heating is designed to be low maintenance, faults can occasionally develop over time.
Some of the issues specialists are called out to investigate include:
Cold spots on the floor
Air trapped in wet systems
Low system pressure
Faulty thermostats
Sticking manifold actuators
Pump problems
Wiring faults
Heating zones not responding correctly
Many of these faults can be repaired without replacing the entire system, particularly when they're identified early.
A room that's slower to warm up than the rest of the house doesn't always mean there's a major fault. Sometimes it's simply a thermostat setting or balancing issue that can be corrected during a service.
Questions to ask before hiring an underfloor heating specialist
Before choosing a tradesperson, it's worth asking a few questions so you know exactly what's included.
For example:
Do you service my type of underfloor heating system (i.e. wet or electric)?
What's included in the service?
Will you test the thermostats and controls?
Can you carry out repairs if you find a fault?
Will replacement parts be quoted separately?
Have you worked on systems like mine before?
Comparing a few quotes is often the easiest way to see what's included and whether you're comparing like for like.

On Checkatrade, you'll only find trades who meet our high standards and pass up to 12 checks.
"It cost less than the quotes I received elsewhere, and the engineer was highly skilled, navigating a couple of issues with ease. Overall, I was very pleased with the result."
Verified review, Ry Group, (Location SW16)
Why use Checkatrade to find trusted local tradespeople near me?
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Request a quote, search in the Checkatrade app, or enter your postcode below to find experienced underfloor heating specialists covering your local area.
Find a local underfloor heating specialist
FAQs
Does underfloor heating need servicing?
Yes. Wet underfloor heating systems benefit from occasional servicing to keep them running efficiently and identify any developing issues. Electric systems generally need less maintenance but should still be checked if you notice a fault.
How often should underfloor heating be serviced?
There's no fixed servicing interval for every system, but many manufacturers recommend periodic checks, particularly for wet underfloor heating connected to your central heating system.
Who services underfloor heating?
Wet underfloor heating is usually serviced by heating engineers, plumbers or underfloor heating specialists. Electric systems are typically serviced by qualified electricians or specialist installers.
Why is my underfloor heating not heating up properly?
Uneven heating can be caused by trapped air, low pressure, faulty thermostats, pump issues or problems with the manifold. A professional service can usually identify the cause.
Can underfloor heating pipes become blocked?
It's uncommon, but sludge, debris or trapped air can affect circulation in wet systems over time. If this happens, your engineer may recommend flushing the system.
Is underfloor heating expensive to repair?
It depends on the fault. Simple issues such as replacing a thermostat or actuator are usually much less expensive than repairing damaged pipework or electrical components. Having problems investigated early often helps keep repair costs down.
Can electric underfloor heating be repaired?
Yes. Many faults involve controls, thermostats or electrical connections rather than the heating elements themselves. A qualified electrician can diagnose the problem and advise whether a repair is possible.


