Channel Heat Systems

02/06/2026

“Does retrofit underfloor heating raise floor height?”

Not necessarily.

The answer depends largely on the installation method.

👉 Traditional overlay systems achieve underfloor heating by adding new boards or layers on top of the existing floor, which can increase floor levels and create knock-on considerations around doors, thresholds, staircases, kitchens and room transitions.

Channel-cut retrofit systems work differently.

✅ By precision milling channels directly into the existing screed or concrete floor, the pipework is installed within the floor structure itself rather than on top of it. This significantly reduces floor build-up and allows the existing floor construction to be utilised more effectively.

In practice, the underfloor heating system itself does not create structural floor build-up. ❌

However, depending on the condition of the existing floor, a small amount of levelling compound may be required before the final floor finish is installed, typically far less than with many overlay solutions.

🛠 This approach is particularly valuable in renovation projects where preserving existing floor levels is important, whether that's due to bifold door thresholds, fitted kitchens, staircase geometry or continuity between adjoining rooms.

The installation method matters just as much as the heating system itself.

Got anything to ask our team? Our DMs are open! 👋

28/05/2026

Don’t miss out on our Bank Holiday week offer! ☀️

The UK heatwave won’t last forever… but warm floors can!☀️➡️🔥

Imagine walking barefoot through your home in winter – without cold tiles, freezing kitchen floors or bulky radiators taking up wall space.

This Bank Holiday week, we’re offering:
🔥 150 OFF your retrofit underfloor heating project
🔥 FREE property survey

And the best part?

Our precision-milled retrofit systems are designed specifically for existing homes – with minimal disruption, zero structural floor build-up and no need to dig up the entire floor to enjoy warm water underfloor heating.

If a renovation, extension or flooring project is already on your mind, now is honestly one of the best times to start planning before the autumn rush begins!

👉 Get in touch with our team this week to secure your discount and receive a rough project estimate from our team.

Quote code: HEATWAVE150 when inquiring.

📞 0203 9166 264
📱 +44 7951 041911
📧 [email protected]

25/05/2026

The UK heatwave won’t last forever… but warm floors can!☀️➡️🔥

Imagine walking barefoot through your home in winter – without cold tiles, freezing kitchen floors or bulky radiators taking up wall space.

This Bank Holiday week, we’re offering:
🔥 150 OFF your retrofit underfloor heating project
🔥 FREE property survey

And the best part?

Our precision-milled retrofit systems are designed specifically for existing homes – with minimal disruption, zero structural floor build-up and no need to dig up the entire floor to enjoy warm water underfloor heating.

If a renovation, extension or flooring project is already on your mind, now is honestly one of the best times to start planning before the autumn rush begins!

👉 Get in touch with our team this week to secure your discount and receive a rough project estimate from our team.

Quote code: HEATWAVE150 when inquiring.

📞 0203 9166 264
📱 +44 7951 041911
📧 [email protected]

22/05/2026

💭 “We thought underfloor heating would raise the floor too much.”

💭 “We assumed the whole screed would need digging out.”

💭 “We didn’t think it would work in an older home.”

We hear these concerns almost every day. And it’s exactly why we wrote this guide.

Modern retrofit underfloor heating systems work very differently to what many homeowners imagine.

👉 Precision-milled systems are designed specifically for existing homes and renovation projects, allowing underfloor heating to be installed directly into existing screed or concrete floors. Our precision-milled systems are designed for a TRUE ZERO BUILD-UP installation.

By milling grooves directly into your existing screed or concrete floor, the pipes sit completely flush. The system itself adds absolutely no height to your floors (the only minor build-up you might ever need comes from the self-levelling compound required by certain flooring manufacturers, like LVT – not from our heating system!)

In this guide, we answer the real questions homeowners ask before making a decision – from running costs and floor height concerns to renovation timing, insulation myths and whether retrofit underfloor heating is actually worth it in existing UK homes.

No generic marketing talk. Just honest answers based on real projects and real installations.

👉 Read the full guide here: https://bit.ly/retrofit-underfloor-heating-guide-2026

19/05/2026

88m² of retrofit underfloor heating.

Zero digging. Zero screed removal. Zero unnecessary disruption!

We were recently in Henley helping transform this beautiful property as part of a wider home renovation project.

👉 The homeowners wanted all the comfort and efficiency of warm water underfloor heating, but without the nightmare of digging up the entire ground floor or massively raising floor levels throughout the house.

That’s where precision floor milling made all the difference.

By cutting channels directly into the existing screed, we were able to retrofit 88m² of underfloor heating quickly, cleanly and with minimal disruption to the wider renovation.

✅ No major floor build-up
✅ No full screed removal
✅ Faster installation
✅ Improved heat distribution
✅ Designed for low-temperature efficiency

The result? A modern heating system hidden entirely beneath the floor, cleaner room layouts without bulky radiators and a home designed for comfortable everyday living.

This behind-the-scenes video gives a real look at how retrofit underfloor heating installation actually works onsite!

👉 Planning a renovation or extension? Chat with our experts to see if retrofitting underfloor heating is feasible in your property.

📞 0203 9166 264
📱 +44 7951 041911
📧 [email protected]

18/05/2026

A lot of people still think all underfloor heating systems work the same way. They don’t.

👉 Traditional systems were often designed around thick screeds, significant floor build-up and long installation times. That can work well in some projects, but it’s also one of the reasons many homeowners assumed underfloor heating simply wasn’t realistic in an existing property.

Modern retrofit systems work differently.

👋 At Channel Heat Systems, we precision mill channels directly into existing screed or concrete floors, allowing the pipework to sit within the floor itself rather than underneath a thick new layer.

The result?

✅ Faster installation times
✅ Minimal floor height increase
✅ Cleaner installation process
✅ Faster heat response
✅ A system designed specifically for existing homes

❌ One of the biggest misconceptions we hear is that retrofit underfloor heating must involve major disruption and weeks of building work.

👉 In reality, many homeowners are surprised by how quickly and cleanly the process can actually be completed!

The technology behind underfloor heating has moved on significantly – especially for retrofit projects.

👉 Thinking about warm water underfloor heating in an existing home? Get in touch with our expert team today and we’ll advise what’s possible.

📞 0203 9166 264
📱 +44 7951 041911
📧 [email protected]

16/05/2026

One thing we never want homeowners to feel during a renovation project? Like they’ve been left in the dark. 👻

Retrofit underfloor heating is a big decision, and when work is happening inside your home, communication matters just as much as the installation itself.

👉 That’s why our team stays closely involved throughout the project – checking in, answering questions and making sure homeowners feel comfortable every step of the way.

Whether it’s helping coordinate with other trades, updating customers on progress or simply making sure everything is running smoothly onsite, we believe the experience should feel personal, organised and stress-free.

In a world where it’s becoming increasingly normal to wait on hold, chase updates or struggle to speak to someone directly at larger companies, at Channel Heat Systems we know our customers value genuine communication and real accountability.

The messages in this post genuinely mean a lot to our team. ❤️

Because while we’re passionate about precision milling and retrofit underfloor heating systems, we also want our customers to feel comfortable before, during and after the installation process. And for us, that matters just as much as the finished warm floors.

📞 0203 9166 264
📱 +44 7951 041911
📧 [email protected]

14/05/2026

Is there anything better than walking barefoot across warm floors when it’s cold outside? 🍂

A lot of homeowners love the idea of underfloor heating… but assume the process must involve major demolition, huge disruption and weeks of work. With Channel Heat Systems, it’s the exact opposite.

👉 Retrofit underfloor heating is often far simpler than people expect – especially when it’s planned as part of a renovation project.

Our precision-milled systems are designed specifically for existing homes, cutting channels directly into screed or concrete floors with minimal floor build-up and fast installation times.

In many projects, we’re simply one part of the wider renovation schedule, working alongside builders, tilers, kitchen installers, electricians and plumbers while the rest of the project continues moving forward.

And because the process is organised properly from the start, homeowners are often surprised by:

✅ how quickly installation happens
✅ how little disruption is involved
✅ and how achievable warm floors actually are in an existing home!

If warm floors are part of your vision for autumn or winter this year, mid-May is actually the perfect time to start planning ahead, before renovation schedules become busier later in the year.

👉 Send us your plans or floor layout and we can provide a rough estimate and advise whether your project is suitable for retrofit underfloor heating!

📞 0203 9166 264
📱 +44 7951 041911
📧 [email protected]

10/05/2026

POV: when the marketing budget gets cut because of milling blades 😭

08/05/2026

💭 Will retrofit underfloor heating raise your floor height?

This is one of the biggest concerns we hear from homeowners, especially during renovations where everything is already set: doors, kitchens, skirting boards and floor levels.

👉 The reality? Not all systems are the same. Traditional overlay systems build on top of your existing floor, which can significantly increase floor height and create knock-on issues throughout the property.

Channel-cut retrofit systems work differently.

✅ Instead of adding layers, we cut directly into the existing screed or concrete and install the pipework within the floor itself. That means we’re working from your current floor level, not building above it.

In most cases, the final increase is minimal:
🟢 Around 4–5mm in well-prepared floors
🟢 Up to ~10mm in more uneven renovation projects

Why does this matter? Because even small height increases can affect door clearances, thresholds between rooms, skirting boards, kitchen units, staircase heights and more. And in many UK homes, preserving every millimetre really counts.

Because retrofit systems sit within the floor, homeowners can often avoid major adjustments, making them ideal for partial renovations, extensions, or upgrading specific areas without creating awkward level changes.

Want to learn more about retrofitting underfloor heating in your property? Get in touch with our expert team to get all your questions answered.

📞 0203 9166 264
📱 +44 7951 041911
📧 [email protected]