Floor Milling For Under Floor Heating

Retrofit underfloor heating without raising your existing floor levels.

Floor milling allows underfloor heating pipework to be installed into many existing floor types by cutting precision channels directly into the screed or concrete. Using specialist dust extraction equipment, the process creates minimal airborne dust and avoids the need for bulky overlay panels typically used in many renovation projects.

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What Floor Milling Actually Involves

Why Choose Floor Milling?

No significant increase in finished floor height
Minimal dust with professional extraction
Less disruption than digging up and replacing floors
Fast accurate installation
Suitable for many renovation and extension projects

How floor milling works

Step 01: Survey and design

Every project starts by understanding your property. We assess the existing floor construction, discuss your heating requirements and design a pipe layout that delivers even heat throughout your home.

Step 02: Precision floor milling

Using specialist floor milling equipment we cut precise channels into the existing screed while industrial dust extraction keeps airborne dust to a minimum.

  • Existing screed retained
  • No unnecessary demolition
  • No significant increase in floor height

Step 03: Pipe installation

The underfloor heating pipe is carefully installed into the newly milled channels before being connected up to the manifold. Every circuit is pressure tested to ensure the system is ready for the next stage of the installation.

Step 04: Floor preparation to suit your project

Ready for your flooring contractor
  • Ideal for when floor height is critical
  • Gives your flooring contractor complete control over the final finish
  • Perfect if your flooring contractor is scheduled immediately after our installation
Initial channel fill
  • Protects the underfloor heating pipework within a few hours
  • Ready for other trades to continue working whilst limiting the risk of damaging the pipework
  • Can be left until you’re ready for the final floor finish
Final floor preparation
  • Smooth flat surface ready for your chosen floor finish
  • Fully protected and ready for DIY or professional floor installation
  • Completes the subfloor, allowing your chosen flooring to be installed whenever you’re ready, by the contractor of your choice
Is My Floor Suitable For Milling?

Suitable floor types

Click an image to enlarge it and see the typical difference between concrete, screed and tiled floors.

  • A dense structural floor made from cement, sharp sand and stone aggregate (small 10-20mm pebbles).
    When cut or drilled, you’ll see the stones embedded throughout the concrete slab, giving it a dense, solid appearance.
Concrete
  • A layer of sand and cement laid over a concrete floor.
    Screed contains no large stones, so when cut it has a more granular texture and is generally softer than concrete.
Screed
  • The majority of tiled floors are suitable for floor milling. As long as the tiles are properly bonded to the subfloor below.
Tiled floors

Not Suitable floor types

Timber suspended floors
  • A thin layer doesn’t automatically mean the floor can’t be milled. If it’s well bonded to the subfloor below it, it effectively behaves as one solid slab.
    The issue is thin, weak or un-bonded screeds, as these can break up during the milling process.
    If a thin un-bonded layer is present then we would recommend a different underfloor heating installation method.
Floors with insufficient depth
  • Weak or poorly mixed sand and cement screeds can be too weak to withstand the milling.
    If this is found then we would recommend removing the screed and installing a different type of underfloor heating.
Extremely weak sand and cement screeds

Not sure if your floor is suitable?

The quickest way for us to assess your floor is from a few photos, or ideally, a short video.

Simply WhatsApp or email them to us and we’ll let you know whether floor milling is suitable for your property. If it isn’t, don’t worry-we install a range of underfloor heating systems and will recommend the solution that’s best suited to your home.

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There’s no obligation – we’re happy to offer honest advice, even if floor milling isn’t the right option for your home.

See Our Recent Work

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Frequently Asked Questions

Every project is different, so the cost depends on the size of the floor, any preparation required, and whether you need floor milling only or a complete underfloor heating installation. Contact us for a free estimate.

Yes. We can mill around existing kitchen units, islands and walls. During the design stage, we carefully plan the pipe layout to maximise heat output while working around fixed furniture wherever possible.

In most cases, yes. Floor milling is a clean, low-dust process using industrial dust extraction. While the work area will need to remain clear, most customers are able to remain in their home during the installation.

Most floor finishes are suitable, including tiles, engineered wood, LVT, laminate and carpet, provided they are installed in accordance with the flooring manufacturer’s recommendations. We’ll be happy to advise on the most suitable flooring for your project.

Yes. We carry out floor milling and underfloor heating installations across the UK. If you’re unsure whether we cover your area, simply get in touch and we’ll be happy to help.

Yes. Existing floor coverings must be removed before floor milling can begin. If required, we can also remove and dispose of the existing flooring as part of your project.

If we find that your floor isn’t suitable for milling, we’ll explain why and recommend the most suitable alternative. This may include an overlay underfloor heating system or replacing the existing screed. Our aim is always to find the most practical and cost-effective solution for your home.

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Ready for the Next Step?

Now you know how floor milling works, choose the next step that’s right for you.

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