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our simple guide to picking your perfect hearth.

Quartz Named Hottest Kitchen Trend

  • Modern freestanding stoves – Not always, check with your retailer


What size hearth do I need?

Different retailers might say slightly different sizes but the average

recommended sizes are:

150mm at each side and to the rear of the stove
300mm-500mm from the stove door depending on the size of your stove

What material should I pick?

Non-combustible, hard-wearing materials are a must.

  • Natural stones – slate, granite, marble, limestone
  • Ceramic or quarry tiles
  • Brick


Slate and granite work best. They are heat resistant, if a bit of coal or burning log falls on to them, they won’t be easily scratched or stained. They come in many different finishes for modern or rustic looks.

  • Granite finishes – polished, honed (matte), satinato (a textured matte), anticato (a matte flame-texture)
  • Slate – Honed or riven (rustic texture)


Marble and limestone work well too but can be stained by ash.

Tiles, 1 piece, 2 piece?

When you’re ordering a hearth, you may be asked if you want it in one piece or two pieces, or even tiles. This is to prevent the stone from getting too hot and buckling. However, with stoves, one piece of stone cut in to a t-shape and slotted in to the recess won’t buckle. However for open fires which are much closer to the stone, two pieces are recommended. And tiles are simply a design option rather than a practicality.

How thick?

A minimum of 20mm thickness is recommended for the hardest materials like slate and granite. For slightly softer stones, marble and limestone, we recommend 30mm.

Hearths can be flush to the floor or built on an upstand. Either works well.

Colours and design options?

Most stone fabricators, including Coulon Stone have a stock of incredible natural stone off-cuts that make perfect hearths. It means you might be able to find a unique, statement hearth, for cheaper than you think, as well as all your traditional blacks, greys, whites and beiges. We recommend you head to your local stone fabricator to get some ideas and see what’s available before settling on something.

The hearth is simply the floor of a fireplace made from heat resistant materials like brick or stone. Traditionally the heart of your home where all the cooking would be done and the family would keep warm, nowadays hearths can be just as much about design as they are a practical part of your fireplace.

As hearths are made from such durable materials, they’re not something you’ll be buying regularly – which means you might not know where to start. Here’s our simple guide to picking the perfect hearth.

Do I need a hearth?

A fire should sit on a hearth so that it’s surrounded by a surface made from non-combustible materials.

  • Open Fires (log or coal) – Yes, need a hearth
  • Log and coal burners (with or without gas component) inserted in to a fireplace recess – Yes, need a hearth