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Onyx Porcelain Bathroom Tiles

Start your day in luxury, wind down in style


Realise your extra special ensuite or showstopping main bathroom with onyx porcelain bathroom tiles. Your bathroom will rival any luxury hotel or spa bathroom with our handpicked, curated selection of onyx porcelain bathroom tiles


Being Italian-made onyx bathroom porcelain tiles are the highest quality you will find and boasts the signature renowned Italian design. Our onyx porcelain bathroom tiles will start your day in luxury and wind down in style


Pictured are our Riviera Onyx Pastel porcelain tiles available in various sizes including slabs, hexagons, and mosaics to suit your space


Any questions? Chat with us on WhatsApp.

Onyx Porcelain Bathroom Tiles Inspiration

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Inspiration from real homes

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Family business Close-knit team with a passion for stone. We will treat your project as our own
Handpicked curated tiles Coveted stone selected and sourced globally
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Buy your Onyx Porcelain Bathroom Tiles with confidence

Do onyx porcelain bathroom tiles require sealing?

Onyx porcelain bathroom tiles do not require sealing as they are hardly absorbent.


With that said, the grout lines for onyx porcelain bathroom tiles should be sealed. This can be done with FILA grout protector


What other items do I need for onyx porcelain bathroom tiles?

We recommend Tilemaster, Fugabella, and Bostic grout and adhesive for onyx porcelain bathroom tiles. Your builder can provide the levelling kit, spacers, and anti-crack mats. Enjoy money off when bought together with your onyx porcelain bathroom tiles.


Adhesive is used for sticking the onyx porcelain bathroom tiles to the floor.

Grout is used for the gaps between the onyx porcelain bathroom tiles

Levelling kits are used to prevent lipping in onyx porcelain bathroom tiles


Spacers are used to ensure all your onyx porcelain bathroom tiles are evenly spaced

Anti-crack mats ensure your onyx porcelain bathroom tiles do not crack when the substrate expands and contracts


Concrete boards might also be required for timber substrates but your builder will advise


Should I seal grout in onyx porcelain bathroom tiles?

Grout lines between onyx porcelain bathroom tiles are most likely to get dirty and stain so yes! Onyx porcelain bathroom tiles do not normally require sealing because of their low absorbency rate but the grout lines (gaps between the onyx porcelain bathroom tiles) need to be protected. Sealing the grout lines will protect them from permanent staining. FILA has specific grout sealer products that you can select when making your onyx porcelain bathroom tile purchase


Are onyx porcelain bathroom tiles slippery?

The slip resistance of onyx porcelain bathroom tiles depends two factors; whether or not you are wearing shoes or barefoot, and if the onyx porcelain bathroom tiles are wet or dry. We are assuming the tiles are laid flat and not on a slope!


Onyx porcelain bathroom tiles are slip resistant when dry, barefoot or not, but please ask if you are unsure about your specific choice. To prevent slips on onyx porcelain bathroom tiles please ensure all spills are wiped immediately. Onyx porcelain bathroom tiles have polished and matt finishes. We do not recommend polished onyx bathroom tiles on bathroom floors considering the chances of the floor being wet. Please enquire about our matt onyx porcelain bathroom tiles which are suitable for floors


Please do not hesitate to call, email, or chat with us if you need further information on slip ratings of your chosen onyx porcelain bathroom tile


Are onyx porcelain bathroom tiles durable?

Onyx porcelain bathroom tiles are an investment for your home so it’s important to ensure that you choose a high-quality, hardwearing onyx porcelain bathroom tile. You want to rest assured that your bathroom cabinets and porcelain stoneware is sitting on a strong, durable and high-quality surface. At Boutique Stone, this is something we are passionate about


Our handpicked, curated selection of porcelain onyx porcelain bathroom tiles are made in Italy and Spain, the leaders in porcelain manufacturing tiles in Europe. This is a conscious decision based on our trust in the industry leaders in onyx porcelain bathroom tile manufacturing. Please search “Ceramics of Italy” and “Tiles of Spain” for more information. Being made in Italy and Spain means that the onyx porcelain bathroom tiles are made in state-of-the-art factories, and by companies heavily invested in using the highest quality of raw materials, and latest technologies. Italian tile design has been setting the trend for onyx porcelain bathroom tiles design for decades


All our onyx porcelain bathroom tiles are compatible with underfloor heating


Please do not hesitate to call, email, or chat with us if you need further information on durability of your chosen onyx porcelain bathroom tile


Are onyx porcelain bathroom tiles porous?

Onyx porcelain bathroom tiles made from porcelain are not porous so do not require sealing. They are treated and sealed after production. They have a low absorbency rate (<0.5%) You can easily perform a “water test” on your sample to see how long a drop of water lasts on the surface.


Please do not hesitate to call, email, or chat with us if you need further information on absorbency of your chosen onyx porcelain bathroom tile


Which size is best for onyx porcelain bathroom tiles?

Depending on the dimensions of your bathroom, the size of your onyx porcelain bathroom tiles will contribute to the overall look of your bathroom. Common sense prevails, larger bathrooms tend to look better with larger onyx porcelain bathroom tiles to minimise grout lines. Example large sizes are 600x1200 and slabs. These dimensions are in mm (millimetres)


Smaller bathroom floors/walls tend to look better with medium size tiles such as 600x600 Large onyx porcelain bathroom tiles could also work as they can give the illusion of a bigger space. Please consult with your builder to check the practicalities of installing larger tiles in a small bathroom


Standard onyx porcelain bathroom tile sizes range from 600x600, and 600x1200. These dimensions are in mm (millimetres) Important – please check out our note on nominal kitchen floor tile sizes


Please do not hesitate to call, email, or chat with us if you need further information on available sizes of your chosen onyx porcelain bathroom tile.


What is a good cleaner for onyx porcelain bathroom tiles?

We recommend FILA Cleaner Pro for cleaning onyx porcelain bathroom tiles


Dirt and stains on sealed natural stone flooring and onyx porcelain bathroom tiles are easy to clean when quickly attended to. Onyx porcelain bathroom tiles should be cleaned routinely with FILA Cleaner Pro specially formulated for onyx porcelain bathroom tiles



  1. Make sure the room is well ventilated to aid the drying process

  2. Use a microfibre mop to clean the tiled area. Dirt is most likely to accumulate in grout line and edges of the room so spend a bit more time there

  3. Use our FILA Cleaner Pro, specially formulated for tile surfaces — always read the label

  4. Mix the cleaning fluid and warm/hot water according to the proportions specified

  5. Read the directions on the label and test any product in a small area first before using on the entire surface.

  6. Rinsing is not required with FILA products but ensure you should wipe away the dirty cleaning residue with clean warm water.


Onyx porcelain bathroom tiles are stain resistant, however stains can and often do build up over time. Repeat steps 2-6 as required for any resistant stains


Please do not hesitate to call, email, or chat with us if you need further information on cleaning your chosen onyx porcelain bathroom tiles.


Are your onyx porcelain bathroom tiles in stock?

Yes, most of our onyx porcelain bathroom tiles are in stock in the UK and ready to despatch to arrive with you in 2-3 days. When viewing the onyx porcelain bathroom tiles on our website, you will see a delivery declaration showing when we can deliver by. For example it might say, “In stock del. by 10 April” meaning we have your onyx porcelain bathroom tiles in stock in our warehouses and can deliver by the 10th of April


Onyx porcelain bathroom tiles also come in hexagon, mosaic, and skirting board options – these might have a lead time. Please contact us to find out more


If your project is not quite ready, you can take advantage of our Pack & Hold service where you can reserve your onyx porcelain bathroom tiles and then we will deliver later. This ensures that when you are ready, you are not at the mercy of the changing prices, batch changes, and stock availability due to world events, and import challenges.


You can select the Pack & Hold option at the checkout or over the phone.


Please do not hesitate to call, email, or chat with us if you need further information on availability and delivery timescales your chosen onyx porcelain bathroom tiles.


Will my onyx porcelain bathroom tiles look like the sample?

Your sample is an excellent guide for the general look, feel, finish, and thickness of your eventual onyx porcelain bathroom tiles. With that said, we advise against using it as a guarantee of colour, veins, or fossils. Onyx porcelain bathroom tile samples may not always show the full variation of a tile.


We advise a combination of looking at photos of the onyx porcelain bathroom tile in other customer projects, artist impressions, and scanning the QR code behind the sample for a video demonstration.


The illustration shows a comparison between a sample and a full-size tile.


Please do not hesitate to call, email, or chat with us if you need further information on your chosen onyx porcelain bathroom tile samples


Our top trending porcelain & natural stone tiles

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Fast Delivery In-stock items delivered in 3-5 days. Next day options available
Free samples Free tile samples, only pay postage & packaging

We are the UK’s leading tile specialist, rated as Excellent by our customers

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