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Wood Flooring in a Bathroom

We are going to answer this honestly rather than sell you something. In a downstairs cloakroom with a basin and a WC, an engineered wood floor is fine and looks far better than the alternatives. In a family bathroom with a shower over the bath, we would advise against it.

That is not a sales position, it is what we have seen come back. Below is the line between the two situations, why it falls where it does, and what we would suggest instead when wood is the wrong answer.

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Where Wood Works, and Where It Does Not

A cloakroom or guest WC has a basin, a cistern and a closed door. There is no standing water, no steam to speak of and no bare wet feet. An engineered board with a lacquered surface handles that as easily as it handles a kitchen, and plenty of our customers have one.

HerringboneChevron
Block shapePlain rectangle, cut squareCut at an angle at both ends
How it meetsEnd to side, steppedPoint to point, continuous V
FeelTraditional, informal, forgivingFormal, directional, more modern
Waste10–15%More — the angled cuts throw away more
CostHigher than plankHighest of the three
Best inAlmost any room; the safe choiceLong rooms and hallways, where the V has somewhere to go

A main bathroom is a different room. A shower throws water onto the floor every day, the air reaches saturation twice a day and then dries out, and someone steps out of the bath onto the boards. Any one of those is survivable. All three, every day, for ten years, is what wears a wood floor out early.

Heating and Ventilation Do More Than the Floor Choice

If you are set on wood in a wet room, two things extend its life more than any upgrade in specification. The first is underfloor heating: it keeps the boards and the air dry between uses, which breaks the wet-dry cycle that does the damage. 64 of our floors are rated for it, and the same 27 °C surface limit applies as anywhere else.

The second is an extractor that actually shifts air. A fan that clears the mirror in two minutes is doing its job; one that leaves the room fogged for half an hour is not, and no floor will survive that for long. If you have to choose where the budget goes, it goes on the fan before it goes on the floor.

Why Humidity Does More Damage Than Splashes

A wiped-up splash is nothing. The damage in a bathroom is done by the cycle: the room goes to near-total humidity during a shower, the boards take up moisture and swell slightly, then the room dries and they shrink back. Repeat that twice a day.

Over time the joints work loose, the edges lift and the finish at the board edges breaks down, because that is where moisture gets in. Engineered construction resists this far better than solid timber — which is why we would never consider one of our 3 solid floors for a bathroom — but it does not make the floor immune.

An extractor fan that genuinely works changes this picture more than any choice of floor. If the mirror clears in two minutes the room is ventilated; if it stays fogged for half an hour, a wood floor will not last and you should spend the money on the fan instead.

If You Are Going Ahead Anyway

Some people want a wood floor in a bathroom knowing the trade-off, and that is a reasonable decision to make with open eyes. If so, the specification matters more here than anywhere: engineered construction, and a lacquered surface rather than oiled, because the sealed film keeps water off the timber. We hold 48 lacquered floors.

Glue it down rather than floating it, so water cannot find its way beneath the boards and sit there. Seal the perimeter and every penetration — around the WC, the pipe to the basin, the bath feet. Those openings, not the open floor, are where the water gets in.

Then treat it as a floor that needs attention: a bath mat that is actually used, a working extractor, and spills dealt with rather than left. Done that way a wood floor in a bathroom lasts; done casually it does not, and we would rather tell you now.

Floors We Would Supply for a Cloakroom

Lacquered engineered oak from £22.00 per m² excluding VAT — the same floors we specify for kitchens, and the only ones we would put in a wet room at all.

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What We Suggest Instead

For a main bathroom we would point you at a tile or a quality vinyl, which we do not sell — so there is nothing in it for us in saying so. If you want the look of oak through the whole upstairs, a sensible compromise is wood everywhere else and a different floor in the bathroom alone.

If you are weighing up a kitchen floor at the same time, our kitchen page covers the same questions in a room where the answer is a clear yes.

Frequently Asked Questions

Can you put wood flooring in a bathroom?

In a cloakroom or guest WC, yes, and it works well. In a main bathroom with a shower, we advise against it — not because it will fail immediately, but because the daily humidity cycle shortens its life considerably.

Is engineered wood waterproof?

No, and nobody should tell you it is. Engineered construction is dimensionally stable, which means it copes with humidity changes far better than solid timber. That is not the same as being waterproof, and we do not stock a waterproof wood floor.

Lacquered or oiled for a bathroom?

Lacquered, clearly. The lacquer is a sealed film that keeps water off the wood. An oiled floor is breathable, which is a virtue in a living room and a liability in a wet room.

Should it be glued or floating?

Glued. A floating floor has a void beneath it, and water that finds its way in sits there and is not noticed until the boards lift. Gluing removes the void and the perimeter can be sealed properly.

What about underfloor heating in a bathroom?

It helps, because it keeps the floor and the room dry between uses, and 64 of our floors are rated for it. The same 27 °C surface limit applies. Heating plus a working extractor is the combination that makes a wood bathroom floor viable.

What goes wrong first?

The board edges and the joints, and it starts at the places where water gets underneath — around the WC pan, at the bath, at the door threshold. That is why sealing the penetrations matters more than the floor specification.

What Our Customers Say

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“We had some herringbone flooring fitted recently. It was a great experience from start to finish and we couldn't be more happy with the result. Ruslan is a…”

— Dave Thompson

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“Beautiful job, I’m so pleased. Ruslan is very knowledgable, flagged any potential issues early and advised me on what I could preserve from the existing f…”

— Rosa O'Mara

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“I went to visit Wood4Floors to see some samples, and had a super helpful man show me some things and gave me a few full sized samples of herringbone flooring.…”

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Not sure which way to go?

Tell us the room, whether there is a shower, and how good the ventilation is, and we will tell you straight whether we would fit a wood floor in it. If the answer is no we will say so. Samples are free either way.

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