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400mm Vanity Units

Our range of 400mm vanity units is perfect for creating a stylish and functional bathroom, even where space is at a premium. Compact yet practical, these units make the most of every inch without compromising on design. With a variety of finishes, colours and styles to choose from, you can find the ideal fit to complete your bathroom renovation.

This collection includes a wide selection of 400mm vanity units, including cloakroom vanity units, small floor standing designs, compact wall hung basin units and full depth vanity units. You’ll find both traditional and modern options, along with space-saving models that are ideal for en-suites or smaller bathrooms.

Our 400mm vanity units come from a carefully chosen mix of trusted bathroom brands, known for their quality craftsmanship and attention to detail. Explore traditional-inspired designs from Chatsworth, versatile and stylish options from Milan Bathrooms and Cruze Bathrooms, contemporary looks from Hudson Reed, Nuie and Roxbury, as well as high quality finishes from leading names like VitrA.

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Bromley Traditional White Cloakroom Vanity Unit (Inc. Ceramic Basin) Large Image

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Best seller

£149.95

The stock status is In Stock

In Stock

11

4.6 out of 5 review stars
Bromley Traditional Black Cloakroom Vanity Unit (incl. Brushed Brass Handle) Large Image

SPACE SAVER

£169.95

The stock status is In Stock

In Stock

4

5 out of 5 review stars
Cruze 400mm Curved Gloss White Vanity Unit Large Image

£199.95

The stock status is In Stock

In Stock

2

4 out of 5 review stars
Milan 400mm Gloss Grey Mist Small Floor Standing Vanity Basin Unit Large Image

£139.95

The stock status is In Stock

In Stock

Bromley Traditional Pink Cloakroom Vanity Unit (inc. Ceramic Basin) Large Image

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£149.95

The stock status is In Stock

In Stock

2

5 out of 5 review stars
Chatsworth Traditional White Small Vanity - 400mm Wide Large Image

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Premium

£249.95

The stock status is In Stock

In Stock

4

4.8 out of 5 review stars
Bromley Traditional Blue Cloakroom Vanity Unit (inc. Ceramic Basin) Large Image

SPACE SAVER

£149.95

The stock status is In Stock

In Stock

4

4.8 out of 5 review stars
Milan Small Floor Standing PVC Vanity Basin Unit Gloss White (W400 x D220mm) 100% Waterproof

Waterproof

£159.95

The stock status is In Stock

In Stock

2

5 out of 5 review stars
Bromley Traditional White Cloakroom Vanity Unit (incl. Brushed Brass Handle) Large Image

SPACE SAVER

£159.95

The stock status is In Stock

In Stock

2

5 out of 5 review stars
Cruze 400mm Curved Gloss Grey Vanity Unit Large Image

£199.95

The stock status is In Stock

In Stock

2

5 out of 5 review stars
Milan Small Floor Standing Vanity Basin Unit - Gloss White (W400 x D222mm) Large Image

SPACE SAVER

Best seller

£139.95

The stock status is In Stock

In Stock

50

4.8 out of 5 review stars
Hudson Reed Fusion 400mm Gloss White Full Depth Unit + Basin Large Image

£179.95

The stock status is In Stock

In Stock

Chatsworth Traditional Green Small Vanity - 400mm Wide Large Image

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Premium

£249.95

The stock status is In Stock

In Stock

2

5 out of 5 review stars
Chatsworth Traditional Graphite Small Vanity - 400mm Wide Large Image

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Premium

£249.95

The stock status is In Stock

In Stock

2

5 out of 5 review stars
Montrose 400mm Dove Grey Cloakroom Vanity Unit with Brushed Brass Handle

SPACE SAVER

£199.95

The stock status is In Stock

In Stock

GreyBlueWhite

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Chatsworth Traditional Graphite Small Vanity - 400mm Wide with Antique Brass Handle

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£259.95

Finance from £9.74/month

The stock status is In Stock

In Stock

1

5 out of 5 review stars
Chatsworth Traditional Blue Small Vanity - 400mm Wide with Antique Brass Handle

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Premium

£259.95

Finance from £9.74/month

The stock status is In Stock

In Stock

Bromley Traditional White Cloakroom Vanity Unit (incl. Matt Black Handle) Large Image

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DCFSHGW

SAVE 25%

£149.95

Was £199.95

The stock status is 13 left in stock

13 left in stock

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Milan Modern Wall Hung Basin Vanity Unit - Gloss White (W400 x D222mm) Large Image

£109.95

The stock status is In Stock

In Stock

20

4.8 out of 5 review stars
Chatsworth Traditional Grey Small Vanity - 400mm Wide

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Premium

£249.95

The stock status is In Stock

In Stock

6

5 out of 5 review stars
Montrose 400mm Indigo Blue Cloakroom Vanity Unit with Chrome Handle

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£199.95

The stock status is In Stock

In Stock

BlueGreyWhite

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Montrose 400mm Indigo Blue Cloakroom Vanity Unit with Brushed Brass Handle

SPACE SAVER

£199.95

The stock status is In Stock

In Stock

BlueGreyWhite

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Montrose 400mm Dove Grey Cloakroom Vanity Unit with Matt Black Handle

SPACE SAVER

£199.95

The stock status is In Stock

In Stock

1

5 out of 5 review stars
GreyBlueWhite

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Montrose 400mm White Cloakroom Vanity Unit with Chrome Handle

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£189.95

The stock status is In Stock

In Stock

WhiteGreyBlue

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Montrose 400mm White Cloakroom Vanity Unit with Matt Black Handle

SPACE SAVER

£199.95

The stock status is In Stock

In Stock

WhiteGreyBlue

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Montrose 400mm White Cloakroom Vanity Unit with Brushed Brass Handle

SPACE SAVER

£199.95

The stock status is In Stock

In Stock

WhiteGreyBlue

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Montrose 400mm Dove Grey Cloakroom Vanity Unit with Chrome Handle

SPACE SAVER

£199.95

The stock status is In Stock

In Stock

GreyBlueWhite

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Chatsworth Traditional Green Small Vanity - 400mm Wide with Matt Black Handle Large Image

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Premium

£259.95

Finance from £9.74/month

The stock status is In Stock

In Stock

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Recently Reviewed

Bromley Traditional Black Cloakroom Vanity Unit (incl. Brushed Brass Handle) Large Image

Definitely recommend.

23rd December 2025

Bought for a small second bathroom, fits well and looks great.

Chris Knight from - verified purchaser

Cruze 400mm Curved Gloss Grey Vanity Unit Large Image

Basin and unit

22nd December 2025

Looks good.

Deborah Dennis from - verified purchaser

Cruze 400mm Curved Gloss White Vanity Unit Large Image

Vanity unit

19th December 2025

Very quick delivery, vanity all assembled saving time and missing parts good news. One small problem, slight blemish on door which I can live with apart from that all good.

Nigel Pearson from Cornwall- verified purchaser

Bromley Traditional White Cloakroom Vanity Unit (Inc. Ceramic Basin) Large Image

Nice compact Water Fountain solution

19th December 2025

Doesn't break the bank and provides a nice neat water fountain solution for us.

Andy Howard from Cambridgeshire- verified purchaser