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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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Chatsworth Traditional Blue Small Vanity - 400mm Wide Large Image

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£249.95

The stock status is In Stock

In Stock

4

4 out of 5 review stars
Milan W400 x D222mm Gloss Grey Compact Floor Standing Basin Unit Large Image

£139.95

The stock status is In Stock

In Stock

1

5 out of 5 review stars
Milan W400 x D222mm Stone Grey Compact Floor Standing Basin Unit Large Image

£139.95

The stock status is In Stock

In Stock

2

4.5 out of 5 review stars
C400BLUBB

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Premium

£259.95

Finance from £9.74/month

The stock status is In Stock

In Stock

Chatsworth Traditional Grey 400mm Small Vanity with Brushed Brass Handle

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£259.95

Finance from £9.74/month

The stock status is In Stock

In Stock

Milan W400 x D222mm Grey Avola Effect Compact Floor Standing Basin Unit Large Image

£139.95

The stock status is In Stock

In Stock

8

4.2 out of 5 review stars
C400GRNBB

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£259.95

Finance from £9.74/month

The stock status is In Stock

In Stock

Milan W400 x D222mm Grey Avola Effect Compact Wall Hung Basin Unit Large Image

£119.95

The stock status is In Stock

In Stock

1

5 out of 5 review stars
Milan W400 x D222mm Gloss Grey Compact Wall Hung Basin Unit Large Image

£119.95

The stock status is In Stock

In Stock

135

£229.95

The stock status is In Stock

In Stock

C400WHTBB

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£259.95

Finance from £9.74/month

The stock status is In Stock

In Stock

Roxbury Deco Fluted 400mm Green Floor Standing Cloakroom Vanity Unit
Hudson Reed Fusion 400mm Gloss White Full Depth Wall Hung Unit & Basin Large Image

£214.95

The stock status is In Stock

In Stock

1

5 out of 5 review stars
Chatsworth Traditional Graphite 400mm Small Vanity with Brushed Brass Handle

SPACE SAVER

Premium

£259.95

Finance from £9.74/month

The stock status is In Stock

In Stock

1

5 out of 5 review stars
VitrA Evi Gloss Anthracite 400mm Compact Wall Hung 1-Door Vanity Unit
Roxbury Deco Fluted 400mm White Wall Hung Cloakroom Vanity Unit

£229.95

The stock status is In Stock

In Stock

Roxbury Deco Fluted 400mm Anthracite Grey Floor Standing Cloakroom Vanity Unit
Hudson Reed Fusion 400mm Hacienda Black Full Depth Wall Hung Unit & Basin

£214.95

The stock status is In Stock

In Stock

1

5 out of 5 review stars
VitrA Evi Gloss Anthracite 400mm Compact Floor Standing 1-Door Vanity Unit

£299.95

Finance from £11.24/month

The stock status is In Stock

In Stock

VitrA Evi Gloss White 400mm Compact Floor Standing 1-Door Vanity Unit

£299.95

Finance from £11.24/month

The stock status is In Stock

In Stock

1

5 out of 5 review stars
VitrA Evi Gloss White 400mm Compact Wall Hung 1-Door Vanity Unit

£239.95

The stock status is In Stock

In Stock

Roxbury Deco Fluted 400mm Anthracite Grey Wall Hung Cloakroom Vanity Unit

£229.95

The stock status is In Stock

In Stock

1

5 out of 5 review stars
Roxbury Deco Fluted 400mm Grey Floor Standing Cloakroom Vanity Unit
Nuie Vault 400mm Hacienda Black Compact Wall Hung Vanity Basin Unit Large Image
Hudson Reed Fusion 400mm Gloss Grey Full Depth Wall Hung Unit & Basin Large Image
Hudson Reed 400mm Gloss Grey Wall Hung Compact Unit & Basin Large Image

£179.95

The stock status is In Stock

In Stock

Hudson Reed 400mm Hacienda Black Wall Hung Compact Unit & Basin

£194.95

The stock status is In Stock

In Stock

Roxbury Deco Fluted 400mm Grey Wall Hung Cloakroom Vanity Unit

£229.95

The stock status is In Stock

In Stock

123

£229.95

The stock status is In Stock

In Stock

Roxbury Deco Fluted 400mm Green Wall Hung Cloakroom Vanity Unit

£229.95

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