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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

SPACE SAVER

Best seller

£149.95

The stock status is In Stock

In Stock

14

4.7 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
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
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

51

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

5

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

SPACE SAVER

Premium

£249.95

The stock status is In Stock

In Stock

2

5 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

Milan 400mm Gloss Grey Mist Small Floor Standing Vanity Basin Unit Large Image

£139.95

The stock status is In Stock

In Stock

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
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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Premium

£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

SPACE SAVER

Chatsworth Traditional Grey Small Vanity - 400mm Wide

SPACE SAVER

Premium

£249.95

The stock status is In Stock

In Stock

6

5 out of 5 review stars
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
Mode De Gale White Cloakroom 410mm Floor Standing Vanity Unit with Basin

SAVE 25%

£149.95

Was £199.95

The stock status is 38 left in stock

38 left in stock

Montrose 400mm Indigo Blue Cloakroom Vanity Unit with Chrome Handle

SPACE SAVER

£199.95

The stock status is In Stock

In Stock

BlueGreyWhite

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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

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£199.95

The stock status is In Stock

In Stock

WhiteGreyBlue

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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 Chrome Handle

SPACE SAVER

£199.95

The stock status is In Stock

In Stock

GreyBlueWhite

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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 Brushed Brass Handle

SPACE SAVER

£199.95

The stock status is In Stock

In Stock

WhiteGreyBlue

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

SPACE SAVER

£149.95

The stock status is Due 5th Mar

Due 5th Mar

2

5 out of 5 review stars
Chatsworth Traditional Green Small Vanity - 400mm Wide with Matt Black Handle Large Image

SPACE SAVER

Premium

£259.95

Finance from £9.74/month

The stock status is In Stock

In Stock

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Recently Reviewed

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

Looks great! Perfect for a cloakroom.

9th February 2026

Just the right size for a small cloakroom and looks great too!

Rachel L from ESSEX- verified purchaser

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

Shower room .

5th February 2026

I am very satisfied with all goods purchased

Eileen P from Gloucestershire- verified purchaser

Milan Small Floor Standing Vanity Basin Unit - Gloss White (W400 x D222mm) Large Image

Review From Trustpilot

1st January 2026

Good looking unit.

Mike W- verified purchaser

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 K from - verified purchaser