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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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£149.95

The stock status is In Stock

In Stock

8

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

£199.95

The stock status is In Stock

In Stock

1

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

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£169.95

The stock status is In Stock

In Stock

3

5 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

Chatsworth Traditional White Small Vanity - 400mm Wide Large Image

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£249.95

The stock status is In Stock

In Stock

4

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

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£139.95

The stock status is In Stock

In Stock

45

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

£199.95

The stock status is In Stock

In Stock

1

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

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£159.95

The stock status is In Stock

In Stock

2

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

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£149.95

The stock status is In Stock

In Stock

3

4.7 out of 5 review stars
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 Green Small Vanity - 400mm Wide Large Image

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

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Montrose 400mm Dove Grey Cloakroom Vanity Unit with Brushed Brass Handle

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£159.95

Was £199.95

The stock status is In Stock

In Stock

Chatsworth Traditional Grey Small Vanity - 400mm Wide

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£249.95

The stock status is In Stock

In Stock

4

5 out of 5 review stars
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

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1

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

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Montrose 400mm White Cloakroom Vanity Unit with Chrome Handle

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£149.95

Was £189.95

The stock status is In Stock

In Stock

Chatsworth Traditional Blue 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

Montrose 400mm White Cloakroom Vanity Unit with Matt Black Handle

SALE

SPACE SAVER

£159.95

Was £199.95

The stock status is In Stock

In Stock

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

SALE

SPACE SAVER

£159.95

Was £199.95

The stock status is In Stock

In Stock

1

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

SPACE SAVER

Premium

£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
Montrose 400mm Dove Grey Cloakroom Vanity Unit with Chrome Handle

SALE

SPACE SAVER

£159.95

Was £199.95

The stock status is In Stock

In Stock

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

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Progress

Recently Reviewed

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

grand

23rd September 2025

Its good. Came already built and it is nice to look at

henry foster from PERTHSHIRE- verified purchaser

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

Small and smart

27th August 2025

We did a complete re-fit of our downstairs cloakroom which measures only 2 x 0.9 metres. This unit and sink fitted very nicely along the side wall, hiding the unsightly waste and water pipes without taking up too much room. The dark colour coordinated extremely well with our new anthracite-coloured towel rail. We are very happy with our purchase.

JC Marlin from Kent- verified purchaser

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

This is a great little cabinet for a small cloakroom I've used this product a few times for my customers before and all have liked how it fits in to there space

24th August 2025

Didn't fit it for some time after delivery but after fitting it in place i noticed a small crack on the top corner of the door that is disappointing as it's probably too late to ask for a replacement door

Shenna Parfit from - verified purchaser

Chatsworth Traditional White Small Vanity - 400mm Wide Large Image

Review From Trustpilot

19th August 2025

Very nice vanity unit

Jean Twigg- verified purchaser