








400 mm Square Vanity Unit – Hot & Cold Water, Stylish Design & Space-Saving Storage
Designed for those who need function without sacrificing style, our 400 mm Compact Vanity Unit delivers hot and cold water as standard, whether you choose our standard or upgraded system. With a sleek gloss white finish and clever internal storage using 10L water containers, this unit is perfect for professional spaces where mains water isn't available.
Despite its compact footprint, the unit offers reliable performance and practical storage, making it ideal for salons, clinics, mobile setups, and compact workspaces.
Smart Features in a Small Footprint
Fully automatic hot (up to 60°C) and cold water system
Operates without a mains water connection
10L fresh and waste water containers – efficient use of space with some built-in storage
separate mains connections for the pump and heating component power the pump and the tap
Choose between the standard system or upgrade to a flexible mixer tap system (upgraded system includes instant water heater with separate hot and cold feeds)
What You Get
Fully built and ready to use – no assembly required
Hot & cold water included with either system
Delivered via kerbside pallet – please ensure two people are available to receive and check the delivery (drivers cannot enter the premises)
Simple setup: move to your chosen location, fill with water, plug in – and you're ready to go!
Additional Information
Child-friendly design – adult supervision recommended during use
Gloss white finish
Lead time: approx. 7-10 days
Basin and handle styles may vary depending on availability
If you're looking for a compact, modern, and functional handwash unit with true plug-and-play hot and cold water, the 400 mm Square Vanity Unit is the perfect choice for streamlined setups that don't compromise on quality or design.
Comparing sizes? Read our 400mm–600mm no-plumbing vanity unit size guide.
How the non-plumbed system works
Fresh water is stored in a clean-water container. The automatic pump draws water through the selected heating/tap system to provide running water at the basin. Used water drains into a separate waste-water container, which is removed and emptied appropriately. The non-plumbed configuration does not require a permanent mains-water feed or fixed waste connection.
Power
The electrical requirements depend on the selected Standard, Upgraded or Sensor configuration. Heating components are high-load appliances, so use the stated product specification and make sure the socket, circuit and protective devices are suitable. If you are unsure, have the proposed supply checked by a competent electrician before use. Do not assume that every socket or circuit is suitable simply because a UK plug is fitted.
Water capacity & use
Container size and quantity vary by product. Runtime per fill depends on the selected container capacity, water flow and how the unit is used, so we do not quote a fixed number of handwashes per fill. Refill the clean-water container and empty the waste container as required.
What the terms mean
- System: the pump, heating and water-delivery components.
- Complete unit: the cabinet/furniture, basin and configured water system supplied together.
- Backwash: a larger salon hair-washing basin/unit designed for hair-washing use.
Warranty
Where the standard 12-month system warranty applies, it covers the relevant water-system/mechanical components subject to the warranty terms; normal wear, cosmetic damage, misuse and unauthorised repairs are excluded. Optional extended mechanical cover is available separately: Standard Systems £79 for 1 year / £199 for 3 years; Upgraded Systems £109 / £299; Backwash Systems £149 / £409. See the relevant extended-warranty product terms for full exclusions and claim conditions.
Company & support
Custom Basins Limited · Company No. 14159761 · Unit 6 Enterprise House, Cheney Manor Industrial Estate, Swindon, SN2 2YZ · 07368 455286 · info@custombasins.co.uk. For order updates, email warehouse@custombasins.co.uk and allow up to 24 hours for a response. Returns and cancellation information is available in our Terms of Business.
400mm Square Vanity Unit & Basin
£720.00
Choose Your System
Choose tap option
Tap Size
Choose Your Tap

Small Title
Unit Colour
Top Colour
Size
Warranty
Installation Type
Tap Hand
Basin Side
Door Option
Build Option
Front / Rear Facing
Tap Set
Water Can Sizes
Extra Cans
Vinyl Wrap - Whole Unit
Basin Waste - Tap Colour Matching



Flow Capacity: 3.8 litres/min (1 US gallon/min)
Rated Power: 35W
Noise: approx. 66 dB when in use – hear it in our noise demo video
Maximum Pressure: 40psi(2.8bar)
Material: Stainless steel (silver)/ABS plastic (black)
Rated voltage: 220V
Rated frequency: 50HZ
Waterproof rating: IPX4
Rated power: 3120W
Water inlet method: bottom water inlet
Wire specification: 1.5 square millimetres
Plug: UK plug
Heating tube: stainless steel heating tube
| Standard System | Upgraded System |
| Automatic water pump | Automatic water pump |
| Fast heating tap | Instant water heater |
| Mixer tap of any colour/shape |
🔧 Understanding the Difference: Standard vs Upgraded System
At Custom Basins, every unit comes with hot and cold water as standard, but we also offer an upgraded system for clients who want greater flexibility and a more premium setup.
✅ Standard System (Included with All Units)
Our standard water system is efficient, reliable, and designed for plug-and-play convenience.
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Uses our automatic water pump for smooth operation
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Hot and cold water are delivered via a direct connection to a fast-heating tap
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No need to select or install a separate mixer tap – everything is built-in and ready to use
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Ideal for those looking for a quick, functional solution with minimal setup
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Compatible only with the tap included (mixer taps are not compatible with this system)
🔧 Upgraded System (Optional Add-On)
Perfect for clients wanting a custom look or higher-spec components.
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Also powered by our automatic water pump
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Features separate cold and hot water feeds, heated using an instant water heater
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Allows you to choose any mixer tap (compatible with your basin size)
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Great for matching taps to interior themes – pick your preferred colour, shape, or finish
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Offers more flexibility and a more refined user experience
