Call us : 0161 706 0479  sales@streetsolutionsuk.com

  • Bulk pricing

    on every line

  • Next-day delivery

    from UK stock

  • Trusted by 50,000+

    customers

  • No minimum order
1 2
Street Solutions UK  ·  SKU: 2071269

Flat Underground 400 Litre Water Tank - V2

Flat underground 400 litre water tank, one-piece MDPE construction. Up to 4in pipe connections, 12in lid. Made in the UK, 10 year warranty.

£553.33 each, ex VAT
£663.99 inc VAT
Ships in 15 to 20 working days
Buy more, pay less Per unit, ex VAT. Applied automatically.
Ships in 15 to 20 working days

Formal quote back in 3 hours. No account needed.

Quote in 3 hours No account needed
  • Made in the UK
  • Next Day Delivery Available
How to Pay
  • Pay in 30 days with a Trade Account. No fees.
  • UK stock. Stock and lead time are shown above.
  • Seen it cheaper? We beat any genuine quote. 0161 706 0479
You may also like

Other underground water tanks in the range

See all water tanks ›
10,000 Litre Underground Water TankUnderground Water Tanks
£2,971.66 ex VAT £3,565.99 inc VAT
15,000 Litre Underground Water TankUnderground Water Tanks
£3,557.49 ex VAT £4,268.99 inc VAT
Ultra Low Dig 1500 Litre Underground Water TankUnderground Water Tanks
£1,396.66 ex VAT £1,675.99 inc VAT

You may be looking for

Site Equipment & Safety Water Tanks
Why it works

Built for long-term underground use

One-piece moulding

Rotationally moulded as a single piece from MDPE for strength and long-term durability underground.

Cuttable extended neck

The extended neck can be trimmed on site to match your installation depth.

Up to 4 inch connections

Up to 4 inch (110mm) pipe connections match standard UK underground pipe fittings.

12 inch access lid

A 12 inch lid on the raised neck gives room to fit and service a submersible pump.

10 year warranty

Made in the UK and covered against manufacturing defects for 10 years.
Overview

Flat Underground 400 Litre Water Tank V2 - Overview

The Flat Underground 400 Litre Water Tank - V2 is a low, flat tank built for burial in shallow or space-limited ground, connecting into standard UK underground pipework. It's made as one piece from MDPE and backed by a 10 year warranty.
400litre
Capacity
925mm
Height
1240mm
Length
35kg
Empty weight
Dimensions
Height925mm
Width1000mm
Length1240mm
OutletUp to 4"
Access12" lid
Details
MaterialMDPE (Medium Density Polyethylene)
Capacity400 litres
Weight35kg
OriginMade in the UK
Warranty10 years against manufacturing defects

Frequently asked questions

How much space do I need to bury this tank?
It's a flat, low-profile design at 925mm high, 1000mm wide and 1240mm long, made to fit into shallow or space-limited ground.

Can I trim the neck to fit my installation depth?
Yes - the extended neck is designed to be cut down on site so you can match it to the depth you're burying it at.

What pipework does it connect to?
It takes up to 4 inch (110mm) pipe connections, matching standard UK underground pipe fittings, plus a 1 inch BSP outlet supplied undrilled for external pump connections.

Can I link more than one tank together?
Yes - multiple tanks can be connected together using 4 inch drainage pipe if you need more capacity than one tank provides.

What are the filter and tap system options for?
You can add a large underground water filter and an external tap system as options, selected from the variant choices above.

Is there room to fit a submersible pump?
Yes - the 12 inch lid on the raised neck gives enough room to install and service a submersible water pump.

What is the tank made from and how long is it guaranteed?
It's rotationally moulded as one piece from MDPE and made in the UK, with a 10 year warranty against manufacturing defects.

Get a quote in 3 hours

Trade accounts welcome

Our teams are available on 0161 706 0479

Payment & data security

Back to top