Septic Tank

Product Code
Septic Tanks
Only %1 left
From: £1,188.00 £990.00

Delivery is free on orders over £420 within a 70 mile radius of our depots. For orders outside a 70 mile radius of our depots, delivery costs will apply. For orders under £420, delivery costs will apply.

Delivery costs start from as little as £5.99 but is dependent on the size and weight of your order. All delivery costs are clearly stated in stage 2 of the checkout, once you have entered your delivery postcode.

About product

Under the new General Binding Rules, if you have a septic tank that discharges directly to surface water, ie, a water ditch, stream, river, etc, you must upgrade or replace your septic tank to a full sewage treatment plant system by 1st January 2020, or sooner if you plan to sell your property before this date.

The spherical tank is the simplest and most economical solution to domestic sewage disposal.

A septic tank consists of a two or three chamber system that retains sewage from a property for sufficient time to allow the solids to form into sludge at the base of the tank, where it is partially broken down through anaerobic digestion. The remaining liquid in the tank then overflows from the tank by means of an outlet pipe to a drainage field. Spherical septic tanks are manufactured as standard from 2,800 to 4,600 litres net working capacity.

When sizing a storage tank for domestic properties it must be noted that under the Building Regulations it must have a minimum capacity of 1800 litres (2 people) under Environment Agency regulations. When siting units there are a number of factors to be considered. Systems should not be positioned closer than 7 metres to any dwelling and as far as possible from any watercourse, normally not less than 10 metres.

Options available

Our septic tanks are available in the following sizes – 2800L (600 gallon), 3800L (850 gallon) and 4500L (1000 gallon).

* Please note— Adequate access to tankers for emptying should also be taken into consideration. We are able to offer a full range of tanks to suit sewage disposal, rainwater collection, pumping stations and bypass separators. Please contact us for full details, including up to date special offer prices and installation instructions. Due to the nature of this product longer lead times may apply. If your order will be affected, your local depot will get in touch and keep you updated every step of the way.


  • Tested to BSEN12566 1 and CE-marked to ensure compliance with latest environmental and Building Regulations requirements
  • Traditional ‘onion style’ tank for standard installation
  • Heavy duty shell as standard to enable installation in all ground conditions


  • Size - 2800L (600 Gal)
  • Diameter - 1870mm
  • Height - 2780mm
  • Size – 3800L
  • Diameter - tbc
  • Height - tbc
  • Size – 4500L
  • Diameter - tbc
  • Height - tbc
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