Sewage Treatment Plants
The Septic Tank Store offers Sewage Treatment Plants from industry leaders Bio-Pure, Graf, Marsh, Biorock and WPL. All are CE Certified to EN standards.
Sewage Treatment Plants are an eco-friendly solution for when access to mains sewage drainage is not possible. The discharge is non-polluting which means it can normally discharge to a stream or ditch if one is available meeting the new binding rules that came into force in 2020.
Domestic Sewage Treatment Systems are sized on the number of bedrooms in the property. This means that even if you are only two people living in a three bedroom property, we recommend you size the sewage system for the number of bedrooms to save issues in the future. Take a look at our page on ‘How to size a Sewage Treatment Plant’.
If you need some help in making your decision, our friendly team are happy to help. We also offer an installation service, so if you would like the peace of mind of having your treatment system installed by experienced engineers, please contact us.
Showing 1–16 of 34 results
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1-4 Bedrooms
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5-6 Bedrooms
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7-8 Bedrooms
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Larger Houses & Commercial
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Bio-Pure 1 Sewage Treatment Plant 1-5 Person
£2,475.00 – £2,925.00 EX VAT Select options This product has multiple variants. The options may be chosen on the product page -
Bio-Pure 2 Sewage Treatment Plant 1-7 Person
£2,601.00 – £3,051.00 EX VAT Select options This product has multiple variants. The options may be chosen on the product page -
Bio-Pure 3 Sewage Treatment Plant 5-13 Person
£3,310.00 – £6,110.00 EX VAT Select options This product has multiple variants. The options may be chosen on the product page -
Bio-Pure 4 Sewage Treatment Plant 10-16 Person
£4,465.00 – £7,265.00 EX VAT Select options This product has multiple variants. The options may be chosen on the product page -
Bio-Pure 5 Sewage Treatment Plant 14-22 Person
£4,675.00 – £7,475.00 EX VAT Select options This product has multiple variants. The options may be chosen on the product page -
Bio-Pure 6 Sewage Treatment Plant 20-27 Person
£6,250.00 – £9,050.00 EX VAT Select options This product has multiple variants. The options may be chosen on the product page -
Bio-Pure 7 Sewage Treatment Plant 25-32 Person
£6,880.00 – £9,680.00 EX VAT Select options This product has multiple variants. The options may be chosen on the product page -
Bio-Pure Flowpath Commercial Sewage Treatment Plant
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Graf One2Clean Sewage Treatment Plant 5 Person
£1,900.00 – £2,339.00 EX VAT Select options This product has multiple variants. The options may be chosen on the product page -
Graf One2Clean Sewage Treatment Plant 7 Person
£2,150.00 – £2,579.00 EX VAT Select options This product has multiple variants. The options may be chosen on the product page -
Graf One2Clean Sewage Treatment Plant 9 Person
£2,480.00 – £2,869.00 EX VAT Select options This product has multiple variants. The options may be chosen on the product page -
Marsh Portapura M2 Sewage Treatment Plant 2 Person
£2,631.00 EX VAT Add to basket -
Graf One2Clean Sewage Treatment Plant 10 Person
£2,820.00 – £3,553.00 EX VAT Select options This product has multiple variants. The options may be chosen on the product page -
Marsh Portapura M3 Sewage Treatment Plant 3 Person
£2,945.00 EX VAT Add to basket -
Marsh Portapura M5 Sewage Treatment Plant 5 Person
£3,360.00 EX VAT Add to basket -
Graf One2Clean Sewage Treatment Plant 14 Person
£3,472.00 – £4,204.00 EX VAT Select options This product has multiple variants. The options may be chosen on the product page