Septic tank
Septic tank for sale on Ireland's largest auction and classifieds sites
Septic tank cube - septic, litres - £172.30
Septic tank con • Man not - Free postage - New and Used
Septic tank con • Man not - Free postage - New and Used
Envii septic klear bacterial - septic, - £13.95
Envii septic klear • From removing sludge • Your pond helping - Free postage - New and Used
Envii septic klear • From removing sludge • Your pond helping - Free postage - New and Used
Septic tank epic - epic, litres - £858.40
Epic septic tank • Tanks are compact • Lightweight making installation - Free postage - New and Used
Epic septic tank • Tanks are compact • Lightweight making installation - Free postage - New and Used
Septic tank cube - tank, 1000 - £182.70
All fittings are • Fitted level septic • Tank con man - Free postage - New and Used
All fittings are • Fitted level septic • Tank con man - Free postage - New and Used
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Marsh horizontal septic - horizontal, tank - £1500.00
High water table • They are also • Preferred option sites - Free postage - New and Used
High water table • They are also • Preferred option sites - Free postage - New and Used
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48 listings · from £12.99 · avg £146.11
⚠️ These listings were last updated more than 11 days ago.
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Browse 48 septic tank listings currently in our index. Prices range from £12.99 to £1500, with an average of £146.11. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about septic tank →
Septic tank treatment plant - tank,, - £491.20
Septic tank converter • Upgrade high quality • Product manufactured united - Free postage - New and Used
Septic tank converter • Upgrade high quality • Product manufactured united - Free postage - New and Used
Prokleen macerator toilet - macerator, - £18.95
Prokleen toilet macerator • Cleaner descaler safe • Septic tanks saniflo - Free postage - New and Used
Prokleen toilet macerator • Cleaner descaler safe • Septic tanks saniflo - Free postage - New and Used
Septico septic tank - -, - £12.99
Made united kingdom • This unit help • Maintain balance bacteria - Free postage - New and Used
Made united kingdom • This unit help • Maintain balance bacteria - Free postage - New and Used
Septic tank cube - tank, build - £73.50
All fittings needed • Build yourself cube • Septic tank save - Free postage - New and Used
All fittings needed • Build yourself cube • Septic tank save - Free postage - New and Used
Studor maxi filtra replacement - maxi-filtra, - £28.45
Studor maxi filtra • Active carbon filter • Operates two way - Free postage - New and Used
Studor maxi filtra • Active carbon filter • Operates two way - Free postage - New and Used
Septic saver pods sewage - saver, - £17.34
Boost your septic • Saver pods use • Natural bacteria break - Free postage - New and Used
Boost your septic • Saver pods use • Natural bacteria break - Free postage - New and Used
Green gobbler septic saver - gobbler, - £18.32
Read more great • Household systems commercial • Rvs mobile homes - Free postage - New and Used
Read more great • Household systems commercial • Rvs mobile homes - Free postage - New and Used
Septic tank care bio - tank, - £24.95
Monthly use bio • Active will help • Reduce surface bottom - Free postage - New and Used
Monthly use bio • Active will help • Reduce surface bottom - Free postage - New and Used
Manhole cover and frame - and, - £40.89
Septic tanks equipped • Galvanized iron lifting • Ring allowing one - Free postage - New and Used
Septic tanks equipped • Galvanized iron lifting • Ring allowing one - Free postage - New and Used
250w pump septic tank - pump, & - £100.02
Pump warranty will • Used pumping anything • Other than sewage - Free postage - New and Used
Pump warranty will • Used pumping anything • Other than sewage - Free postage - New and Used
Septico septic tank - septic, - £33.99
Made united kingdom • This unit help • Maintain balance bacteria - Free postage - New and Used
Made united kingdom • This unit help • Maintain balance bacteria - Free postage - New and Used
Sewage treatment plant - treatment, - £536.40
This without doubt • Cheapest compact sewage • Station available direct - Free postage - New and Used
This without doubt • Cheapest compact sewage • Station available direct - Free postage - New and Used
Natotela manhole cover - natotela, - £49.00
- Free postage - New and Used
- Free postage - New and Used
Manhole cover and - cover, - £31.93
Durable material steel • Reinforced manhole covers • Are made from - Free postage - New and Used
Durable material steel • Reinforced manhole covers • Are made from - Free postage - New and Used
Studor 20297 maxi - studor, maxi-filtra - £78.42
Eliminates sewer gases • From entering buildings • Polluting surrounding areas - Free postage - New and Used
Eliminates sewer gases • From entering buildings • Polluting surrounding areas - Free postage - New and Used
Septico septic tank - -, - £19.99
Made united kingdom • This unit help • Maintain balance bacteria - Free postage - New and Used
Made united kingdom • This unit help • Maintain balance bacteria - Free postage - New and Used
Waste tank treatment - tank, - £24.95
Monthly use bio • Active will help • Reduce surface bottom - Free postage - New and Used
Monthly use bio • Active will help • Reduce surface bottom - Free postage - New and Used
Natotela manhole - natotela, - £36.99
Utility handle ring • Design our septic • Tank lid galvanized - Free postage - New and Used
Utility handle ring • Design our septic • Tank lid galvanized - Free postage - New and Used
Green gobbler septic saver - gobbler, - £17.42
Simply drop pod • Into your main • Floor toilet once - Free postage - New and Used
Simply drop pod • Into your main • Floor toilet once - Free postage - New and Used
Green gobbler septic saver - septic, - £19.57
Simply drop pod • Into your main • Floor toilet once - Free postage - New and Used
Simply drop pod • Into your main • Floor toilet once - Free postage - New and Used
Effective septic tank - septic, - £36.99
Effective septic tank • Cleaner septo boost • Discover elegant efficiency - Free postage - New and Used
Effective septic tank • Cleaner septo boost • Discover elegant efficiency - Free postage - New and Used
Manhole cover and - manhole, frame - £31.95
Fiberglass 300x300mm square • Septic tank lid • Access inspection cover - Free postage - New and Used
Fiberglass 300x300mm square • Septic tank lid • Access inspection cover - Free postage - New and Used
Prokleen macerator toilet - prokleen, - £49.95
Prokleen toilet macerator • Cleaner descaler 20l • Safe septic tanks - Free postage - New and Used
Prokleen toilet macerator • Cleaner descaler 20l • Safe septic tanks - Free postage - New and Used
In tall septic - 20, 18 - £155.17
Vpc tank risers • Allow you access • Manhole opening your - Free postage - New and Used
Vpc tank risers • Allow you access • Manhole opening your - Free postage - New and Used
Studor maxi filtra - septic, tank - £63.05
This studor maxi • Filtra septic tank • Drain vent high - Free postage - New and Used
This studor maxi • Filtra septic tank • Drain vent high - Free postage - New and Used
20297 maxi filtra - 20297, septic - £76.74
Eliminates sewer gases • From entering buildings • Polluting surrounding areas - Free postage - New and Used
Eliminates sewer gases • From entering buildings • Polluting surrounding areas - Free postage - New and Used
Drainage septic tank pump - drainage, & - £100.02
Pump warranty will • Used pumping anything • Other than sewage - Free postage - New and Used
Pump warranty will • Used pumping anything • Other than sewage - Free postage - New and Used
Sewage treatment plant - treatment, - £536.40
This without doubt • Cheapest compact sewage • Station available direct - Free postage - New and Used
This without doubt • Cheapest compact sewage • Station available direct - Free postage - New and Used
Studor maxi filtra two way - two, - £146.45
Studor maxi filtra • Active carbon filter • Operates two way - Free postage - New and Used
Studor maxi filtra • Active carbon filter • Operates two way - Free postage - New and Used
Septic tank treatment - septic, - £536.40
Chamber 960mm tall • 670mm dia inside • There choice 35mm - Free postage - New and Used
Chamber 960mm tall • 670mm dia inside • There choice 35mm - Free postage - New and Used
Prokleen macerator toilet - prokleen, - £38.95
Prokleen toilet macerator • Cleaner descaler 15l • Safe septic tanks - Free postage - New and Used
Prokleen toilet macerator • Cleaner descaler 15l • Safe septic tanks - Free postage - New and Used
Professional bio active septic - professional, bio-active - £24.95
Monthly use bio • Active will help • Reduce surface bottom - Free postage - New and Used
Monthly use bio • Active will help • Reduce surface bottom - Free postage - New and Used
Green gobbler septic saver - gobbler, - £19.07
Simply drop pod • Into your main • Floor toilet once - Free postage - New and Used
Simply drop pod • Into your main • Floor toilet once - Free postage - New and Used
Two way carbon filter - way, - £29.70
- Free postage - New and Used
- Free postage - New and Used
In tall septic - x, - £117.84
Vpc tank risers • Allow you access • Manhole opening your - Free postage - New and Used
Vpc tank risers • Allow you access • Manhole opening your - Free postage - New and Used
Green gobbler septic saver - gobbler, - £17.21
Simply drop pod • Into your main • Floor toilet once - Free postage - New and Used
Simply drop pod • Into your main • Floor toilet once - Free postage - New and Used
Studor maxi filtra carbon - maxi-filtra, - £120.00
Studor maxi filtra • Active carbon filter • Operates two way - Free postage - New and Used
Studor maxi filtra • Active carbon filter • Operates two way - Free postage - New and Used
Studor 20297 maxi - studor, - £82.99
Eliminates sewer gases • From entering buildings • Polluting surrounding areas - Free postage - New and Used
Eliminates sewer gases • From entering buildings • Polluting surrounding areas - Free postage - New and Used
Bio active septic - tank, care - £24.95
Monthly use bio • Active will help • Reduce surface bottom - Free postage - New and Used
Monthly use bio • Active will help • Reduce surface bottom - Free postage - New and Used
Effective septic tank - septic, - £35.99
Your septic system • Powerful cleaning solution • Specifically clean maintain - Free postage - New and Used
Your septic system • Powerful cleaning solution • Specifically clean maintain - Free postage - New and Used
Septic checker check when - check, - £141.00
Septic checker all • You have remove • From its carrying - Free postage - New and Used
Septic checker all • You have remove • From its carrying - Free postage - New and Used
In tall septic - 24, x - £155.63
Vpc this riser • Extend access point • Your septic tank - Free postage - New and Used
Vpc this riser • Extend access point • Your septic tank - Free postage - New and Used
Polylok septic tank - polylok, pl-68 - £69.12
New polylok effluent • Filter housing - Free postage - New and Used
New polylok effluent • Filter housing - Free postage - New and Used
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Everything you need to know about septic tank
Whether you are looking for a brand-new or second-hand septic tank, eBay offers one of the largest selections available online. With 48 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £12.99, while premium listings can reach £1500 — giving you a wide budget spread to work with. The average price of £146.11 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.