Sewage Treatment Plant Construction Tenders and Contracts

Sewage treatment plant construction tenders are notices for building new sewage treatment works, wastewater treatment plants and related pumping stations, along with major upgrades to existing plants. They can cover civil engineering, mechanical and electrical installation, or full turnkey construction.

Stotles brings together sewage treatment plant tenders and contracts from 100+ portals into one search, so you do not have to check each portal separately, and you can set alerts for new opportunities across the UK and Ireland.

If you want to search the government portals directly, Find a Tender carries higher-value contracts across the UK and Contracts Finder carries lower-value contracts in England. Public Contracts Scotland, Sell2Wales and eTendersNI cover Scotland, Wales and Northern Ireland, Ireland's eTenders covers Irish public bodies, and many councils, NHS bodies and housing associations publish on their own e-tendering portals such as ProContract. Water companies let capital works and process equipment through their own frameworks and dynamic markets under the utilities rules, while councils tender smaller package plant work one site at a time.

Sewage treatment tenders are scored on process design, compliance with discharge permits, programme, whole-life cost and safety record. Water company frameworks run for a full investment period, so a framework place opens up repeat schemes.

Treatment works must meet Environment Agency or SEPA discharge permit conditions, and site work brings duties under the Construction (Design and Management) Regulations 2015. Tenders usually set minimum insurance cover, check financial standing and ask for evidence of similar contracts at selection stage. Under the Procurement Act 2023, suppliers can be excluded for certain criminal convictions, insolvency or failure to pay tax.

Water and sewerage companies commission much of this work, alongside local councils managing smaller treatment facilities. Housing developers and site owners also procure standalone treatment plants for new developments.

Read asset management plans, capital investment programmes, plant condition surveys and early market engagement notices, which show work coming due ahead of a notice. On Stotles you can track those signals and the water companies and councils behind them, then follow a notice from pre-tender through to award.

Sewage treatment notices carry 45232421 (Sewage treatment works), 45232420 (Sewage work), 45232422 (Sludge-treatment works) and 90420000 (Sewage treatment services).