Scope
Reference
WMS192021STP
Description
Ashford Borough Council are advertising this opportunity on behalf of Stour Environmental Credits (SEC). As part of the development of its nutrient mitigation portfolio SEC is seeking to appoint suitable providers/installers to convert existing septic tanks and private package treatment plants to high efficacy private package treatment plants (PTPs). The upgrade generates a nutrient offset/saving (both phosphorus and nitrogen) equivalent to amount of nutrients stripped out by the new private package treatment plant compared to the old septic tank. The successful bidder(s) (the Services Provider(s) in this Procurement will provide SEC with phosphorus and nitrogen offset/saving. SEC will then trade the nutrient offset/saving as 'credits' to housebuilders/developers who need to offset the additional nutrients arising from the new houses they intend to build.
Total value (estimated)
- £20,000,000 excluding VAT
- £24,000,000 including VAT
Above the relevant threshold
Contract dates (estimated)
- 12 September 2025 to 12 September 2027
- 2 years, 1 day
Main procurement category
Services
CPV classifications
- 90700000 - Environmental services
Contract locations
- UKJ4 - Kent
Participation
Legal and financial capacity conditions of participation
All listed in the tender documents
Technical ability conditions of participation
All listed in the tender documents
Particular suitability
Small and medium-sized enterprises (SME)
Submission
Tender submission deadline
30 June 2025, 10:00am
Submission address and any special instructions
Tenders to be submitted via the Kent Business Portal https://www.kentbusinessportal.org.uk/
Tenders may be submitted electronically
Yes
Languages that may be used for submission
English
Award decision date (estimated)
28 July 2025
Award criteria
| Name | Type | Weighting |
|---|---|---|
| Quality | Quality | 60% |
| Price | Price | 40% |
Other information
Conflicts assessment prepared/revised
Yes
Procedure
Procedure type
Open procedure
Documents
Associated tender documents
https://www.kentbusinessportal.org.uk/
Procurement documents can be accessed via the Kent Business Portal.
Technical specifications to be met
https://www.kentbusinessportal.org.uk/
Procurement documents can be accessed via the Kent Business Portal.
Contracting authority
Ashford Borough Council
- Public Procurement Organisation Number: PJTC-7477-RLVM
International House, Dover Place
Ashford
TN23 1HU
United Kingdom
Email: procurement@ashford.gov.uk
Region: UKJ45 - Mid Kent
Organisation type: Public authority - sub-central government