Scope
Reference
Prj_7469
Description
The objective of this tender is select suppliers to provide Sustainable Drainage and Habitat Restoration services. Bidders may submit proposals for any or all of the following Lots:
Lot 1: Land Management
Lot 2A: Biodiversity Improvement and Biodiversity Net Gain (BNG) - BNG Project Work
Lot 2B: Biodiversity Improvement and Biodiversity Net Gain (BNG) - Purchase of BNG Units
Lot 3: SuDS: Sustainable Drainage Systems
Lot 4: Habitat Restoration
Lot 5: Environmental Monitoring
Commercial tool
Establishes a framework
Total value (estimated)
- £1,300,000,000 excluding VAT
- £1,560,000,000 including VAT
Above the relevant threshold
Contract dates (estimated)
- 24 June 2026 to 23 June 2031
- Possible extension to 23 June 2034
- 8 years
Description of possible extension:
Option to extend by up to a further 3 years.
Main procurement category
Services
CPV classifications
- 45262640 - Environmental improvement works
- 71313000 - Environmental engineering consultancy services
- 80540000 - Environmental training services
- 90700000 - Environmental services
- 90710000 - Environmental management
- 90711500 - Environmental monitoring other than for construction
- 90722000 - Environmental rehabilitation
Contract locations
- UKJ - South East (England)
Lot 1. Land Management
Description
Catchment and Nature Based Solutions including land management and pollution management advice, surveys, design, delivery and optioneering. To include outreach and education campaign services in the community such as schools and stakeholder groups.
Lot value (estimated)
- £1,300,000,000 excluding VAT
- £1,560,000,000 including VAT
Framework lot values may be shared with other lots
Same for all lots
CPV classifications, contract locations and contract dates are shown in the Scope section, because they are the same for all lots.
Lot 2A. Biodiversity Improvement and Biodiversity Net Gain (BNG) - BNG Project Work
Description
Catchment, green infrastructure and Nature Based Solutions for biodiversity improvement including Biodiversity Net Gain (BNG) advice, surveys, metrics, design, delivery, long term assessment monitoring, administrative agreements, maintenance and optioneering. To include outreach and education campaign services in the community such as schools and stakeholder groups.
Lot value (estimated)
- £1,300,000,000 excluding VAT
- £1,560,000,000 including VAT
Framework lot values may be shared with other lots
Same for all lots
CPV classifications, contract locations and contract dates are shown in the Scope section, because they are the same for all lots.
Lot 2B. Biodiversity Improvement and Biodiversity Net Gain (BNG) - Purcahase of BNG Units
Description
This covers Biodiversity Improvement and Biodiversity Net Gain (BNG) - Purcahase of BNG Units.
Lot value (estimated)
- £1,300,000,000 excluding VAT
- £1,560,000,000 including VAT
Framework lot values may be shared with other lots
Same for all lots
CPV classifications, contract locations and contract dates are shown in the Scope section, because they are the same for all lots.
Lot 3. SuDS: Sustainable Drainage Systems
Description
Catchment, green infrastructure and Nature Based Solutions including Sustainable Drainage (SuDS) advice, design, delivery and optioneering. To include outreach and education campaign services in the community such as schools and stakeholder groups.
Lot value (estimated)
- £1,300,000,000 excluding VAT
- £1,560,000,000 including VAT
Framework lot values may be shared with other lots
Same for all lots
CPV classifications, contract locations and contract dates are shown in the Scope section, because they are the same for all lots.
Lot 4. Habitat Restoration
Description
Habitat Restoration including terrestrial and river restoration scheme design, assessments, delivery, ongoing management and optioneering. To include outreach and education campaign services in the community such as schools and stakeholder groups.
Lot value (estimated)
- £1,300,000,000 excluding VAT
- £1,560,000,000 including VAT
Framework lot values may be shared with other lots
Same for all lots
CPV classifications, contract locations and contract dates are shown in the Scope section, because they are the same for all lots.
Lot 5. Environmental Monitoring
Description
Environmental monitoring and modelling to include field work, citizen science, data sharing, analysis and project reporting.
Lot value (estimated)
- £1,300,000,000 excluding VAT
- £1,560,000,000 including VAT
Framework lot values may be shared with other lots
Same for all lots
CPV classifications, contract locations and contract dates are shown in the Scope section, because they are the same for all lots.
Framework
Maximum number of suppliers
Unlimited
Maximum percentage fee charged to suppliers
0%
Framework operation description
Full details provided in the tender documents
Award method when using the framework
Either with or without competition
Contracting authorities that may use the framework
Establishing party only
Participation
Legal and financial capacity conditions of participation
Lot 1. Land Management
Lot 2A. Biodiversity Improvement and Biodiversity Net Gain (BNG) - BNG Project Work
Lot 2B. Biodiversity Improvement and Biodiversity Net Gain (BNG) - Purcahase of BNG Units
Lot 3. SuDS: Sustainable Drainage Systems
Lot 4. Habitat Restoration
Lot 5. Environmental Monitoring
See tender documents
Technical ability conditions of participation
Lot 1. Land Management
Lot 2A. Biodiversity Improvement and Biodiversity Net Gain (BNG) - BNG Project Work
Lot 2B. Biodiversity Improvement and Biodiversity Net Gain (BNG) - Purcahase of BNG Units
Lot 3. SuDS: Sustainable Drainage Systems
Lot 4. Habitat Restoration
Lot 5. Environmental Monitoring
See tender documents
Particular suitability
Lot 1. Land Management
Lot 2A. Biodiversity Improvement and Biodiversity Net Gain (BNG) - BNG Project Work
Lot 2B. Biodiversity Improvement and Biodiversity Net Gain (BNG) - Purcahase of BNG Units
Lot 3. SuDS: Sustainable Drainage Systems
Lot 4. Habitat Restoration
Lot 5. Environmental Monitoring
- Small and medium-sized enterprises (SME)
- Voluntary, community and social enterprises (VCSE)
Submission
Enquiry deadline
20 February 2026, 4:00pm
Submission type
Tenders
Tender submission deadline
4 March 2026, 4:00pm
Submission address and any special instructions
The procurement documents are available for unrestricted and full direct access, free of charge, at
https://southernwater.bravosolution.co.uk/
Additional information can be obtained from the above-mentioned address
Tenders or requests to participate must be submitted electronically via
https://southernwater.bravosolution.co.uk
Tenders or requests to participate must be submitted to the above-mentioned address
If you are interested in bidding for this tender, please be aware that you will need to have registered on the central digital platform before you will be able to bid. This will require you to complete some information and then you will be provided with a unique identifier. For more information on how to register, please follow the below link:
how to register on the CDP
Tenders may be submitted electronically
Yes
Languages that may be used for submission
English
Award decision date (estimated)
23 June 2026
Award criteria
| Name | Description | Type | Weighting |
|---|---|---|---|
| Technical | Response to Technical Questions |
Quality | 60% |
| Commercial | Response to Commercial Document |
Quality | 40% |
Other information
Payment terms
See Tender documents for full details.
Conflicts assessment prepared/revised
Yes
Procedure
Procedure type
Competitive flexible procedure
Special regime
Utilities
Competitive flexible procedure description
Full details can be found in the tender documents.
Contracting authority
Southern Water Services Limited
- Public Procurement Organisation Number: PBJQ-2231-ZRPG
Southern Water, Southern House
Worthing
Bn13 3NX
United Kingdom
Region: UKJ27 - West Sussex (South West)
Organisation type: Private utility