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Sustainable Drainage and Habitat Restoration Framework

Southern Water Services Limited

This public procurement record has 1 release in its history.

Tender

30 Jan 2026 at 13:49

UK4 - Tender Notice
Summary of the contracting process

Southern Water Services Limited is currently engaged in an active tender process for its "Sustainable Drainage and Habitat Restoration Framework" project, seeking suppliers to provide services across several industry categories including land management, biodiversity improvement, sustainable drainage systems, habitat restoration, and environmental monitoring. The procurement stage is currently at the tender phase, with key activities taking place in the South East of England (UKJ). Important dates include the end of the enquiry period on 20th February 2026 and the tender submission deadline on 4th March 2026. The framework has an estimated value of £1.3 billion (excluding VAT), with a comprehensive timeline for project delivery from 2026 to 2031, extendable by up to three years. The procurement employs an open method under a competitive flexible procedure.

This tender presents a significant opportunity for businesses in the environmental services and consultancy sectors to expand their operations and establish a partnership with a major utility provider. The inclusion of multiple lots and specialised areas like biodiversity net gain and SuDS makes it particularly advantageous for small and medium-sized enterprises (SMEs) and voluntary, community, and social enterprises (VCSEs) that can offer tailored, high-quality solutions. The framework arrangement allows suitable businesses to engage in long-term partnerships and secure substantial financial commitments, thereby driving business growth and sector innovation.

How relevant is this notice?

Notice Information

Notice Title

Sustainable Drainage and Habitat Restoration Framework

Notice 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

Lot Information

Land Management

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.

Renewal: Option to extend by up to a further 3 years.

Biodiversity Improvement and Biodiversity Net Gain (BNG) - BNG Project Work

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.

Renewal: Option to extend by up to a further 3 years.

Biodiversity Improvement and Biodiversity Net Gain (BNG) - Purcahase of BNG Units

This covers Biodiversity Improvement and Biodiversity Net Gain (BNG) - Purcahase of BNG Units.

Renewal: Option to extend by up to a further 3 years.

SuDS: Sustainable Drainage Systems

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.

Renewal: Option to extend by up to a further 3 years.

Habitat Restoration

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.

Renewal: Option to extend by up to a further 3 years.

Environmental Monitoring

Environmental monitoring and modelling to include field work, citizen science, data sharing, analysis and project reporting.

Renewal: Option to extend by up to a further 3 years.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-06130a
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/008485-2026
Current Stage
Tender
All Stages
Tender

Procurement Classification

Notice Type
UK4 - Tender Notice
Procurement Type
Framework
Procurement Category
Services
Procurement Method
Open
Procurement Method Details
Competitive flexible procedure
Tender Suitability
SME, VCSE
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

45 - Construction work

71 - Architectural, construction, engineering and inspection services

80 - Education and training services

90 - Sewage, refuse, cleaning and environmental services

CPV Codes

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

Notice Value(s)

Tender Value
£1,300,000,000 £1B-£10B
Lots Value
£1,300,000,000 £1B-£10B
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
30 Jan 20266 months ago
Submission Deadline
4 Mar 2026Expired
Future Notice Date
Not specified
Award Date
Not specified
Contract Period
24 Jun 2026 - 23 Jun 2031 Over 5 years
Recurrence
Not specified

Notice Status

Tender Status
Active
Lots Status
Active
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
Southern Water Services Limited
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
WORTHING
Postcode
BN13 3NX
Postcode Area
Brighton
Country
England
Major Region (ITL 1)
TLJ South East (England)
Basic Region (ITL 2)
TLJ2 Surrey, East and West Sussex
Small Region (ITL 3)
TLJ27 West Sussex (South West)
Delivery Location
TLJ South East (England)
Local Authority
Worthing
Electoral Ward
Northbrook
Westminster Constituency
Worthing West

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

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The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

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