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Leasing Round 6 DIGITAL AERIAL SURVEY (DAS) SUPPLIER

The Crown Estate

This public procurement record has 3 releases in its history.

Tender

10 Jul 2026 at 16:43

UK4 - Tender Notice
PlanningUpdate

28 May 2026 at 11:46

UK2 - Preliminary Market Engagement Notice
Planning

27 May 2026 at 11:54

UK2 - Preliminary Market Engagement Notice
Summary of the contracting process

The Crown Estate is actively seeking tenders for a Digital Aerial Survey (DAS) supplier under its Leasing Round 6 offshore wind programme. This opportunity, titled "Leasing Round 6 DIGITAL AERIAL SURVEY (DAS) SUPPLIER," is aimed at providing comprehensive ecological surveys across designated Project Development Areas in the UK. The procurement process, currently in the tender stage, involves an open, competitive flexible procedure. The tender calls for one supplier to manage a 24-month programme, beginning in November 2026, and the contract will last for an initial 33-month term. Vital procurement activities will include monthly manned aerial surveys covering birds, marine mammals, and megafauna, with outputs supporting Environmental Impact Assessments (EIA) and Habitats Regulations Assessments (HRA). The tender period is set to conclude on 20 August 2026, with the award anticipated by November of the same year.

This tender presents substantial opportunities for businesses specialising in environmental services, offshore services, and engineering-related scientific and technical services. With a gross value of up to £5 million, companies with capabilities in digital aerial surveys, data analysis, and environmental monitoring can leverage this contract to significantly expand their portfolios and establish a prominent role in the renewable energy sector, particularly within offshore wind projects. The structure of the procurement process encourages comprehensive submissions focusing on quality and commercial criteria, providing an advantageous environment for businesses experienced in executing large-scale ecological surveys and data analyses. This tender is particularly suitable for firms equipped with personnel and technology adept at managing rigorous survey and reporting standards necessary for government projects.

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Notice Information

Notice Title

Leasing Round 6 DIGITAL AERIAL SURVEY (DAS) SUPPLIER

Notice Description

The Crown Estate is procuring a single supplier to deliver a 24-month Digital Aerial Survey (DAS) programme for birds, marine mammals and megafauna across the Project Development Areas (PDAs) designated under Leasing Round 6 (LR6) of its offshore wind programme. The requirement covers monthly survey flights using manned aircraft only, data capture, processing, species identification, analysis and reporting across all LR6 PDAs and associated buffer zones. Outputs must be suitable for use in Environmental Impact Assessment (EIA) and Habitats Regulations Assessment (HRA) for offshore wind development. The contract is for an initial 33-month term commencing November 2026.

Planning Information

The Crown Estate intends to undertake a structured programme of preliminary market engagement to inform the design of the forthcoming procurement for a Digital Aerial Survey (DAS) supplier as part of Leasing Round 6. The scope of this engagement will cover technical delivery requirements (including survey methodology, aircraft and data acquisition approaches), commercial arrangements (including pricing models and contract duration), and legal considerations (including liability and third‑party reliance on survey data). Feedback is sought from suppliers with relevant experience and capability in offshore aerial survey and environmental monitoring. Engagement will be conducted through a combination of: A written Market Engagement Questionnaire (MEQ) issued to interested suppliers Optional 1:1 supplier engagement sessions (virtual, via Microsoft Teams) to explore responses in further detail The anticipated engagement period is May to June 2026, with 1:1 sessions expected to take place during this period at mutually agreed times. No in-person events are currently planned. Suppliers wishing to participate should submit an expression of interest by contacting:

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-06a5f0
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/065346-2026
Current Stage
Tender
All Stages
Planning, Tender

Procurement Classification

Notice Type
UK4 - Tender Notice
Procurement Type
Standard
Procurement Category
Services
Procurement Method
Open
Procurement Method Details
Competitive flexible procedure
Tender Suitability
Not specified
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

71 - Architectural, construction, engineering and inspection services

76 - Services related to the oil and gas industry

90 - Sewage, refuse, cleaning and environmental services

CPV Codes

71350000 - Engineering-related scientific and technical services

76520000 - Offshore services

90700000 - Environmental services

Notice Value(s)

Tender Value
£4,000,000 £1M-£10M
Lots Value
£4,000,000 £1M-£10M
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
10 Jul 20262 months ago
Submission Deadline
20 Aug 2026Expired
Future Notice Date
Not specified
Award Date
Not specified
Contract Period
2 Nov 2026 - 31 Jul 2029 2-3 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
The Crown Estate
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
LONDON
Postcode
SW1Y 4AH
Postcode Area
South West London
Country
England
Major Region (ITL 1)
TLI London
Basic Region (ITL 2)
TLI3 Inner London - West
Small Region (ITL 3)
TLI35 Westminster and City of London
Delivery Location
TLC North East (England), TLD North West (England), TLE Yorkshire and The Humber, TLF East Midlands (England), TLG West Midlands (England), TLH East (England), TLI London, TLJ South East (England), TLK South West (England)
Local Authority
Westminster
Electoral Ward
St James's
Westminster Constituency
Cities of London and Westminster

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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