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UK4

Trydan Environmental Baseline Framework Tender

  • First published: 21 April 2026
  • Last modified: 21 April 2026
  • Version: 1
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  • This file may not be fully accessible.

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The buyer is not using this website to administer the notice.

To record your interest or obtain additional information or documents please find instructions within the Full Notice Text. (NOTE: Contract Award Notices and Prior Information Notices do not normally require a response)

Contents

Summary

OCID:
ocds-h6vhtk-06660b
Published by:
Trydan Gwyrdd Cymru
Authority ID:
AA86013
Publication date:
21 April 2026
Deadline date:
09 June 2026
Notice type:
UK4
Has documents:
No
Has SPD:
No
Has Carbon Reduction Plan:
N/A

Abstract

Trydan Gwyrdd Cymru (Trydan) is seeking to procure the following professional services for large-scale wind farm developments in Wales.

• Baseline ornithological surveys and reporting.

• Baseline habitat classification, soils, and peat surveys and reporting.

Trydan is looking to create a Framework for these lots. Trydan will then procure the services through call-off contracts. Trydan is looking to appoint a maximum of three Contractors per lot.

Full notice text

Scope

Procurement reference

TGCENVBASAPR26

Procurement description

Trydan Gwyrdd Cymru (Trydan) is seeking to procure the following professional services for large-scale wind farm developments in Wales.

• Baseline ornithological surveys and reporting.

• Baseline habitat classification, soils, and peat surveys and reporting.

Trydan is looking to create a Framework for these lots. Trydan will then procure the services through call-off contracts. Trydan is looking to appoint a maximum of three Contractors per lot.

Main category

Services

Delivery regions

  • UKL - Wales

Total value (estimated, excluding VAT)

1750000.00 GBP to 1750000.00GBP

Contract dates (estimated)

21 July 2026, 00:00AM to 20 July 2030, 23:59PM

Is a framework being established?

Yes

Contracting authority

Trydan Gwyrdd Cymru

Identification register:

  • GB-PPON

Address 1: Welsh Government Office

Town/City: Merthyr Tydfil

Postcode: CF48 1UZ

Country: United Kingdom

Website: http://www.trydangwyrddcymru.wales

Public Procurement Organisation Number: PDYQ-4323-NPMH

Contact name: Katie Carey

Email: caffael@trydangwyrddcymru.wales

Telephone: +447591340779

Organisation type: Public authority - sub-central government

Devolved regulations that apply: Wales

Procedure

Procedure type

Open procedure

Is the total value above threshold?

Above threshold

Framework

Percentage fee charged to suppliers

0%

Award method when using the framework

With and without reopening competition

Framework operation description

Trydan will operate a mini competition process for awarding call off contracts. Full details of this are in the Tender Pack.

Lots

Divided into 2 lots

Baseline Ornithology Services

Lot number: 1

Description

Lot 1: Baseline Ornithological Services – including, but not limited to, the following:

 Vantage-point surveys to record flight lines of ‘target species.’

 Walkover (breeding) bird survey work.

 Species specific surveys for Schedule 1 (Wildlife and Countryside Act) species.

 Surveys for nightjar.

CPV classifications

  • 71314300 - Energy-efficiency consultancy services

Delivery regions

  • UKL - Wales

Lot value (estimated)

1400000.00 GBP Excluding VAT

1680000.00 GBP Including VAT

Sustainability

Small and medium-sized enterprises (SME)

Voluntary, community and social enterprises (VCSE)

Contract start date (estimated)

21 July 2026, 00:00AM

Contract end date (estimated)

20 July 2030, 23:59PM

Description of how multiple lots may be awarded

See Tender pack for full details

Participation

Conditions

Economic

Conditions of participation

See Tender Pack

Conditions

Economic

Conditions of participation

See Tender Pack

Award criteria

Type: quality

Name

Technical Questions

Weighting: 70.00

Weighting type: percentageExact

Type: cost

Name

Commercial

Weighting: 30.00

Weighting type: percentageExact

Baseline Habitat Services

Lot number: 2

Description

Lot 2: Baseline Habitat Services – including the following:

 Peat and soil probing surveys.

 Phase 1 Habitat Surveys.

 Extended Phase 1 Habitat Survey.

 National Vegetation Classification Survey (of semi-natural plant communities).

CPV classifications

  • 71314300 - Energy-efficiency consultancy services

Delivery regions

  • UKL - Wales

Lot value (estimated)

350000.00 GBP Excluding VAT

420000.00 GBP Including VAT

Sustainability

Small and medium-sized enterprises (SME)

Voluntary, community and social enterprises (VCSE)

Contract start date (estimated)

21 July 2026, 00:00AM

Contract end date (estimated)

20 July 2030, 23:59PM

Description of how multiple lots may be awarded

See Tender pack for full details

Participation

Conditions

Economic

Conditions of participation

See Tender Pack

Conditions

Economic

Conditions of participation

See Tender Pack

Award criteria

Type: quality

Name

Technical Questions

Weighting: 70.00

Weighting type: percentageExact

Type: cost

Name

Commercial

Weighting: 30.00

Weighting type: percentageExact

Contract terms and risks

Payment terms

See Tender Pack

Description of risks to contract performance

See Tender Pack

Submission

Tender submission deadline

09 June 2026, 10:00AM

Enquiry deadline

20 May 2026, 10:00AM

Date of award of contract

08 July 2026, 23:59PM

Submission address and any special instructions

https://etenderwales.ukp.app.jaggaer.com/home.html

May tenders be submitted electronically?

Yes

Languages that may be used for submission

  • English

Documents

ID

L-1

Document type

Bidding documents

Description

ITT: itt_124301 - Trydan Environmental Baseline Framework

ID

L-2

Document type

Technical specifications

Description

ITT: itt_124301 - Trydan Environmental Baseline Framework

ID

conflictOfInterest

Document type

Conflict of interest

Description

Not published

Coding

Commodity categories

ID Title Parent category
There are no commodity categories for this notice.

Delivery locations

ID Description
1000 WALES

Document family

Notice details
Publication date:
10 March 2026
Deadline date:
16 April 2026 23:59
Notice type:
UK2
Version:
1
Authority name:
Trydan Gwyrdd Cymru
Publication date:
21 April 2026
Deadline date:
09 June 2026 10:00
Notice type:
UK4
Version:
1
Authority name:
Trydan Gwyrdd Cymru

About the buyer

Main contact:
n/a
Admin contact:
n/a
Technical contact:
n/a
Other contact:
n/a

Further information

Date Details

0800 222 9004

Lines are open 8:30am to 5pm Monday to Friday.

Rydym yn croesawu galwadau'n Gymraeg.

We welcome calls in Welsh.