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PROCUREMENT OPPORTUNITY

Legal Services for Sizewell C

Department for Energy Security and Net Zero · compiled

Tender information last checkedLast checked 29 Sept 2026, 20:03.

Opportunity overview

Existing options to extend (as described in the cover text) will be replaced by one extension of 10 months and a new total extension value of £11.94m

Awarded to

Amounts belong to published awards or contracts. Where several suppliers share one value, it is labelled as shared and is not a supplier-specific allocation.

Linklaters LLP

Matched by exact name
Contract value
£23.9m
Awarded
Not supplied
Contract signed
1 Dec 2023
Award ID
034732-2024-1-1
Status
active
Location
London, UK, EC2Y 8HQ, United Kingdom

Linklaters LLP

Matched by exact name
Contract value
£31.9m
Awarded
Not supplied
Contract signed
1 Dec 2023
Award ID
044579-2025-Modification two-1
Status
active
Location
London, UK, EC2Y 8HQ, United Kingdom

Classification

  • CPV79100000 — Legal services

Lots

  • Legal Services for the Sizewell C ProjectValue not stated

Published notice details

Additional information from the published procurement release. Fields appear only when supplied by the source; check the original notice and tender documents before acting.

Scope, procedure and submissions

Id
ocds-h6vhtk-04b189
Main Procurement Category
services

Legal basis

Id
32014L0024
Scheme
CELEX

Classification

Id
79100000
Scheme
CPV
Description
Legal services

Lots and requirements

Entry 1
Id
1
Title
Legal Services for the Sizewell C Project
Description
This is a modification to an existing contract between the Department for Energy Security and Net Zero and Linklaters LLP. The scope of the contract is for the provision of legal services regarding legal and commercial matters concerning the Sizewell C project, as well as the role of DESNZ as project sponsor and shareholder. Additional services have become necessary due to extended project timelines. The supplier's services are essential to the achievement of the SZC Final Investment Decision and progression of the programme. The variation is composed of an eight-month extension in time and a 50% extension in value under Regulation 72 (1) (b) and 72 (2) of the Public Contracts Regulations 2015. Original award value: £15,960,000 (excl. VAT). 01/12/2023-30/09/2024. Modification one (Sep-24): £7,980,000 (excl. VAT). 01/12/2023-31/07/2025. Modified contract value: £23,940,000. Modification two (Jul-25): £7,980,000 (exlc. VAT). 01/12/2023-31/03/2026. Modified contract value: £31,920,000.

Contract period

Ends
31 Mar 2026, 23:59
Starts
1 Dec 2023, 00:00

Items and delivery

Item 1
Id
1
Related Lot
1

Delivery locations

Entry 1
Region
UK
Entry 2
Region
UK
Entry 3
Region
UK

Buyer, suppliers and contacts

Organisation 1
Id
GB-FTS-128348
Name
The Department for Energy Security and Net Zero

Roles

buyer

Address

Region
UK
Locality
London
Postal Code
SW1A 2EG
Country Name
United Kingdom
Street Address
3 - 8 Whitehall Place

Details

Identifier

Legal Name
The Department for Energy Security and Net Zero

Contact

Name
Benjamin O'Brien
Organisation 2
Id
GB-FTS-128349
Name
Linklaters LLP

Roles

supplier

Address

Region
UK
Locality
London
Postal Code
EC2Y 8HQ
Country Name
United Kingdom
Street Address
One Silk St

Details

Scale
large

Identifier

Legal Name
Linklaters LLP
Organisation 3
Id
GB-FTS-1091
Name
N/A

Roles

reviewBody

Address

Locality
N/A
Country Name
United Kingdom

Identifier

Legal Name
N/A
Organisation 4
Id
GB-FTS-149908
Name
Department for Energy Security and Net Zero

Roles

buyer

Address

Region
UK
Locality
London
Postal Code
SW1A 2BD
Country Name
United Kingdom
Street Address
3-8 Whitehall Place

Details

Identifier

Legal Name
Department for Energy Security and Net Zero

Contact

Award information

Award 1
Id
034732-2024-1-1
Title
Legal Services for the Sizewell C Project
Status
active

Suppliers

Supplier 1
Id
GB-FTS-128349
Name
Linklaters LLP

Related lots

1
Award 2
Id
044579-2025-Modification two-1
Title
Legal services for Sizewell C
Status
active

Suppliers

Supplier 1
Id
GB-FTS-128349
Name
Linklaters LLP

Related lots

1

Contracts and changes

Entry 1
Id
034732-2024-1-1
Title
Legal Services for the Sizewell C Project
Status
active
Award ID
034732-2024-1-1
Date Signed
1 Dec 2023, 00:00

Items

Item 1
Id
1
Title
Legal Services for the Sizewell C Project
Related Lot
1

Classification

Id
79111000
Scheme
CPV
Description
Legal advisory services

Delivery locations

Entry 1
Region
UK
Entry 2
Region
UK

Value

Amount
23,940,000
Currency
GBP

Period

Ends
31 Jul 2025, 23:59
Starts
1 Dec 2023, 00:00

Amendments

Entry 1
Id
1
Rationale
Need for additional works, services or supplies by the original contractor/concessionaire: Additional work has become necessary due to the timing of the UK General Election and its impact on the wider project timelines.
Description
Existing options to extend (as described in the cover text) will be replaced by one extension of 10 months and a new total extension value of £11.94m
Entry 2
Id
044579-2025-Modification two-1
Title
Legal services for Sizewell C
Status
active
Award ID
044579-2025-Modification two-1
Date Signed
1 Dec 2023, 00:00

Items

Item 1
Id
1
Related Lot
1

Classification

Id
79100000
Scheme
CPV
Description
Legal services

Delivery locations

Entry 1
Region
UK

Value

Amount
31,920,000
Currency
GBP

Period

Ends
31 Mar 2026, 23:59
Starts
1 Dec 2023, 00:00

Amendments

Entry 1
Id
2
Rationale
Need for additional works, services or supplies by the original contractor/concessionaire: Additional services are required towards the completion of the SZC capital raise process due to extended project timeframes. Any change in contractor would cause significant inconvenience and substantial duplication of costs because the incumbent is uniquely placed to advise HMG and the project is at a critical stage close to completion.
Description
Original award value (01/12/2023): £15,960,000 (excl. VAT). End date: 30/09/2024 (+ two optional 3-month extensions). Modification one (26/09/2024): £7,980,000 (excl. VAT) + 10-month extension. New end date: 31/07/2025. Modified contract value: £23,940,000. DESNZ amended the contract to increase the scope of Linklaters' services in relation to the Sizewell C capital raise process. Modification two (16/07/2025): £7,980,000 (excl. VAT) + 8-month extension. New end date: 31/03/2026. Modified contract value: £31,920,000. DESNZ increased the duration and value of the contract to enable access to Linklaters' services up to and beyond the Sizewell C Final Investment Decision. DESNZ have modified the contract as above as a result of extended project timelines.

Recorded locations

  • Buyer location · London · UK · SW1A 2BD · United Kingdom
  • Delivery location · UK

Notice and amendment history

1 published notice version reviewed by ProcuraAxis.

1 VERSION
  1. ocds-h6vhtk-04b189-2025-07-31T09:42:39+01:00compiled ·