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Sizewell C Limited

09284825

active
ltd
england wales
Companies House
Health Score
59 / 100

Notable Risks

25/30
Filing
0/30
Financial
34/40
Risk
  • 3 outstanding charges (-6)

Details

25 Copthall Avenue, London, EC2R 7BP
Incorporated 28/10/2014

Previously known as

Nnb Generation Company (Szc) Ltd · until 12/06/2023

Compliance

Last accounts

31/03/2025

full

Next accounts due

31/12/2026

On track

Confirmation statement

Last: 18/05/2026

Due 01/06/2027

On track

Industry

35110
Production of electricity

Officers

Mr Stuart Crooks

director · Since 15/11/2017

COMPANY DIRECTOR

BRITISH · UNITED KINGDOM · Age 61

Also on 4 other boards

Dr Mina Golshan

director · Since 29/11/2022

PHYSICIST / ENGINEER

BRITISH · UNITED KINGDOM · Age 52

Mr Nigel Francis Cann

director · Since 03/04/2023

COMPANY DIRECTOR

BRITISH · ENGLAND · Age 62

Also on 1 other board

Mr Jouni Sakari Silvennoinen

director · Since 31/07/2023

DIRECTOR

FINNISH · FINLAND · Age 64

Ms Julie Thornton

director · Since 01/01/2024

DIRECTOR

BRITISH · UNITED KINGDOM · Age 63

Ms Elizabeth Marian Barber

director · Since 01/01/2024

DIRECTOR

BRITISH · ENGLAND · Age 60

Asha Magnus

secretary · Since 25/06/2024

Mr William John Holland Kaye

director · Since 01/02/2025

DIRECTOR

BRITISH · UNITED KINGDOM · Age 61

Also on 1 other board

Sir Andrew David Hugh Mathews

director · Since 01/10/2025

DIRECTOR

BRITISH · ENGLAND · Age 68

Also on 1 other board

Dr Laura Sophie Scudamore Barbrook

director · Since 17/10/2025

CHIEF FINANCIAL OFFICER

BRITISH · ENGLAND · Age 52

Mr David Kirwan

director · Since 04/11/2025

IRISH · IRELAND · Age 54

Also on 2 other boards

Mr Alejandro Lopez Delgado

director · Since 04/11/2025

DIRECTOR

SPANISH,BRITISH · FRANCE · Age 48

Ms Caroline Botwood

director · Since 16/02/2026

BRITISH · ENGLAND · Age 60

Ms Alison Ayodele Henwood

director · Since 23/03/2026

BRITISH · ENGLAND · Age 61

Also on 3 other boards

Stuart Crooks

director · Since 15/11/2017

British · United Kingdom · Age 61

Mina Golshan

director · Since 29/11/2022

British · United Kingdom · Age 52

Nigel Francis Cann

director · Since 03/04/2023

British · England · Age 62

Jouni Sakari Silvennoinen

director · Since 31/07/2023

Finnish · Finland · Age 64

Elizabeth Marian Barber

director · Since 01/01/2024

British · England · Age 60

Julie Thornton

director · Since 01/01/2024

British · United Kingdom · Age 63

Asha Magnus

secretary · Since 25/06/2024

William John Holland Kaye

director · Since 01/02/2025

British · United Kingdom · Age 61

Andrew David Hugh Mathews

director · Since 01/10/2025

British · England · Age 68

Laura Sophie Scudamore Barbrook

director · Since 17/10/2025

British · England · Age 52

Alejandro Lopez Delgado

director · Since 04/11/2025

Spanish,British · France · Age 48

David Kirwan

director · Since 04/11/2025

Irish · Ireland · Age 54

Caroline Botwood

director · Since 16/02/2026

British · England · Age 60

Alison Ayodele Henwood

director · Since 23/03/2026

British · England · Age 61

Former

Steven Lawrence Wolfram

director · Resigned 30/09/2016

Christopher Hugh Hamill

secretary · Resigned 26/07/2017

Thierry Albert Schall

director · Resigned 15/11/2017

Paul Thornton Newman

director · Resigned 15/11/2017

Florian Max Marie Andre Debionne

director · Resigned 06/06/2018

Minhong Zhu

director · Resigned 03/04/2019

Julia Pyke

secretary · Resigned 03/04/2019

James Kennedy Crawford

director · Resigned 31/10/2019

Patrick Pruvot

director · Resigned 01/03/2021

Alan Paul Raymant

director · Resigned 30/11/2021

Claire Rachel Gooding

secretary · Resigned 01/02/2022

Abbie Suzanne Pokorny

director · Resigned 01/02/2022

Humphrey Allen Edward Cadoux-Hudson

director · Resigned 30/06/2022

Yigang Cao

director · Resigned 29/11/2022

Marie-Sylvie Laura Frederique Collet

director · Resigned 29/11/2022

Zhengping Deng

director · Resigned 29/11/2022

Stephen Robert Billingham

director · Resigned 29/11/2022

Mark Stephen Hartley

director · Resigned 03/04/2023

Declan Patrick Burke

director · Resigned 30/05/2023

Abbie Pokorny

secretary · Resigned 25/06/2024

Frederic Rene Jean Mayoux

director · Resigned 07/10/2024

David Gogo Waboso

director · Resigned 01/11/2024

Robert David Holden

director · Resigned 01/03/2025

Nick Smallwood

director · Resigned 24/03/2025

David Stephen Gregg

director · Resigned 16/10/2025

Richard Grant Noble

director · Resigned 31/10/2025

Bertrand Michoud

director · Resigned 04/11/2025

Julia Pyke

director · Resigned 31/12/2025

Jonathan Bruce Loveday

director · Resigned 16/02/2026

Persons with Significant Control

Sizewell C (Pledgeco) Limited

75–100% shares
75–100% votes

25, Copthall Avenue, London, EC2R 7BP

Reg: 16480404 · Companies House · Limited Company

Notified 17/09/2025

Edf Energy Holdings Limited

Significant control

Nova North, 11, Bressenden Place, London, SW1E 5BY

Reg: 06930266 · Companies House · Limited Company

Notified 04/11/2025

Sizewell C (Holdco) Limited

Significant control

25, Copthall Avenue, London, EC2R 7BP

Reg: 09284751 · Companies House · Limited Company

Notified 04/11/2025

Former PSCs

Sizewell C (Holding) Limited

Ceased 17/09/2025

Charges3 outstanding

Charge
outstanding

HSBC CORPORATE TRUSTEE COMPANY (UK) LIMITED

Created 04/11/2025Registered 06/11/2025
Charge
outstanding

THE SECRETARY OF STATE FOR ENERGY SECURITY AND NET ZERO

Created 04/11/2025Registered 05/11/2025
Charge
outstanding

THE SECRETARY OF STATE FOR ENERGY SECURITY AND NET ZERO

Created 04/11/2025Registered 05/11/2025
Charge
satisfied

EDF ENERGY NUCLEAR GENERATION LIMITED

Created 13/03/2024Registered 26/03/2024Satisfied 21/11/2025
Charge
satisfied

EDF ENERGY NUCLEAR GENERATION LIMITED

Created 22/03/2024Registered 26/03/2024Satisfied 21/11/2025

Change History

statusactive
2026-06-25

Active

typeltd
2026-06-25

Private Limited Company

address line125 Copthall Avenue
2026-06-25

25 COPTHALL AVENUE

post townLondon
2026-06-25

LONDON