ContactCredit ReportFinancialsPeopleOwnershipLatest ActivityMutual CompaniesDocumentsRepayment History

Sizewell C Limited

Sizewell C Limited is an active company incorporated on 28 October 2014 with the registered office located in London, City of London. Sizewell C Limited was registered 11 years ago.
Status
Active
Active since incorporation
Company No
09284825
Private limited company
Age
11 years
Incorporated 28 October 2014
Size
Micro
Turnover is under £1M
Under 10 employees
Confirmation
Submitted
Dated 18 May 2025 (5 months ago)
Next confirmation dated 18 May 2026
Due by 1 June 2026 (7 months remaining)
Last change occurred 1 year 4 months ago
Accounts
Submitted
For period 1 Apr31 Mar 2025 (12 months)
Accounts type is Full
Next accounts for period 31 March 2026
Due by 31 December 2026 (1 year 2 months remaining)
Address
25 Copthall Avenue
London
EC2R 7BP
England
Address changed on 17 Mar 2025 (7 months ago)
Previous address was 90 Whitfield Street London W1T 4EZ England
Telephone
Unreported
Email
Unreported
People
Officers
20
Shareholders
1
Controllers (PSC)
1
Director • British • Lives in England • Born in Sep 1965
Director • British • Lives in UK • Born in Dec 1958
Secretary
Secretary
Director • Finnish • Lives in Finland • Born in Dec 1961
Shareholders, PSCs & Group Structure
See who truly controls a company with full PSC, Shareholder, and Group Structure exploration
Mutual Companies
Sizewell C (Holding) Limited
Robert David Holden, Elizabeth Marian Barber, and 1 more are mutual people.
Active
NNB Generation Company (HPC) Limited
Stuart Crooks and David Gogo Waboso are mutual people.
Active
Devonport Royal Dockyard Limited
Sir Andrew David Hugh Mathews is a mutual person.
Active
Electricity North West Limited
Robert David Holden is a mutual person.
Active
Thames Water Utilities Finance Plc
David Stephen Gregg is a mutual person.
Active
North West Electricity Networks Plc
Robert David Holden is a mutual person.
Active
Bigland Management Limited
Robert David Holden is a mutual person.
Active
Holden Heights Limited
Robert David Holden is a mutual person.
Active
Financials
Net Assets, Total Assets & Total Liabilities (2015–2025)
Period Ended
31 Mar 2025
For period 31 Mar31 Mar 2025
Traded for 12 months
Cash in Bank
£365.1M
Increased by £81.2M (+29%)
Turnover
Unreported
Same as previous period
Employees
8
Increased by 6 (+300%)
Total Assets
£4.59B
Increased by £2.2B (+92%)
Total Liabilities
-£567.5M
Increased by £172.9M (+44%)
Net Assets
£4.02B
Increased by £2.03B (+101%)
Debt Ratio (%)
12%
Decreased by 4.14% (-25%)
Latest Activity
Dr Laura Sophie Scudamore Barbrook Appointed
10 Days Ago on 17 Oct 2025
Full Accounts Submitted
10 Days Ago on 17 Oct 2025
David Stephen Gregg Resigned
11 Days Ago on 16 Oct 2025
Sir Andrew David Hugh Mathews Appointed
26 Days Ago on 1 Oct 2025
Sizewell C (Holding) Limited (PSC) Resigned
1 Month Ago on 17 Sep 2025
Sizewell C (Pledgeco) Limited (PSC) Appointed
1 Month Ago on 17 Sep 2025
Confirmation Submitted
4 Months Ago on 1 Jun 2025
Nick Smallwood Resigned
7 Months Ago on 24 Mar 2025
Mr Jonathan Bruce Loveday Appointed
7 Months Ago on 24 Mar 2025
Sizewell C (Holding) Limited (PSC) Details Changed
7 Months Ago on 17 Mar 2025
Get Credit Report
Discover Sizewell C Limited's Credit Score, how much credit you can offer them, and how likely they are to repay you
Documents
Appointment of Dr Laura Sophie Scudamore Barbrook as a director on 17 October 2025
Submitted on 23 Oct 2025
Full accounts made up to 31 March 2025
Submitted on 17 Oct 2025
Termination of appointment of David Stephen Gregg as a director on 16 October 2025
Submitted on 16 Oct 2025
Appointment of Sir Andrew David Hugh Mathews as a director on 1 October 2025
Submitted on 10 Oct 2025
Cessation of Sizewell C (Holding) Limited as a person with significant control on 17 September 2025
Submitted on 1 Oct 2025
Notification of Sizewell C (Pledgeco) Limited as a person with significant control on 17 September 2025
Submitted on 1 Oct 2025
Confirmation statement made on 18 May 2025 with no updates
Submitted on 1 Jun 2025
Change of details for Sizewell C (Holding) Limited as a person with significant control on 17 March 2025
Submitted on 24 Apr 2025
Appointment of Mr Jonathan Bruce Loveday as a director on 24 March 2025
Submitted on 4 Apr 2025
Termination of appointment of Nick Smallwood as a director on 24 March 2025
Submitted on 4 Apr 2025
Repayment History
Understand how businesses repay their debts and see how they're performing year‐on‐year