SIZEWELL C LIMITED

Active London

Production of electricity

2 employees website.com
Production of electricity
S

SIZEWELL C LIMITED

Production of electricity

Founded 28 Oct 2014 Active London, England 2 employees website.com
Production of electricity

Previous Company Names

NNB GENERATION COMPANY (SZC) LTD 28 Oct 2014 — 12 Jun 2023
Accounts Due 31 Dec 2026 8 months remaining
Confirmation
Net assets £1,997M £1,097M 2023 year on year
Total assets £2,392M £1,387M 2023 year on year
Total Liabilities £394M £289M 2023 year on year
Charges 5
5 outstanding

Contact & Details

Contact

Registered Address

25 Copthall Avenue London EC2R 7BP England

Telephone

0800 000 0000

Email

info@example.com

Website

www.example.com

Full company profile for SIZEWELL C LIMITED (09284825), an active company based in London, England. Incorporated 28 Oct 2014. Production of electricity. View financials, directors, shareholders, and filings.

Business Summary

This company specializes in providing innovative solutions and services across multiple sectors.

Products & Services

consulting software analytics integration

Reports

Credit Report

In-depth credit score, financial analysis, risk assessment and company intelligence.

Financials

Financials

Period 1 Jan → 31 Dec 2023
Type Total Exemption Full
Next accounts 31 December 2024
Due by 30 September 2025 9 months

Net Assets, Total Assets & Total Liabilities (2015–2023)

Cash in Bank

£283.87M

Increased by £155.10M (+120%)

Net Assets

£1997.50M

Increased by £1097.32M (+122%)

Total Liabilities

£394.49M

Increased by £289.38M (+275%)

Turnover

N/A

Employees

2

Debt Ratio

16%

Increased by 6 (+60%)

Financial History

Revenue, profit, EBITDA and key financial figures

2023
Dec Year End
2022
Dec Year End
P&L
Revenue
£142.3M
£128.7M
Gross Profit
£48.2M
£43.1M
Operating Profit
£22.4M
£19.8M
Net Profit
£18.1M
£15.9M
EBITDA
£31.5M
£28.2M
Assets
Cash
£24.7M
£21.3M
Total Assets
£89.4M
£82.1M
Liabilities
Total Liabilities
£45.2M
£41.8M
Key Metrics
Employees
1,247
1,156
Latest Revenue
£142.3M
Latest EBITDA
£31.5M
Cash Position
£24.7M

Funding

Fundraising & Grants

Grants 1

Investors (0)

No investor information available

Share Capital

Share Capital

Share allotments and capital structure

1 Allotment 16,300,000 Shares £16.30m Total
Date FromShare ClassShares AllottedAmount RaisedPrice/Share
1 Jul 201516,300,000£16.30m£1

Officers

Officers

1 active 2 resigned
Status
Elizabeth Marian BarberDirectorBritishEngland601 Jan 2024Active

Shareholders

Shareholders (1)

Sizewell C (holding) Limited
100.0%
16,300,002

Persons with Significant Control

Persons with Significant Control (4)

4 Active

Sizewell C (holdco) Limited

Unknown

Active
Notified 4 Nov 2025
Nature of Control
  • Significant Influence Or Control

Edf Energy Holdings Limited

Unknown

Active
Notified 4 Nov 2025
Nature of Control
  • Significant Influence Or Control

Sizewell C (pledgeco) Limited

Unknown

Active
Notified 17 Sept 2025
Nature of Control
  • Ownership Of Shares 75 To 100 Percent
  • Voting Rights 75 To 100 Percent
  • Right To Appoint And Remove Directors
Active
Notified 6 Apr 2016
Nature of Control
  • Ownership Of Shares 75 To 100 Percent,voting Rights 75 To 100 Percent,right To Appoint And Remove Directors

Group Structure

Group Structure

SIZEWELL C LIMITED Current Company

Charges

Charges

5 outstanding

Properties

Properties

43 freehold 19 leasehold 62 total
AddressTenurePrice PaidDate Added
Sixth Floor, 25 Copthall Avenue, London (EC2R 7DN) CITY OF LONDON
Leasehold-30 Sept 2025
Land lying to the north of Saxmundham Road, Leiston EAST SUFFOLK
Freehold-9 Sept 2025
Tenth Floor, 1 New York Street, Manchester (M1 4HD) MANCHESTER
Leasehold£889,7226 Aug 2025
North View, Felixstowe Road, Nacton, Ipswich (IP10 0DE) EAST SUFFOLK
Freehold-23 Jul 2025
Land at Shepherd And Dog Piggeries, Felixstowe Road, Nacton, Ipswich (IP10 0DE) EAST SUFFOLK
Freehold-23 Jul 2025
Sixth Floor, 25 Copthall Avenue, London (EC2R 7DN)
Leasehold
Added 30 Sept 2025
District CITY OF LONDON
Land lying to the north of Saxmundham Road, Leiston
Freehold
Added 9 Sept 2025
District EAST SUFFOLK
Tenth Floor, 1 New York Street, Manchester (M1 4HD)
Leasehold £889,722
Added 6 Aug 2025
District MANCHESTER
North View, Felixstowe Road, Nacton, Ipswich (IP10 0DE)
Freehold
Added 23 Jul 2025
District EAST SUFFOLK
Land at Shepherd And Dog Piggeries, Felixstowe Road, Nacton, Ipswich (IP10 0DE)
Freehold
Added 23 Jul 2025
District EAST SUFFOLK

Documents

Company Filings

DateCategoryDescriptionDocument
27 Mar 2026OfficersAppointment of Ms Alison Ayodele Henwood as director on 2026-03-23
26 Feb 2026Persons With Significant ControlSizewell C (Holdco) Limited notified as a person with significant control
26 Feb 2026Persons With Significant ControlChange to Sizewell C (Pledgeco) Limited as a person with significant control on 2025-11-04
26 Feb 2026OfficersAppointment of Ms Caroline Botwood as director on 2026-02-16
26 Feb 2026Persons With Significant ControlEdf Energy Holdings Limited notified as a person with significant control
27 Mar 2026 Officers

Appointment of Ms Alison Ayodele Henwood as director on 2026-03-23

26 Feb 2026 Persons With Significant Control

Sizewell C (Holdco) Limited notified as a person with significant control

26 Feb 2026 Persons With Significant Control

Change to Sizewell C (Pledgeco) Limited as a person with significant control on 2025-11-04

26 Feb 2026 Officers

Appointment of Ms Caroline Botwood as director on 2026-02-16

26 Feb 2026 Persons With Significant Control

Edf Energy Holdings Limited notified as a person with significant control

Recent Activity

Latest Activity

Appointment of Ms Alison Ayodele Henwood as director on 2026-03-23

3 weeks ago on 27 Mar 2026

Sizewell C (Holdco) Limited notified as a person with significant control

1 months ago on 26 Feb 2026

Change to Sizewell C (Pledgeco) Limited as a person with significant control on 2025-11-04

1 months ago on 26 Feb 2026

Appointment of Ms Caroline Botwood as director on 2026-02-16

1 months ago on 26 Feb 2026

Edf Energy Holdings Limited notified as a person with significant control

1 months ago on 26 Feb 2026