SIZEWELL C LIMITED
Company number 09284825 · Monitor this company
Free AI analysis
Have an AI read this company's filings and write an assessment — financial health, risks, and what the numbers say.
Overview
- Company type
- Private Limited Company
- Incorporated
- 2014-10-28
- Registered office
- 25 Copthall Avenue, London, England, EC2R 7BP
- Postcode
- EC2R 7BP
- Capital
- 16 GBP
- Accounts category
- Full
- Charges
- 0 outstanding
Accounts
- Last made up to
- 2025-03-31
- Next due by
- 2026-12-31
- Financial year end
- 31 March
Confirmation statement
- Last statement dated
- 2026-05-18
- Next due by
- 2027-06-01
Nature of business (SIC)
- 35110 Production of electricity
Officers 16 current · 29 resigned
Group structure 1 subsidiary
Controlled by EDF ENERGY HOLDINGS LIMITED — since 2025-11-04
Controlled by SIZEWELL C (HOLDING) LIMITED — since 2025-11-04
Controlled by SIZEWELL C (PLEDGECO) LIMITED — since 2025-09-17
From persons-with-significant-control filings on the public register.
Public contracts won 2
£108,806,488 total awarded value where published.
Contains public sector information licensed under the Open Government Licence v3.0 (Contracts Finder).
Licensed visa sponsor
Licensed by the Home Office to sponsor worker visas: Skilled Worker (Worker (A rating)).
Matched by registered name to the register of licensed sponsors (Home Office, updated daily) — check the register itself before relying on it. Contains public sector information licensed under the Open Government Licence v3.0.
Modern slavery statement
Registered a modern slavery statement for 2025 (period to 2025-03-31).
Read the statement summary on the government modern slavery statement registry. Contains public sector information licensed under the Open Government Licence v3.0.
Contact details
- Website
- sizewellc.com
Previous company names
| Name | Date changed |
|---|---|
| NNB GENERATION COMPANY (SZC) LTD | 2023-06-12 |
Previous registered addresses 2
| Address | Changed on |
|---|---|
| 40 GROSVENOR PLACE, LONDON, SW1X 7EN | 2018-01-09 |
| LEVEL 1, EXCHANGE HOUSE PRIMROSE STREET, LONDON, EC2A 2EG, UNITED KINGDOM | 2014-11-17 |
The class of 2014
42%
of the 1,909 companies in this sector incorporated in 2014 are still active today; 56% have since been dissolved.
A fact about the year, not a forecast for this company.
Property in England & Wales 76 titles
- Freehold
- 57
- Leasehold
- 19
- Most recent registration
- 2026-07-01
- Price paid, where recorded
- £2,039,722
- Where
- Suffolk (73), Greater London (2), Greater Manchester (1)
| Title number | County | Tenure | Registered | Price paid |
|---|---|---|---|---|
| SK444576 | Suffolk | Freehold | 2026-07-01 | — |
| SK444028 | Suffolk | Freehold | 2026-06-01 | — |
| SK444029 | Suffolk | Freehold | 2026-06-01 | — |
| SK444031 | Suffolk | Freehold | 2026-06-01 | — |
| SK444032 | Suffolk | Freehold | 2026-06-01 | — |
| SK444045 | Suffolk | Freehold | 2026-06-01 | — |
| SK443955 | Suffolk | Freehold | 2026-05-27 | — |
| SK444198 | Suffolk | Freehold | 2026-05-27 | — |
| SK443921 | Suffolk | Freehold | 2026-05-26 | — |
| SK443836 | Suffolk | Freehold | 2026-05-20 | — |
| SK443838 | Suffolk | Freehold | 2026-05-20 | — |
| SK444406 | Suffolk | Freehold | 2026-05-20 | — |
| SK443606 | Suffolk | Freehold | 2026-05-07 | — |
| SK443607 | Suffolk | Freehold | 2026-05-07 | — |
| AGL655728 | Greater London | Leasehold | 2025-09-30 | — |
| SK438975 | Suffolk | Freehold | 2025-09-09 | — |
| MAN460272 | Greater Manchester | Leasehold | 2025-08-06 | £889,722 |
| SK194068 | Suffolk | Freehold | 2025-07-23 | — |
| SK203864 | Suffolk | Freehold | 2025-07-23 | — |
| SK388785 | Suffolk | Freehold | 2025-07-23 | — |
Showing 20 of 76.
For addresses and the authoritative register entry, use HM Land Registry's official search (£3 per title).
Information produced by HM Land Registry. © Crown copyright 2026. Dataset as at 2026-08.