Filing status
- Accounts due
- 31 December 2026
- Last accounts
- 31 March 2025
- Conf. stmt due
- 13 November 2026
- Last conf. stmt
- 30 October 2025
Diamond Transmission Partners RB (Holdings) Limited
- Incorporated
- 31 October 2016 (10 years)
- Industry
- Transmission of electricity (35120)
- Accounts type
- Group
- Region
- Greater London
- Address
- 71 KingswayLondonWC2B 6ST
Charges
- Total
- 1
- Outstanding
- 1
- Part satisfied
- 0
- Satisfied
- 0
Officers 4 active
Officer details are public data from the Companies House register.
Director · Appointed 17 April 2026
Zimbabwean
Born August 1983 (43)
Director · Appointed 30 July 2025
British
Born July 1990 (36)
Director · Appointed 6 May 2022
British
Born December 1975 (50)
Director · Appointed 20 August 2019
British
Born January 1988 (38)
Officer history (7 former)
17 April 2026
17 April 2026
30 July 2025
30 July 2025
6 May 2022
6 May 2022
25 November 2019
25 November 2019
20 August 2019
20 August 2019
20 August 2019
26 March 2018
26 March 2018
26 March 2018
30 June 2017
31 October 2016
31 October 2016
31 October 2016
Ownership 2 active
People and entities with significant control, from the Companies House PSC register
Corporate entity · Notified 7 May 2020
Owns 50–75% of shares
Holds 50–75% of voting rights
Private Limited Company
Reg. no. 12280960
Corporate entity · Notified 21 August 2019
Owns 25–50% of shares
Holds 25–50% of voting rights
Private Limited Company
Reg. no. 10702561
Holdings 1
Companies where Diamond Transmission Partners RB (Holdings) Limited is registered as a person with significant control
Owns 75–100% of shares
Active
Former controllers (1)
14 February 2020
Ceased Diamond Transmission Corporation Limited — Owns 75–100% of shares
Group structure 17 shown
Ownership group derived from the Companies House PSC register
Dtuk BLK Bidco Holdings Ltd Owns 75–100% of shares
Diamond Transmission UK Limited Owns 75–100% of shares
Blue Transmission London Array (Holdings) Limited Owns 25–50% of shares
Blue Transmission Sheringham Shoal (Holdings) Limited Owns 25–50% of shares
Blue Transmission Walney 1 (Holdings) Limited Owns 25–50% of shares
Blue Transmission Walney 2 (Holdings) Limited Owns 25–50% of shares
Diamond Transmission Partners Bbe (Holdings) Limited Owns 25–50% of shares
Diamond Transmission Partners DBB (Holdings) Limited Owns 75–100% of shares
Diamond Transmission Partners Galloper (Holdings) Limited Owns 50–75% of shares
Diamond Transmission Partners RB (Holdings) Limited This company Owns 50–75% of shares
Diamond Transmission Partners Sofia (Holdings) Limited Owns 75–100% of shares
Diamond Transmission Partners Walney Extension (Holdings) Limited Owns 50–75% of shares
Gip Core Prism Topco Limited Owns 75–100% of shares
Gip Core Prism Midco Limited Owns 75–100% of shares
Gip Core Prism Bidco Limited Owns 75–100% of shares
Gip Core UK Bidco Ltd Owns 75–100% of shares
Financials
Balance sheet as at 31 March 2025 · group accounts
Balance sheet detail
| 2025 | |
|---|---|
| Shareholder Funds | £2,000,000 |
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 5 May 2026 | Change of details for a person with significant control | |||
| 21 April 2026 | Termination of appointment of a director | |||
| 21 April 2026 | Appointment of a director | |||
| 27 November 2025 | Group of companies' accounts | 31 March 2025 | ||
| 12 November 2025 | Confirmation statement with no updates | 30 October 2025 |
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