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DIAMOND TRANSMISSION PARTNERS WALNEY EXTENSION (HOLDINGS) LIMITED

Active London

Transmission of electricity

0 employees
Transmission of electricity
D

DIAMOND TRANSMISSION PARTNERS WALNEY EXTENSION (HOLDINGS) LIMITED

Transmission of electricity

Founded 13 Apr 2017 Active London, United Kingdom 0 employees
Transmission of electricity
Accounts Submitted 27 Nov 2025
Confirmation Statement Submitted 14 Apr 2025
Net assets £18.52M £4.62M 2023 year on year
Total assets £515.03M £11.05M 2023 year on year
Total Liabilities £496.52M £15.67M 2023 year on year
Charges 1
1 outstanding

AI Analysis

AI Analysis

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Contact & Details

Contact

Update Details

Registered Address

71 Kingsway London WC2B 6ST United Kingdom

Credit Report

Discover DIAMOND TRANSMISSION PARTNERS WALNEY EXTENSION (HOLDINGS) LIMITED's Credit Score, limit, and payment likelihood.

Mutual Companies

See All Mutual Companies

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 (2020–2023)

Cash in Bank

£2.72M

Increased by £175.00k (+7%)

Net Assets

£18.52M

Increased by £4.62M (+33%)

Total Liabilities

£496.52M

Decreased by £15.67M (-3%)

Turnover

£14.59M

Decreased by £539.00k (-4%)

Employees

N/A

Debt Ratio

96%

Decreased by 1 (-1%)
See 10 Year Full Financials

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

No fundraising or grants recorded

Investors (0)

No investor information available

Share Capital

Share Capital

Share allotments and capital structure

1 Allotment 999 Shares £999 Total
Date FromShare ClassShares AllottedAmount RaisedPrice/Share
21 Jan 2020999£999£999

Officers

Officers

5 active 9 resigned
Status
Akihide ItoDirectorJapaneseNetherlands5629 Mar 2022Active
Elizabeth Jo BeswetherickDirectorBritishEngland386 Apr 2020Active
Gary ThorntonDirectorBritishUnited Kingdom602 Oct 2017Active
James Christopher HeathDirectorBritishUnited Kingdom506 May 2022Active
Yandie DengDirectorBritishUnited Kingdom3530 Jul 2025Active

Shareholders

Shareholders (4)

Diamond Transmission Uk Limited
51.0%
51019 Apr 2023
Infrastructure Investments Ofto 1 Limited
29.0%
29019 Apr 2023
Chubu Global Investment B.v.
20.0%
20019 Apr 2023

Persons with Significant Control

Persons with Significant Control (2)

2 Active 1 Ceased

Infrastructure Investments Ofto 1 Limited

United Kingdom

Active
Notified 1 Jun 2020
Nature of Control
  • Ownership Of Shares 25 To 50 Percent
  • Voting Rights 25 To 50 Percent

Diamond Transmission Uk Limited

United Kingdom

Active
Notified 12 Mar 2021
Nature of Control
  • Ownership Of Shares 50 To 75 Percent
  • Voting Rights 25 To 50 Percent

Diamond Transmission Corporation Limited

Ceased 12 Mar 2021

Ceased
See All Controllers

Group Structure

Group Structure

INFRASTRUCTURE INVESTMENTS OFTO 1 LIMITED united kingdom shares 75 to 100 percent, voting rights 75 to 100 percent, appoint/remove directors
DIAMOND TRANSMISSION UK LIMITED united kingdom shares 75 to 100 percent, voting rights 75 to 100 percent, appoint/remove directors
DTUK BLK BIDCO HOLDINGS LTD united kingdom shares 75 to 100 percent, voting rights 75 to 100 percent, appoint/remove directors
INFRASTRUCTURE INVESTMENTS PPP OFTO LLP united kingdom voting rights 50 to 75 percent limited liability partnership, right to share surplus assets 75 to 100 percent limited liability partnership
BLACKROCK EVERGREEN INFRASTRUCTURE UK HOLDINGS LIMITED united kingdom shares 75 to 100 percent, voting rights 75 to 100 percent, appoint/remove directors
INFRASTRUCTURE INVESTMENTS PPP OFTO MIDCO LLP united kingdom voting rights 50 to 75 percent limited liability partnership, right to share surplus assets 75 to 100 percent limited liability partnership
BLACKROCK EVERGREEN INFRASTRUCTURE PARTNERS (AGGREGATOR C), SCSP luxembourg
INFRASTRUCTURE INVESTMENTS PPP OFTO HOLDINGS LLP united kingdom voting rights 50 to 75 percent limited liability partnership, right to share surplus assets 75 to 100 percent limited liability partnership
INFRASTRUCTURE INVESTMENTS (AUSTRALIA) LLP united kingdom voting rights 25 to 50 percent limited liability partnership
UK GDN INVESTMENTS TOPCO LIMITED united kingdom shares 75 to 100 percent, voting rights 75 to 100 percent, appoint/remove directors
INFRASTRUCTURE INVESTMENTS GENERAL PARTNER LIMITED united kingdom shares 75 to 100 percent, voting rights 75 to 100 percent, appoint/remove directors
INFRARED (INFRASTRUCTURE) CAPITAL PARTNERS LIMITED united kingdom shares 75 to 100 percent, voting rights 75 to 100 percent, appoint/remove directors
INFRASTRUCTURE INVESTMENTS HOLDINGS LIMITED united kingdom shares 75 to 100 percent, voting rights 75 to 100 percent, appoint/remove directors
INFRARED CAPITAL PARTNERS (HOLDCO) LIMITED united kingdom shares 75 to 100 percent, voting rights 75 to 100 percent, appoint/remove directors
INFRASTRUCTURE INVESTMENTS GROUP LIMITED united kingdom shares 75 to 100 percent, voting rights 75 to 100 percent, appoint/remove directors
INFRARED PARTNERS LLP united kingdom voting rights 75 to 100 percent limited liability partnership, right to share surplus assets 75 to 100 percent limited liability partnership, appoint/remove members limited liability partnership
INFRARED (UK) HOLDCO 2020 LTD. united kingdom shares 75 to 100 percent, voting rights 75 to 100 percent, appoint/remove directors
SUN LIFE FINANCIAL INC. canada
DIAMOND TRANSMISSION PARTNERS WALNEY EXTENSION (HOLDINGS) LIMITED Current Company
DIAMOND TRANSMISSION PARTNERS WALNEY EXTENSION LIMITED united kingdom shares 75 to 100 percent, voting rights 75 to 100 percent, appoint/remove directors

Charges

Charges

1 outstanding

Documents

Company Filings

DateCategoryDescriptionDocument
27 Nov 2025AccountsAnnual accounts made up to 2025-03-31View(68 pages)
9 Oct 2025AddressChange Registered Office Address Company With Date Old Address New AddressView(1 page)
2 Oct 2025AddressChange Registered Office Address Company With Date Old Address New AddressView(1 page)
29 Sept 2025AddressChange Registered Office Address Company With Date Old Address New AddressView(1 page)
12 Aug 2025OfficersAppointment of Mrs Yandie Deng as director on 2025-07-30View(2 pages)
27 Nov 2025 Accounts

Annual accounts made up to 2025-03-31

View Document(68 pages)
9 Oct 2025 Address

Change Registered Office Address Company With Date Old Address New Address

View Document(1 page)
2 Oct 2025 Address

Change Registered Office Address Company With Date Old Address New Address

View Document(1 page)
29 Sept 2025 Address

Change Registered Office Address Company With Date Old Address New Address

View Document(1 page)
12 Aug 2025 Officers

Appointment of Mrs Yandie Deng as director on 2025-07-30

View Document(2 pages)

Recent Activity

Latest Activity

Annual accounts made up to 2025-03-31

1 months ago on 27 Nov 2025

Change Registered Office Address Company With Date Old Address New Address

3 months ago on 9 Oct 2025

Change Registered Office Address Company With Date Old Address New Address

3 months ago on 2 Oct 2025

Change Registered Office Address Company With Date Old Address New Address

3 months ago on 29 Sept 2025

Appointment of Mrs Yandie Deng as director on 2025-07-30

5 months ago on 12 Aug 2025