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Company profile

Diamond Transmission Partners Walney Extension (Holdings) Limited

UK company 10725211, incorporated on 13 April 2017.

Diamond Transmission Partners Walney Extension (Holdings) Limited is a UK company with status Active founded in 2017 based in London.

Company number
10725211
Incorporated
13 Apr 2017
Companies House status
Active

Company identity

Founded / incorporated
13 April 2017

Company number 10725211

Verify at Companies House
Legal name
DIAMOND TRANSMISSION PARTNERS WALNEY EXTENSION (HOLDINGS) LIMITED
Company type
Private Limited Company
Region
London
Registered address
71 KINGSWAY
LONDON
UNITED KINGDOM
WC2B 6ST
Insolvency history
No

Corporate ownership

Updated 07 Jul 2026 09:49

4 levels 2 ultimate controllers Controls 1
1
Company Active LTD
Diamond Transmission Partners Walney Extension (Holdings) Limited
CRN 10725211
2
Direct and ultimate controller Active LTD
Infrastructure Investments Ofto 1 Limited
CRN 10702561
3
Direct controller Active LTD
Diamond Transmission UK Limited
CRN 12280960
4
Intermediate controller Active LTD
DTUK Blk Bidco Holdings Ltd
CRN 15848613
5
Intermediate controller Active LTD
Blackrock Evergreen Infrastructure UK Holdings Limited
CRN 15133626
6
Ultimate controller
B270333
CRN B270333

Latest accounts

Financial period: 1 Apr 2024 to 31 Mar 2025

FULLACCOUNTS
Turnover
Unknown
Profit / Loss
£243
Employees
0

Company events

Reference milestones and recent Companies House filing stream events.

5 events
26 Apr
2027

Confirmation statement due

Confirmation Due

Next confirmation statement due date

31 Dec
2026

Accounts due

Accounts Due

Next accounts due date

12 Apr
2026

Confirmation statement filed

Confirmation

Last confirmation statement made up date

31 Mar
2025

Accounts filed

Accounts

Last accounts made up date

13 Apr
2017

Incorporated

Inception

Company registered at Companies House