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Company profile

Blue Transmission Walney 1 Limited

Blue Transmission Walney 1 Limited is a UK company with status active founded in 2010 based in London.

CRN
07353265
Founded
2010
Age
15

Overview

Legal name
BLUE TRANSMISSION WALNEY 1 LIMITED
Region
London
Registered address
8TH FLOOR
6 KEAN STREET
LONDON
UNITED KINGDOM
WC2B 4AS
Insolvency history
No

Corporate ownership

Updated 06 Jun 2026 16:52

8 levels 2 ultimate controllers
1
Company Active LTD
Blue Transmission Walney 1 Limited
CRN 07353265
2
Direct controller Active LTD
Blue Transmission Walney 1 (Holdings) Limited
CRN 07353250
3
Intermediate controller Active LTD
Biif Holdco III Limited
CRN 08232095
4
Intermediate controller Active LTD
Diamond Transmission UK Limited
CRN 12280960
5
Intermediate controller Active LTD
Biif Bidco Limited
CRN 06704479
6
Intermediate controller Active LTD
DTUK Blk Bidco Holdings Ltd
CRN 15848613
7
Intermediate controller Active LTD
Biif Parentco Limited
CRN 06704777
8
Intermediate controller Active LTD
Blackrock Evergreen Infrastructure UK Holdings Limited
CRN 15133626
9
Intermediate controller Active LTD
Biif Issuerco Limited
CRN 06590759
10
Ultimate controller
B270333
CRN B270333
11
Intermediate controller Active LTD
Biif Holdco Limited
CRN 06704550
12
Intermediate controller Active LTD
Biif GP Limited
CRN 04836947
13
Ultimate controller Active LTD
3I Bifm Investments Limited
CRN 06949026

Company events

Reference milestones and recent Companies House filing stream events.

7 events
31 Dec
2026

Accounts due

Accounts Due

Next accounts due date

18 Oct
2026

Confirmation statement due

Confirmation Due

Next confirmation statement due date

04 Oct
2025

Confirmation statement filed

Confirmation

Last confirmation statement made up date

31 Mar
2025

Accounts filed

Accounts

Last accounts made up date

20 Feb
2025

Change Corporate Secretary Company With Change Date

Officers

CH04 | Transaction MzQ1NTc5ODEwM2FkaXF6a2N4

Published 20 Feb 2025 09:32

16 Oct
2024

Confirmation Statement With No Updates

Confirmation-statement

CS01 | Transaction MzQzOTgxOTM4NGFkaXF6a2N4

Published 16 Oct 2024 11:20

23 Aug
2010

Incorporated

Inception

Company registered at Companies House