DIAMOND TRANSMISSION PARTNERS WALNEY EXTENSION LIMITED

Overview

Company Name	DIAMOND TRANSMISSION PARTNERS WALNEY EXTENSION LIMITED
Company Status	Active
Legal Form	Private limited company
Company Number	10726538
Jurisdiction	England/Wales
Date of Creation	Apr 18, 2017

Summary

Has Super Secure PSCs	No
Has Charges	No
Has Insolvency History	No
Registered Office is in Dispute	No

What is the purpose of DIAMOND TRANSMISSION PARTNERS WALNEY EXTENSION LIMITED?

Transmission of electricity (35120) / Electricity, gas, steam and air conditioning supply

Where is DIAMOND TRANSMISSION PARTNERS WALNEY EXTENSION LIMITED located?

Registered Office Address	71 Kingsway WC2B 6ST London United Kingdom
Undeliverable Registered Office Address	No

What are the latest accounts for DIAMOND TRANSMISSION PARTNERS WALNEY EXTENSION LIMITED?

Next Accounts
Overdue	No
Next Accounts Period End On	Mar 31, 2026
Next Accounts Due On	Dec 31, 2026
Last Accounts
Last Accounts Made Up To	Mar 31, 2025

What is the status of the latest confirmation statement for DIAMOND TRANSMISSION PARTNERS WALNEY EXTENSION LIMITED?

Last Confirmation Statement
Last Confirmation Statement Made Up To	Apr 17, 2026
Next Confirmation Statement Due	May 01, 2026
Next Confirmation Statement Made Up To	Apr 17, 2025
Overdue	No

What are the latest filings for DIAMOND TRANSMISSION PARTNERS WALNEY EXTENSION LIMITED?

Filings
Date	Description	Document	Type
Nov 27, 2025	Full accounts made up to Mar 31, 2025	64 pages	AA

Oct 09, 2025	Registered office address changed from 71 Kingsway Holborn London WC2B 6st United Kingdom to 71 Kingsway London WC2B 6st on Oct 09, 2025	1 pages	AD01

Oct 02, 2025	Registered office address changed from 71 Kingsway Fifth Floor Reception Holborn London WC2B 6st United Kingdom to 71 Kingsway Holborn London WC2B 6st on Oct 02, 2025	1 pages	AD01

Sep 29, 2025	Registered office address changed from Mid City Place 71 High Holborn London WC1V 6BA United Kingdom to 71 Kingsway Fifth Floor Reception Holborn London WC2B 6st on Sep 29, 2025	1 pages	AD01

Aug 12, 2025	Appointment of Mrs Yandie Deng as a director on Jul 30, 2025	2 pages	AP01

Aug 12, 2025	Termination of appointment of Matthew John Pitts as a director on Jul 30, 2025	1 pages	TM01

Apr 22, 2025	Confirmation statement made on Apr 17, 2025 with no updates	3 pages	CS01

Aug 16, 2024	Full accounts made up to Mar 31, 2024	63 pages	AA

Apr 17, 2024	Confirmation statement made on Apr 17, 2024 with no updates	3 pages	CS01

Aug 09, 2023	Full accounts made up to Mar 31, 2023	63 pages	AA

Apr 19, 2023	Confirmation statement made on Apr 17, 2023 with no updates	3 pages	CS01

Aug 09, 2022	Full accounts made up to Mar 31, 2022	71 pages	AA

May 17, 2022	Termination of appointment of David Alexander John Foot as a director on May 06, 2022	1 pages	TM01

May 17, 2022	Appointment of Mr James Christopher Heath as a director on May 06, 2022	2 pages	AP01

Apr 19, 2022	Confirmation statement made on Apr 17, 2022 with no updates	3 pages	CS01

Apr 05, 2022	Termination of appointment of Michiharu Ueki as a director on Mar 29, 2022	1 pages	TM01

Apr 04, 2022	Appointment of Mr Akihide Ito as a director on Mar 29, 2022	2 pages	AP01

Nov 04, 2021	Director's details changed for Mr David Alexander John Foot on Oct 22, 2021	2 pages	CH01

Nov 04, 2021	Director's details changed for Ms Elizabeth Jo Beswetherick on Oct 22, 2021	2 pages	CH01

Oct 20, 2021	Full accounts made up to Mar 31, 2021	66 pages	AA

Jul 13, 2021	Termination of appointment of Jun Nishikawa as a director on Jul 02, 2021	1 pages	TM01

Jul 13, 2021	Appointment of Mr Michiharu Ueki as a director on Jul 02, 2021	2 pages	AP01

Apr 20, 2021	Confirmation statement made on Apr 17, 2021 with no updates	3 pages	CS01

Nov 17, 2020	Appointment of Mr Jun Nishikawa as a director on Nov 05, 2020	2 pages	AP01

Nov 17, 2020	Full accounts made up to Mar 31, 2020	15 pages	AA

View All Filings

Who are the officers of DIAMOND TRANSMISSION PARTNERS WALNEY EXTENSION LIMITED?

Officers
Name	Appointed On	Resigned On	Role	Address	Country of Residence	Nationality	Date of Birth	Number
BESWETHERICK, Elizabeth Jo One Bartholomew Close Barts Square EC1A 7BL London Level 7 England	Apr 06, 2020		Director	One Bartholomew Close Barts Square EC1A 7BL London Level 7 England	England	British	1988-1	246894680001
DENG, Yandie Kingsway WC2B 6ST London 71 United Kingdom	Jul 30, 2025		Director	Kingsway WC2B 6ST London 71 United Kingdom	United Kingdom	British	1990-7	339016840001
HEATH, James Christopher One Bartholomew Close Barts Square EC1A 7BL London Level 7 England	May 06, 2022		Director	One Bartholomew Close Barts Square EC1A 7BL London Level 7 England	England	British	1975-12	248901540001
ITO, Akihide Tower H Level 5 Zuidplein 36 1077 Xv Amsterdam Wtc Amsterdam Netherlands	Mar 29, 2022		Director	Tower H Level 5 Zuidplein 36 1077 Xv Amsterdam Wtc Amsterdam Netherlands	Netherlands	Japanese	1969-7	294346160001
THORNTON, Gary Kingsway WC2B 6ST London 71 United Kingdom	Oct 02, 2017		Director	Kingsway WC2B 6ST London 71 United Kingdom	United Kingdom	British	1965-12	185638080001
FOOT, David Alexander John, Mr. One Bartholomew Close Barts Square EC1A 7BL London Level 7 England	Apr 06, 2020	May 06, 2022	Director	One Bartholomew Close Barts Square EC1A 7BL London Level 7 England	England	British	1968-2	245579910001
IHARA, Hiromasa 71 High Holborn WC1V 6BA London Mid City Place United Kingdom	Apr 18, 2017	Mar 26, 2018	Director	71 High Holborn WC1V 6BA London Mid City Place United Kingdom	United Kingdom	Japanese	1972-2	207072080002
KOBAYASHI, Ryoji Higashishin-Cho Higashi-Ku Nagoya-Shi 1 Aichi-Ken 461-0006 Japan	Apr 06, 2020	Nov 05, 2020	Director	Higashishin-Cho Higashi-Ku Nagoya-Shi 1 Aichi-Ken 461-0006 Japan	Japan	Japanese	1977-2	278922850001
LEE, Kwansoo 71 High Holborn WC1V 6BA London Mid City Place United Kingdom	Apr 18, 2017	Jun 10, 2020	Director	71 High Holborn WC1V 6BA London Mid City Place United Kingdom	England	South Korean	1984-3	229314200002
NISHIKAWA, Jun 507 1077 XX Amsterdam Strawinskylaan Netherlands	Nov 05, 2020	Jul 02, 2021	Director	507 1077 XX Amsterdam Strawinskylaan Netherlands	Netherlands	Japanese	1970-11	276655020001
PITTS, Matthew John 71 High Holborn WC1V 6BA London Mid City Place United Kingdom	Jun 10, 2020	Jul 30, 2025	Director	71 High Holborn WC1V 6BA London Mid City Place United Kingdom	United Kingdom	British	1970-8	252968330001
SHIMIZU, Satoshi 71 High Holborn WC1V 6BA London Mid City Place United Kingdom	Apr 18, 2017	Jun 30, 2017	Director	71 High Holborn WC1V 6BA London Mid City Place United Kingdom	United Kingdom	Japanese	1981-10	205668600002
UEKI, Michiharu 210 High Holborn WC1V 7EP London 2nd Floor England	Jul 02, 2021	Mar 29, 2022	Director	210 High Holborn WC1V 7EP London 2nd Floor England	England	Japanese	1972-12	285195280001
UMEMURA, Yasushi 71 High Holborn WC1V 6BA London Mid City Place United Kingdom	Mar 26, 2018	Mar 31, 2020	Director	71 High Holborn WC1V 6BA London Mid City Place United Kingdom	United Kingdom	Japanese	1974-9	230622940003

View Detailed Information on Officers and People with Significant Control

Who are the persons with significant control of DIAMOND TRANSMISSION PARTNERS WALNEY EXTENSION LIMITED?

Persons with significant controls

Name

Notified On

Address

Ceased

Diamond Transmission Partners Walney Extension (Holdings) Limited

Apr 18, 2017

71 High Holborn

WC1V 6BA London

Mid City Place

United Kingdom

Legal Form	Limited By Shares
Country Registered	England And Wales
Legal Authority	United Kingdom (England And Wales)
Place Registered	Companies House
Registration Number	10725211

Natures of Control

The person holds, directly or indirectly, more than 75% of the shares in the company.
The person holds, directly or indirectly, more than 75% of the voting rights in the company.
The person holds the right, directly or indirectly, to appoint or remove a majority of the board of directors of the company.

View Detailed Information on Persons with Significant Control

Data Source

UK Companies House
The official register of companies in the UK, providing public access to company information such as names, addresses, directors, and financial filings.
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