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National Grid Electricity Distribution (South Wales) PLC
Connecting people to the energy they use safely, reliably and efficiently. The company’s own description of itself, taken from its website.
Active 37 years old · 1,021st oldest of 4,506 · incorporated in the 1980s
Registered office
AVONBANK, FEEDER ROAD, BRISTOL, BS2 0TB
GLEIF records a different headquarters address: 1-3 Strand, London, WC2N 5EH. A registered office is where filings are served, which for a large group is often its lawyers or company secretary rather than where the business is run.
Other PLCs registered in Bristol
Online
Website www.nationalgrid.com
Found by searching for the company name and kept only where the domain matches it. Social accounts are listed only where the company links to them from its own site. Nothing here is supplied by the company to us.
Group structure
Its immediate parent is NATIONAL GRID PLC.
Ownership as recorded by GLEIF, the body that issues Legal Entity Identifiers. Unlike a shared registered office, these relationships are filed and validated, so they are evidence of a real corporate link.
Filing history
This company has 356 documents on its Companies House record. The most recent accounts were filed on 09/08/2026. Its last confirmation statement or annual return was filed on 13/10/2025.
The most recent filings
This is the list of documents filed, not their contents. A line saying accounts were filed records that they were filed and when; it says nothing about turnover, profit or assets, which are inside the documents themselves and are not published here. Read the filings on the Companies House record.
Who runs it
The register lists 7 current officers and 42 who have resigned.
Who controls it
Companies must record the people or entities with significant control. The register shows 1 current entry.
Owns 75% to 100% of the shares; Holds 75% to 100% of the voting rights; Can appoint and remove directors since 06/04/2016
Charges
No charges are registered against this company.
Officers, controllers and charges are as recorded on the Companies House register on 13/10/2026, and the register changes daily. Appearing here is not an allegation about anyone. Read the current record on the Companies House record.
What it does
This page is compiled from the public register. Companies House does not verify the information filed with it, so treat everything here as what the company reported rather than as established fact. For filings, officers and charges, see the official Companies House record.
Also at BS2 0TB
- National Grid Electricity Distribution (East Midlands) PLC
- National Grid Electricity Distribution (South West) PLC
- National Grid Electricity Distribution (West Midlands) PLC
- National Grid Electricity Distribution PLC
A shared registered office is not evidence of a relationship. Formation agents and genuine groups look identical on the register.
On the register
- 1,021st oldest of 4,506 PLCs
- One of the 1980s cohort
- Not in liquidation or facing strike off
There are 4,506 PLCs in Britain, under a tenth of one per cent of the register. The whole count.