NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WEST) PLC

Active Company number 02366894

NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WEST) PLC (company number 02366894) is a public limited company incorporated on 1 April 1989. Its status on the Companies House register is Active. Its registered office is in Bristol, BS2 0TB. Its nature of business (SIC 2007) is distribution of electricity (35130). Its latest accounts we hold, for the period ending 31 March 2026, report turnover of £457.9m and net assets of £1.6bn.

Source: Companies House register, as at 29 September 2026. How to cite this page

Information only, not advice. Register details and accounts figures are the company's own filings, shown as filed: CompanyStack does not audit or verify them and accepts no responsibility for decisions made on them. Check important facts at Companies House.

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Company Report on NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WEST) PLC (PDF)

The register, the accounts and the people behind the company in one PDF, for your own business use.

Summary and Health Score: with the reasons behind the score
Red flags: and what changed in the last 12 months
Key figures: the accounts to 31 Mar 2026 against the year before
Filing deadlines: accounts due 30 Sep 2027; confirmation statement due 6 Apr 2027
Financials ledger: 2 years of filed accounts held (2025–2026)
Who runs and owns it: 1 PSC
Charges: 0 outstanding of 1 charge registered
Filing history and methodology: with sources and a disclaimer

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Company details

Company number: 02366894
Status: Active
Company type: Public Limited Company
Incorporated: 1 April 1989
Country of origin: United Kingdom
Registered office: AVONBANK
FEEDER ROAD
BRISTOL
AVON
BS2 0TB

Nature of business (SIC 2007)

35130 — Distribution of electricity

Accounts and confirmation statement

Accounting reference date: 31 March
Accounts category: FULL
Accounts last made up to: 31 March 2026
Next accounts due: 30 September 2027
Confirmation statement last made up to: 23 March 2026
Next confirmation statement due: 6 April 2027

Financial summary

Period ending	31 March 2026	31 March 2025
Turnover	£457.9m	£536.5m
Operating profit	£226.0m	£311.6m
Profit before tax	£158.0m	£248.9m
Profit after tax	£122.8m	£183.3m
Total assets	£4.8bn	£4.4bn
Cash at bank	£26.0m	£1.0m
Net assets	£1.6bn	£1.5bn

Figures read from filings at Companies House (full) and checked; see how we read them. Small-company accounts often omit turnover and profit. Spotted an error? Tell us.

Control, officers and charges

Persons with significant control: 1 current (1 including ceased)
Corporate controllers: National Grid Electricity Distribution Network Holdings Limited
Charges (mortgages): 1 registered, 0 outstanding, 1 satisfied

Previous names

WESTERN POWER DISTRIBUTION (SOUTH WEST) PLC (changed 20 September 2022)

Questions about NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WEST) PLC

Is NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WEST) PLC active?

Yes. The Companies House register shows the company's status as “Active”. (Companies House register, as at 29 September 2026.)

When was NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WEST) PLC incorporated?

NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WEST) PLC was incorporated on 1 April 1989, according to the Companies House register. (Companies House register, as at 29 September 2026.)

Where is NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WEST) PLC registered?

Its registered office is in Bristol, BS2 0TB. (Companies House register, as at 29 September 2026.)

Who controls NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WEST) PLC?

The register lists 1 current person with significant control (1 including those who have ceased). Corporate controllers named on the register: National Grid Electricity Distribution Network Holdings Limited. The register shows control, not a list of shareholders. Individuals are named at https://find-and-update.company-information.service.gov.uk/company/02366894/persons-with-significant-control. (Companies House register, as at 29 September 2026.) Who owns a UK limited company: shareholders, PSCs and what the register shows

When are NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WEST) PLC's next accounts due?

The register shows the next accounts as due by 30 September 2027. Its latest accounts on the register were made up to 31 March 2026. (Companies House register, as at 29 September 2026.)

Does NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WEST) PLC file dormant accounts?

Not in its latest accounts. The register gives their category as “Full accounts”, made up to 31 March 2026. (Companies House register, as at 29 September 2026.) What a dormant company is and what it must file

Does NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WEST) PLC have any charges registered against it?

Yes. The register shows 1 charge: 0 outstanding and 1 satisfied. The charges themselves are listed at https://find-and-update.company-information.service.gov.uk/company/02366894/charges. (Companies House register, as at 29 September 2026.) Company charges: what a mortgage or debenture means and how to read one

Is NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WEST) PLC on a sanctions list?

No match for this company's name on the sanctions lists CompanyStack screens (UK, EU, OFAC SDN, OFAC non-SDN, Canada, Australia, New Zealand, Japan, France, US CSL) as at 9 October 2026. A name screen is not legal clearance.

More distribution of electricity companies

Industry overview: 886 active companies in SIC 35130

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Companies registered in Bristol

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Companies with similar names

Other companies, LLPs and partnerships on the Companies House register whose names begin “NATIONAL GRID”. Each is a separate legal entity from NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WEST) PLC: check the registered number before relying on a name. Register data as at 29 September 2026.

NATIONAL GRID (US) HOLDINGS LIMITED (Company, Active; 02630496)
NATIONAL GRID (US) INVESTMENTS 4 LIMITED (Company, Active; 03867128)
NATIONAL GRID (US) PARTNER 1 LIMITED (Company, Active, London; 04314432)
NATIONAL GRID CARBON LIMITED (Company, Active; 03932833)
NATIONAL GRID COMMERCIAL HOLDINGS LIMITED (Company, Active; 04042700)
NATIONAL GRID CONTINENTAL LIMITED (Company, Active, London; 14716234)

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Sources for company pages: Companies House (register, accounts, officers, PSCs, charges and filings), The Gazette (company insolvency notices only), the ONS Postcode Directory, official sanctions lists, including those of the UK (with UN designations), the EU, the US, Canada, Australia, New Zealand and France, and copies taken in April 2026 of the ICO register, the Charity Commission, CQC, Ofsted, Food Standards Agency and Environment Agency registers. Contains public sector information licensed under the Open Government Licence v3.0. CompanyStack is not affiliated with or endorsed by Companies House.

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Official register entry: NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WEST) PLC on Companies House.

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