National Grid plc head office mailing address
To mail a letter to National Grid plc, an energy utility, send it to the company's head office at National Grid plc, 1-3 Strand, London, WC2N 5EH. This is National Grid plc's publicly listed corporate head office — the right address for written correspondence, feedback, and formal notices. Add your return address if you'd like a reply, and confirm the address on the company's official contact page before anything time-sensitive.
National Grid plc — head office
National Grid plc 1-3 Strand London WC2N 5EH
Written correspondence, customer feedback, and formal notices to the company. This is the corporate head office — not a store, branch, or service centre.
Write it now. We print & mail it for £4.
Type your letter in the browser. We print it, stamp it, and hand it to Royal Mail — usually same business day. No printer, no stamps, no post office.
£4 flat · postage included · no account needed
- You write & pay
- We print & envelope
- Royal Mail, next business day
- Confirmation of Mailing emailed
Your name
Your return address
National Grid plc1-3 StrandLondon, WC2N 5EH
Your letter, printed and mailed for you.
Key facts
- This is National Grid plc's corporate head office address, taken from the company's own contact page.
- National Grid plc is an energy utility.
- Use it for letters, feedback, and formal written notices — not for parcels or in-store returns.
- Head offices relay mail internally; an attention line (e.g. "Customer Relations") helps it land in the right place.
- Include your return address and any reference number so the company can respond.
- PostPal prints your letter and mails it for you — no printer, envelope, stamps, or post office trip.
How to send your letter
- 1
Decide who your letter is for
A letter to the head office reaches the company generally. If it's for a particular team, add an attention line such as "Attention: Customer Relations" or "Office of the President" so it's routed faster.
- 2
Write your letter
Keep it clear and factual. Include any account, order, or reference number, the outcome you're looking for, and your return address so the company can write back.
- 3
Address it to the head office
First line: National Grid plc. Then the street: 1-3 Strand. Then the city line: London WC2N 5EH.
- 4
Send it with PostPal
Write or upload your letter to PostPal with the address above prefilled. We print it, add your return address, and mail it for you — no printer, envelope, stamps, or trip to the post office.
Common questions
What does National Grid plc do?
National Grid plc is an energy utility. The address above is its corporate head office — the right place for written correspondence, customer feedback, and formal notices.
What is National Grid plc's head office mailing address?
National Grid plc, 1-3 Strand, London, WC2N 5EH. It's the company's publicly listed corporate head office — the right address for written correspondence, feedback, and formal notices. Confirm it on National Grid plc's official contact page before anything time-sensitive.
Will someone actually read my letter or write back?
Head offices route incoming mail to the relevant team, so a letter to the corporate address does get handled — but a personal reply isn't guaranteed. Including your return address, an account or reference number, and a clear request gives you the best chance of a response.
Is this a store or branch address?
No — this is National Grid plc's corporate head office. For something tied to a specific location, contact that store or branch directly; use the head office for company-wide correspondence and formal notices.
Can I mail documents or a formal notice here?
Yes — you can send letters and printed documents to the head office. If you're formally serving legal documents, a company may designate a separate registered or legal address, so check its official filings first.
How do I mail National Grid plc a letter without a printer?
Write or upload your letter to PostPal with the address prefilled. We print it, add your return address, and mail it for you — no printer, stamps, or post office trip needed.
Sources
Addresses verified August 2026 against official sources. Always confirm on the official site before time-sensitive filings.