Write to Your MP
Type your letter online. We print it and post it directly to your MP at the House of Commons — no printer, no envelope, no stamp.
Write My Letter Now →Every UK resident has the right to write to their Member of Parliament. MPs are obligated to engage with correspondence from their constituents, and a physical letter sent to the House of Commons carries significantly more weight than an email or an online petition. It creates a paper trail, signals that you are serious, and is far harder to ignore.
PostRight guides you through writing a clear, well-structured letter covering your issue, the impact on you as a constituent, and the action you want your MP to take. PostRight then prints it on clean headed paper and posts it by Royal Mail directly to the House of Commons address, so your MP receives it formally and officially.
Whether you are raising a planning issue, a local NHS problem, an immigration case, or a matter of national policy, a letter from a constituent arriving in an MP's post bag gets read. MPs and their staff handle constituency correspondence as a core part of their role. A well-written letter that clearly explains the issue and states what action you want taken is the most effective form of political engagement available to any UK resident.
Received a letter from the House of Commons?
An envelope marked House of Commons is almost always a reply from your own MP. MPs and their staff reply on Commons stationery to letters and emails from constituents, and casework updates arrive the same way.
Other common reasons include a response your MP made on your behalf to a government department, an invitation to a local surgery, or correspondence following a petition or campaign email you signed.
It is not a legal summons. Courts and HMRC do not write on House of Commons paper.
If you have not contacted your MP, a household member may have, or the letter may relate to a campaign mailing list.
If the letter invites a reply, a posted response is harder to overlook than an email — reply to your MP by post.
What's included in your letter
- ✓Guided letter builder — covers issue, impact, and desired action
- ✓Posted to House of Commons, London, SW1A 0AA
- ✓Carries more weight than email or online forms
- ✓Creates a formal, dated paper trail
- ✓Find your MP at members.parliament.uk
- ✓No printer, envelope, or stamp needed
Legal basis: Constitutional Convention — Right to Petition Elected Representatives
Frequently Asked Questions
Ready to send your letter?
PostRight prints and posts your letter via Royal Mail — no printing, no stamps, no hassle.
Start Your Letter Now →From £2.79 · Printed & posted by Royal Mail