Votes and decisions
How Lords amendment votes work
When the House of Lords changes a Bill, the House of Commons must consider those changes before the Bill can normally proceed to final agreement. MPs may be asked to accept a Lords amendment, reject it, alter it or propose different wording instead.
Short answer
If the Lords changes a Bill, the Commons considers the changes made by the Lords. A Commons division at this point usually concerns a particular amendment or group of amendments, rather than reopening the whole Bill from the beginning.
Where Lords amendments fit
This is only the part of the Bill process needed to understand these votes. The detailed stages before this point are covered in the Bill-stage guide.
First House completes its stages
The Bill passes through the main stages in the House where it began.
Second House considers the Bill
The other House considers the Bill and may change its wording through amendments.
Lords changes return to the Commons
For a Bill that began in the Commons, amendments made by the Lords are sent back for MPs to consider.
Commons decides its response
MPs can accept a Lords change, reject it or propose a different version.
Further exchanges if needed
If the Houses still disagree, the Bill can return between them with revised proposals.
Same text agreed
Once both Houses agree the final wording, the Bill can normally proceed to Royal Assent.
Commons response
What MPs may be voting on
The motion tells you what the Commons is being asked to do with the Lords proposal. Similar-looking votes can therefore have opposite effects depending on whether the motion says “agree”, “disagree” or proposes alternative wording.
Wording you may see in a vote title
Commons papers use formal wording because the House is deciding the precise response to another House. These phrases are useful indicators of what the vote would do.
| Wording | What it means in practice |
|---|---|
| Agree with the Lords in their Amendment | The Commons is being asked to accept the change made by the Lords. |
| Disagree with the Lords in their Amendment | The Commons is being asked to reject that Lords change. |
| Amend the Lords Amendment | The Commons is considering altered wording rather than accepting the Lords amendment exactly as sent. |
| Amendment in lieu | The Commons proposes alternative wording in place of a Lords amendment it does not accept. |
| Insist on / do not insist on | The House is deciding whether to maintain or withdraw a position it took in an earlier round. |
| Lords Amendment 1B, 1C and similar labels | The suffix can identify a later proposal in the exchanges between the Houses. The current motion and amendment paper show exactly what wording is under consideration. |
What does a Lords amendment vote mean?
The result settles the particular Commons motion put on that amendment or related proposal. Its formal scope may be narrow, although the change itself can have substantial legal or political consequences for the Bill.
The motion is the key
An Aye supports the motion as worded. If the motion is to agree with the Lords, an Aye supports accepting the Lords change. If the motion is to disagree, an Aye supports rejecting that change.
The amendment provides the substance
The amendment paper, Bill page and debate show what the proposed wording would change. That context is needed to understand the practical significance of the Aye/No result.
Consideration of amendments
What is parliamentary “ping-pong”?
“Ping-pong” is the informal name for the period when the Commons and Lords consider each other’s amendments and alternative proposals. If one House does not accept the other’s position, the Bill can be sent back with another proposal for consideration.
A further vote may therefore concern the same policy issue but different wording from an earlier division. The latest motion and amendment paper are the best guide to what is now being decided.
What if the two Houses do not reach agreement?
The normal route requires the Commons and Lords to agree the same final text. If they cannot do so, a Bill can fall. The Parliament Acts provide a limited exception for certain public Bills that start in the House of Commons.
For most qualifying Commons public Bills
The Lords can delay rather than permanently veto the Bill. If the statutory conditions are met, the Commons can pass the Bill again in a later session and it can ultimately be presented for Royal Assent without the Lords agreeing to it.
It is not a general override
The Parliament Acts apply only in defined circumstances. Money Bills have a separate one-month rule, and some Bills are outside the Acts altogether. They also do not apply to delegated legislation such as statutory instruments.
The Parliament Acts are an exceptional route with detailed statutory conditions. The future How laws are made guide will cover those rules in more depth.
What the result does not establish on its own
Worked example from Project Open Gov
A real Commons vote on a Lords amendment
The vote was on a Commons motion to agree Lords Amendment 1. Hansard records that the amendment was intended to clarify the Bill would not criminalise genuine humanitarian activity by NGOs or journalists and would strengthen the framework for prosecuting those acting for foreign intelligence services and their proxies.
National Security (State Threats) Bill
The figures show the numerical result. The motion label explains the Commons response that those Ayes and Noes decided.
How Project Open Gov presents Lords amendment votes
Project Open Gov uses a Lords amendment vote label where the official title or motion shows that the Commons is responding to a change made by the Lords. The individual division wording is then used to explain whether MPs were being asked to agree, disagree or consider an alternative proposal.
Where a related Bill can be identified, the vote is also linked back to the Bill so the amendment can be understood within the wider legislation without repeating the Bill’s full history on the vote page.
Continue learning
Use the related guides for the wider Bill-stage context, vote classification or the numerical result.
Votes and decisions
Return to the main votes learning area.
Open section →How bill stage votes work
Understand votes during Second Reading, Committee, Report Stage and Third Reading.
Read guide →What kind of vote is this?
Identify the vote category from the title, motion and parliamentary context.
Read guide →How to understand a vote result
Read Ayes, Noes, majority, division numbers and party breakdowns.
Read guide →How statutory instrument votes work
Understand votes on regulations, orders and other statutory instruments.
Read guide →Official sources
Use the amendment papers, Bill proceedings, Hansard and division record to check the exact proposal and the Commons response.