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Compare

Deirdre Costigan vs Tristan Osborne

A side-by-side comparison of voting participation, party rebellion, topic focus, and recent voting overlap.

Photograph of Deirdre Costigan
Deirdre Costigan
Lab Ealing Southall
vs
Photograph of Tristan Osborne
Tristan Osborne
Lab Chatham and Aylesford

Voting alignment

Deirdre Costigan and Tristan Osborne voted the same way 100% of the time, based on 439 shared comparable votes.

439 same votes 0 different votes 439 shared votes

Alignment only includes divisions where both MPs recorded an Aye or No vote. Tellers, absences, abstentions, and missing votes are excluded.

Topic alignment

Closest by topic
50 Aye 41 No
Tax 100% aligned 91 shared votes
50 Aye 41 No
28 Aye 24 No
Crime / Justice 100% aligned 52 shared votes
28 Aye 24 No
26 Aye 17 No
Education 100% aligned 43 shared votes
26 Aye 17 No
20 Aye 11 No
Housing 100% aligned 31 shared votes
20 Aye 11 No
19 Aye 4 No
Work / Employment 100% aligned 23 shared votes
19 Aye 4 No
Most different by topic
50 Aye 41 No
Tax 100% aligned 91 shared votes
50 Aye 41 No
28 Aye 24 No
Crime / Justice 100% aligned 52 shared votes
28 Aye 24 No
26 Aye 17 No
Education 100% aligned 43 shared votes
26 Aye 17 No
20 Aye 11 No
Housing 100% aligned 31 shared votes
20 Aye 11 No
19 Aye 4 No
Work / Employment 100% aligned 23 shared votes
19 Aye 4 No

Topic alignment uses local topic tags, so a division can count towards more than one topic.

Voting record

91.1 %
18 % above average
Rank 14 of 649
Participation
93.2 %
21 % above average
Rank 8 of 649
524
575 eligible divisions
Total votes
536
575 eligible divisions
273
52.1 % of votes cast
Aye votes
274
51.1 % of votes cast
251
47.9 % of votes cast
No votes
262
48.9 % of votes cast
1
0.2 % of votes cast
Against party
1
0.2 % of votes cast
2 years, 1 months
Since 4 Jul 2024
Commons service
2 years, 1 months
Since 4 Jul 2024

Debates

6
-71.9 vs Commons average
Rank 624 of 650
Appearances
40
-37.9 vs Commons average
Rank 490 of 650
6
-132.3 vs Commons average
Rank 622 of 650
Contributions
48
-90.3 vs Commons average
Rank 503 of 650

Debate figures cover imported Hansard debate appearances from the last 12 months.

Financials and interests

£196,485
all imported IPSA years
Lifetime expenses
£200,007
all imported IPSA years
£196,485
13 % below average
Latest expenses
£200,007
12 % below average
0
0 registered categories
Registered interests
1
1 registered category
1
matched sponsored bills
Sponsored bills
0
matched sponsored bills

Expenses use IPSA totals for financial year 2024-25. Sponsored bill counts depend on currently imported bill sponsor metadata.

Most active voting topics

Work / Employment
39 of 39 votes
#1
Housing
31 of 31 votes
Housing
31 of 31 votes
#2
Benefits
30 of 30 votes
Migration
13 of 13 votes
#3
Devolution / Local Government
24 of 24 votes
Digital / Online Safety
11 of 11 votes
#4
Migration
13 of 13 votes
NHS / Health
11 of 11 votes
#5
Digital / Online Safety
11 of 11 votes

Recent voting overlap

These MPs agreed on every division where both voted in the current comparison sample.

Where they voted the same
Aye
Draft Trade Unions (Permissible Means of Voting) and Employment Rights (Unfair Dismissal) (Amendment) Order 2026 15 Jul 2026
Trade Work / Employment
Aye
Aye
Draft Code of Practice on Electronic and Workplace Ballots for Statutory Trade Union Ballots 15 Jul 2026
Trade Work / Employment
Aye
No
Public Office (Accountability) Bill Report Stage: Amendment 19 14 Jul 2026
No
No
Public Office (Accountability) Bill Report Stage: Amendment 199 14 Jul 2026
No
No
Public Office (Accountability) Bill Report Stage: Amendment 3 14 Jul 2026
No
Aye
Immigration and Asylum Bill: Second Reading 13 Jul 2026
Migration
Aye
No
Immigration and Asylum Bill: Reasoned Amendment to Second Reading 13 Jul 2026
Migration
No
No
Taxation (Energy and Vehicles) Bill Committee: New Clause 5 1 Jul 2026
Energy Tax Transport
No
No
Taxation (Energy and Vehicles) Bill Committee: New Clause 4 1 Jul 2026
Energy Tax Transport
No
No
Taxation (Energy and Vehicles) Bill Committee: New Clause 2 1 Jul 2026
Energy Tax Transport
No
Member source UK Parliament Members API
Voting source Commons Votes API