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Compare

Melanie Onn vs Alberto Costa

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

Photograph of Melanie Onn
Melanie Onn
Lab Great Grimsby and Cleethorpes
vs
Photograph of Alberto Costa
Alberto Costa
Con South Leicestershire

Voting alignment

Melanie Onn and Alberto Costa voted the same way 6% of the time, based on 786 shared comparable votes.

48 same votes 738 different votes 786 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
1 Aye 7 No
Democracy / Parliament 13% aligned 8 shared votes
6 Aye 2 No
5 Aye 12 No
Migration 12% aligned 17 shared votes
12 Aye 5 No
82 Aye 39 No
Brexit / EU 12% aligned 121 shared votes
45 Aye 76 No
16 Aye 5 No
Benefits 10% aligned 21 shared votes
3 Aye 18 No
30 Aye 16 No
Crime / Justice 9% aligned 46 shared votes
20 Aye 26 No
Most different by topic
88 Aye 59 No
Tax 0% aligned 147 shared votes
59 Aye 88 No
12 Aye 14 No
Work / Employment 0% aligned 26 shared votes
14 Aye 12 No
5 Aye 18 No
Housing 0% aligned 23 shared votes
18 Aye 5 No
6 Aye 14 No
Defence 0% aligned 20 shared votes
14 Aye 6 No
13 Aye 7 No
Devolution / Local Government 0% aligned 20 shared votes
7 Aye 13 No

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

Voting record

73.9%
1% above average
Rank 335 of 649
Participation
81.1%
8% above average
Rank 179 of 649
436
590 eligible divisions
Total votes
1,927
2,376 eligible divisions
214
49.1% of votes cast
Aye votes
912
47.3% of votes cast
222
50.9% of votes cast
No votes
1,015
52.7% of votes cast
1
0.2% of votes cast
Against party
9
0.5% of votes cast
2 years, 2 months
Since 4 Jul 2024
Commons service
11 years, 4 months
Since 7 May 2015

Debates

90
+7.7 vs Commons average
Rank 212 of 649
Appearances
22
-60.3 vs Commons average
Rank 587 of 649
113
-30.5 vs Commons average
Rank 295 of 649
Contributions
23
-120.5 vs Commons average
Rank 594 of 649

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

Financials and interests

£1,014,663
all imported IPSA years
Lifetime expenses
£2,033,867
all imported IPSA years
£201,216
11% below average
Latest expenses
£291,572
29% above average
6
1 registered category
Registered interests
29
7 registered categories
3
matched sponsored bills
Sponsored bills
3
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

Foreign Affairs
4 of 4 votes
#1
Brexit / EU
199 of 211 votes
Devolution / Local Government
21 of 24 votes
#2
Foreign Affairs
64 of 69 votes
Trade
6 of 7 votes
#3
Environment / Climate
44 of 48 votes
Energy
17 of 20 votes
#4
Work / Employment
70 of 77 votes
Tax
94 of 112 votes
#5
Trade
80 of 91 votes

Recent voting overlap

Where they voted differently
Aye
Terminally Ill Adults (End of Life) Bill: Second Reading 11 Sept 2026
No
Aye
Closure motion 11 Sept 2026
No
No
Social Housing Bill [Lords]: Reasoned Amendment to Second Reading 10 Sept 2026
Housing
Aye
Aye
Draft Plant Health, Seeds, Seed Potatoes and Plant Propagating Material (Amendment) (Northern Ireland) Regulations 2026 9 Sept 2026
No
No
Health Bill: Report Stage: Amendment 1 8 Sept 2026
Aye
No
Health Bill: Report Stage: New Clause 143 8 Sept 2026
Aye
No
Health Bill: Report Stage: New Clause 142 8 Sept 2026
Aye
No
Health Bill: Report Stage: New Clause 145 7 Sept 2026
Aye
Aye
Representation of the People Bill: Third Reading 2 Sept 2026
Democracy / Parliament
No
No
Representation of the People Bill: Report Stage: New Clause 67 2 Sept 2026
Democracy / Parliament
Aye
Where they voted the same
No
Representation of the People Bill: Report Stage: New Clause 88 2 Sept 2026
Democracy / Parliament
No
No
King's Speech Motion for an Address: amendment (l) 20 May 2026
No
No
Universal Credit and Personal Independence Payment Bill Committee: New Clause 8 9 Jul 2025
Benefits
No
No
Universal Credit and Personal Independent Payment Bill Committee: Amendment 39 9 Jul 2025
Benefits
No
Aye
Terrorism Act 2000 (Proscribed Organisations) (Amendment) Order 2025 2 Jul 2025
Crime / Justice
Aye
No
Border Security, Asylum and Immigration Bill Report Stage: New Clause 21 12 May 2025
Migration
No
Aye
Early Parliamentary General Election Bill: Third Reading 29 Oct 2019
Aye
Aye
Second Reading: European Union (Withdrawal Agreement) Bill 22 Oct 2019
Brexit / EU Foreign Affairs
Aye
Aye
Motion under section 1 of the European Union (Withdrawal) Act 2019 9 Apr 2019
Brexit / EU
Aye
Aye
Motion to agree to Lords Amendment 5 to the EU (Withdrawal) (No. 5) Bill 8 Apr 2019
Brexit / EU
Aye
Member source UK Parliament Members API
Voting source Commons Votes API