Siân Berry
Green Party · Brighton Pavilion
FULL PROFILESiân Berry is the Green Party MP for Brighton Pavilion, first elected in 2024. She is 51 years old. As an opposition MP, they are expected to vote against the government on most whipped divisions.
Ideology
Voting Behaviour
Key Interests
Air quality and environmental health · Civil liberties and surveillance · Transport and infrastructure · Welfare and social security · Local democracy and accountability
Positions
Air Quality — Strong advocate for enhanced monitoring and public awareness
strong
Digital ID Cards — Strongly opposed to mandatory digital identification
strong
Welfare Reform — Opposed to benefit cuts and restrictions
strong
Aviation Policy — Critical of policies favouring frequent flyers over climate concerns
moderate
Local Democracy — Supports citizen assemblies and community participation
moderate
Transport Accessibility — Advocates for improved concessionary travel schemes
moderate
Housing — Critical of unfair housing system affecting women disproportionately
moderate
Royal Transparency — Supports greater transparency in Royal finances and collections
weak
Notable Rebellions
2025-12-02 — Voted in favour of limiting inheritance tax reliefs, consistent with Green Party opposition to tax advantages for wealthy landowners and business owners
Reasoning Style
Evidence-based and rights-focused, combining detailed policy knowledge with principled opposition to authoritarian measures. Uses specific examples and data to support arguments, while maintaining focus on protecting civil liberties and environmental standards.
Background
Siân Berry has extensive experience in environmental campaigning and local politics before entering Parliament, having previously worked on air quality and surveillance issues for many years. She has a background in Green Party activism and served as a London Assembly member.