Sleaford and North Hykeham.

Twice breaking with the Conservative whip on the Tobacco and Vapes Bill -- voting for it at Second Reading in November 2024 and again at Third Reading in March 2025 -- Caroline Johnson is not a habitual rebel, but those votes were deliberate. A consultant paediatrician before entering Parliament, she backed the smokefree generation legislation while most of her colleagues opposed it, a rare instance of her medical background visibly shaping her parliamentary behaviour. Beyond those two votes, she has kept near-perfect party discipline (99.4%) and has been most recently visible in pressing for the Prime Minister to be referred to the Privileges Committee over the Mandelson appointment, and opposing the government's Pension Schemes Bill reserve power on investment mandation.

Her participation rate sits at 70%, somewhat below the Commons average. Her speeches cluster heavily around health (117 contributions), with social care and the economy also prominent -- consistent with her clinical background and a rural constituency with pressures on both. She is a 100% supporter of Lords scrutiny positions, systematically backing the upper chamber against the government on the English Devolution and Community Empowerment Bill. She scores strongly pro-business and tough-on-crime, and is notably less aligned with workers' rights or progressive taxation votes than her party average.

Outside Westminster, Johnson secured a high-profile outcome on a constituency crime case: her written referral to the Attorney General over what she called a "woefully inadequate" sentence for a driver who killed two teenagers led directly to an appeal and a longer jail term. She has also secured a parliamentary debate on solar farm development and is lobbying for improvements to Sleaford train station. She sits on the Education Committee. Sentiment data across 22 recent news articles is broadly neutral.