Conservative 365 43.6
Labour 202 32.1
Liberal Democrats 11 11.6
SNP 48 3.9
Green 1 2.7
Brexit Party 2
DUP 8 0.8
Sinn Féin 7 0.6
Plaid Cymru 4 0.5
Alliance 1 0.4
SDLP 2 0.4

Map of Great Britain constituencies by which party had the greatest increase in vote share in the 2019 General Election from MapPorn

https://en.wikipedia.org/wiki/2019_United_Kingdom_general_election