Tory seat only because of the vote for smaller parties

These constituencies could be Labour if people chose to vote for the Labour candidate instead of for smaller parties with no chance of winning this seat.

Calder Valley
Carmarthen West and Pembrokeshire South
Chipping Barnet
Clwyd West
Hastings and Rye
Hendon
Mansfield
Northampton North
Northampton South
Norwich North
Preseli Pembrokeshire
Pudsey
Southampton Itchen
Stoke-on-Trent South
Telford
Thurrock
Vale of Glamorgan