Will this be the death of UK Labour?

The Guardian reports:

The latest opinion polls show that Jeremy Corbyn’s Labour is facing a general election defeat on the scale of Michael Foot’s 1983 loss to Margaret Thatcher when Labour was reduced to just 209 MPs – its lowest total in the second half of the 20th century. …

Will it happen again this time? Will Theresa May’s snap election enable the Tories to drive into Labour’s heartlands in the Midlands and the north of England in a way not seen since that 1983 Thatcher victory? Will May in the process really be able to “kill off” Labour as the Sun newspaper predicted on Wednesday?

There’s been five polls since the election was called. The Conservatives are averaging 46% and Labour 26%.

Electoral Calculus projects that this would result in 410 seats for the Conservatives and 161 for Labour.