NO
For an allotment in North Kent.
Your climate is very different than ours, here, in the US. Most of your area is plenty warm enough for any bean variety during Autumn, but you could definitely choose whatever cultivar of Broad Bean that you want. They are very forgiving of cold temperatures.
Here are some articles that will help:
https://www.gardeningknowhow.com/edible/vegetables/beans/growing-fava-beans.htm
https://www.gardeningknowhow.com/edible/vegetables/beans/growing-beans-in-fall.htm
please can you tell me
Generally speaking, you want to plant the seed on its side. The root and shoot, both, are attached to the first shoot that comes out. Placing it on the side ensures that each part goes the way that it should.
Here is an article that will help you to grow the beans, successfully:
https://www.gardeningknowhow.com/edible/vegetables/beans/growing-fava-beans.htm
I transplant beans at about 5cm they have grown well for three weeks then dead overnight . It has been dry but I watered . Not frost as other rows unaffected . Grown for years never seen this before .
This article should help: