Red Admiral butterfly
Nope. That is a small tortoiseshell butterfly. At this time of year it will be looking for an overwinter hibernation site, so best thing to do is stick it in a shed or something like that, where it will avoid the frost.
http://london.iwitness24.co.uk/en/p...erfly-enjoying-the-early-spring-sunshine.html
This one must be wrong as well then.