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The first looks a little like a Fallopia and the second a figwort - it is usual to put only one species per entry so if you take out the second picture and make a new observation using it you may get more takers
... a Scrophularia (figwort), but it's not clear enough for me to identify the species, and the flowers look rather symmetrical for a figwort, so I'm not 100% sure on the genus..
Will try to post more photos of the second one, in case they enable you to identify the species if you have time.
Lat/Lng: 52.6, 1.2
OS grid ref: TG2208