Meindl, Scarpa, Solomon, Karimoor, Berghaus are all good makes, also Trezeta I've been using a pair for years and find them great.
I know some folks don't like boots with Gortex linings because they make their feet sweaty. I have never found this to be a problem and I would not buy a new pair now without a Gortex liner.
From the uses you have mentioned you don't need anything more than 3 season boots and maybe even 2 season, though there is a fair bit of overlap between the two.
Go to a shop and tell them what you want to do with the boots, but not your budget, and see what they come up with.
£130 and probably a good bit less will get you a boot for your uses.
There are plenty of stores around but as you are in Scotland, TISO would be a reasonable place to start.
Dave