An 18 year old for less than £20? Also, at mistaken first glance, from the "Speyside" distillery— who do quite a nice 12 year old. So of course I bought it.
Only it's not actually from the Speyside distillery, just a Speyside distillery. The best guess I can find via google is that it's a Tamnavulin, but Lidl and the mysterious Clydesdale Scotch Whisky Company (W&M?) are not telling.
Nose: Restrained, soft honey.
Mouth: Very smooth. Vanilla and wood.
Finish: Very very smooth. Oak and cinnamon.
Given the complete lack of spiritiness or harsh notes, there could be a fair amount of even older stuff in there. It's certainly more refined and quite a lot nicer than some much older (and more expensive) single malts— though not the most complex dram out there.
Definitely worth snapping up, though.