It's Scotland. Nobody would notice. Might actually improve some places.
You say this in jest but after Putin's comments today and his clear threat to the UK ("I will remember this") I think he would nuke jolly old England first.
No matter how you slice it, it is still the most formidable military power in Europe when it comes to being able to deploy quickly.
Most importantly it was the one 'prize' the Germans could not take when they attacked western Europe because it would take an amphibious or air assault.
The Russians could grind their way to the coast of Holland and France with tanks, trucks and trains but not to the UK.
Not to mention it would be a 'single' target as an island and force the rest of Europe into submission without doing any damage to the lands to be conquered.
It has no meaning to the Russian or Orthodox world and if the aim is to destroy the rulebook of the west and capitalism than England provides little more than banks and services the Tsar does not require.
There is no vast manufacturing capability like in Germany, large farmlands like in France or a massive port, logistics and energy hub like in Holland.
It's a fortress and vault that would never submit and Putin can do without and as a nuclear hazard would form a formidable barrier for any US based navy force.
If he would ever nuke something it would be the big floating rock.