https://www.wbstudiotour.co.uk/
Lots of changes since my visit in 2014, one of those being the addition of the Hogwarts Express!
Griffindoor common room
Tri Wizard cup and Golden Egg
Dumbledores office
The potions lab
Gringots bank, vault door
The Weasley's House
Umbridge's office
Brunch at Fegos in Gerrards Cross
http://www.fegocaffe.co.uk/