All answers are places on the coastline of the UK, 4, the second letter is in the greeting, 8, a blackbird on top of the candle,
30, you may find Theo here. no number of letters given.
Difficult to know whether the guess is right. 4 might be BRIGHTON. 8 should end in WICK, but the closest I can get is BERWICK (there is a Ravenswick, but it isn't on the coast(