I hope someone else can get there better than I can. The only thing that I'm stuck with is the first word is likely "The", but if that's not correct, it's very probably derailing my thinking!

Trying to think of what could be referred to as an island without being what people think of as traditionally an island (like Majorca). The only thing I've got so far is a traffic island, or potentially some form of roundabout (eg. Simister Island). The word roundabout also ending in T...

Tinsley roundabout ? Is that an island? If it is, I've got to give the credit to HamsterChops for mentioning roundabout

Yes it's Tingley Roundabout, well done

What was Rigsby's first name in Rising Damp

This is a good one. Can you name a father and son who played in the same cricket test team at the same time?

This is a very good question and one that I have absolutely no idea. Could it be a trick question

Miandad

Of course, bl00dy hell

Well done Jim

Rupert. (I think.)

Correct, I think it only got mentioned in a couple of episodes

What a name, Rupert Rigsby

How many times does the number 9 appear between 1 and 100

19

No

A trick question then? I had 9, 19, 29, 39, 49, 59, 69, 79, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99.

Not a trick question mate

Count them again

Oh aye, twice in 99 so the answer is 20. That's what happens after a pint at Sunday dinnertime.