Some good suggestions. Many of them we have done. I guess we have been looking for places to fly that are not too far for many years.
Possibles from that list are Skegness, Clacton and the Scottish ones. Trying to keep it under an hour for the bored kids!
Some other good suggestions for longer trips like overnight. Fancy Sligo and Scilly and Plockton. I have once flown off Scilly (but not onto it) when someone I let use my plane landed, burst a tyre and left it there. It is a lovely place. It is also ten or fifteen minutes further flying time than Northern France for us!
Aberporth is a great one. We have done that one with a walk down to the beach. Is it not always open these days?
Anyway thanks for the ideas. If the weather is nice we will be going to one of them.