As a rough guide: book six months or more ahead for summer holiday weeks, two to three months ahead for half terms and bank holidays, and anywhere from a few weeks to a couple of months ahead for a standard term-time week. If you're flexible on exact dates, you can comfortably push closer to the wire; if you're fixed on a specific week, particularly a school holiday one, earlier is always safer than later.

If you're not sure, think about what you did on your last few breaks that you enjoyed most. If it was a beach day, book coastal. If it was a quiet walk or a pub lunch somewhere green, the countryside or Broads setting is probably the better fit for this trip.

More information is available at Yorkshire coast staycations.

If you've never stayed in a static caravan before, it's worth knowing roughly what you're walking into, because it's usually a pleasant surprise rather than anything to be cautious about.

The first thing to check is whether you can move outside a Friday-to-Friday or Saturday-to-Saturday week. Many parks release short breaks, three or four nights rather than a full week, https://www.tripadvisor.co.uk/ShowUserReviews-g1524197-d11845208-r915181850-Caldecott_Hall-Fritton_Norfolk_East_Anglia_England.html and these tend to have more late availability simply because fewer people search for them. If your dates can flex by even a day or two, you'll usually see more choice.

Pace is worth planning around too. A multi-generational trip works best when the itinerary has some flexibility built in, a gentle morning walk that suits everyone, followed by an afternoon where younger children can do something more energetic while grandparents have a quieter few hours back at the caravan. Trying to keep every generation doing exactly the same thing for a full week tends to wear thin by day three.