Consider the type of environment you'll be in...
Are you self-catering (casual clothes never a problem) or staying in a hotel (might want some nice outfits for dinner)? On a city break (sensible shoes for walking in) or out in the countryside (wellies and walking boots)? Shoes need particular thought if you’re stepping outside of your usual environs, but also think about outdoor wear in general and whether you might need layers for evenings.
…and any activities you'll want to do
Chances are you might be swimming at some point, so pop swimming items on your list like swim nappies, arm bands, goggles. You might want beach shoes to protect kids’ feet or something like Crocs that they can get on and off easily for the pool.
Check whether helmets will be available if you’re hiring bikes, and think about any days out you’re planning to do and whether there’s anything you’ll need for those, such as small rucksacks for the kids or carriers for little ones who might not be able to walk long distances.
What Mumsnet users say
“I use the PackPoint app - one of three apps I’ve ever paid for but worth it. It had pre-made lists and you can import them depending on the type of holiday or who is going, for example a beach holiday with a baby will bring over a list of everything you could possibly need for both the beach and the baby! You can tick off items as you pack. You can add to these lists with your own items and you can create your own lists entirely. It’s fantastic if you are worried about forgetting things!” EllandRoad
“If I have, say, a holiday coming up I might have a dedicated page for packing and to dos beforehand. That’s the beauty of the Bullet Journal, you just make pages as and when you need them.” ChloeChloe
“Start a list that you can roll over to next time. Methodically work through toiletries, games, electronics, kitchen, bathroom etc. Then have a running list in the kitchen or on your phone so every time something random pops into your head you can write it straight into the list. Then all the thinking is done, the actual packing is easy.” FusionChefGeoff