Decent sleeping bags for warmth or inflatable mattress/ sheet & duvets/ pillows (go for comfort).
lots of layers for clothes/ & towels/
Easy eats- prepared easy to reheat food or campfire fodder - hotdogs/ buns / beans
easy breakfast - crossiants / fruit / breakfast type flapjacks
Lots of snacks and water & water bottles. Freeze water to keep items needing chilling cold and then use water next day as fresh water supply
Camping sporks: (spoon/fork combined)
enamel mugs for hot drinks/
thermos flask ( keep hot water hot for easy cuppa)
caffine supply / tea bags & milk for next morning
alcohol night cap
ear plugs/ bug spray/ face moisturiser/ / tinfoil (reheat and cover food)
head lamps - decathlon have great ones with red light setting: small torches/ batteries
fun- glow sticks for children; guitar/ joke book/
s’more supplies - mashmellows/ chock digestives
bananas
baby wipes / first aid supplies / matches / lighter for campfire