The 4th berth is a fold out bunk bed and is only suitable for children 8 years and under. The 3 other berths are suitable for adults.
Pretty much everything you'll need is on board. Pots and pans, knifes and forks and all that stuff. Gas hob, oven and grill. The gas is included. Electric heating and fridge. Tables, chairs, solar lights sleeping bags and/or duvets and pillows. The awning is £30 extra setup or free if you stay 4 nights or longer.
Please treat the van with care and respect. Leave it clean and tidy which includes emptying the toilet - yuk! Or i'll empty for £10.