[nomadking]

And how many of the chalets would have been empty during term time? Their costs don't magically disappear. The £780 is probably near the true cost whatever the time of year. The £150 will be below cost, but having the £150 is better than £0. The total annual income has to come from somewhere. Without the £150 people, the cost whatever the time of year would have to be more than £780 to cover the gap.