Ive just done the sums.
£27k a year is £1685 a month. If his dc never stays with him then £250pcm on child maintenance. So now hes got £1435 left.
Rent somewhere for £800. Hes down £635 for the month.
But he still has bills to pay (gas, electricity, council tax, interent, insurance, water, phone, etc). Lets say £300 on that. Hes down to £335 left for spending money.
£335/30 days in a month gives him £11 a day to live off. For bus fare to work, for food shop, for replacing shoes when they wear out, or buying his dc a birthday present. Some months it will be doable with careful budgeting but what happens if he needs an emergency dentist appt or his dc wants to go on a school trip or his microwave blows up and needs replacing. Or the landlord bungs an extra £100 on his rent......
Can you really blame him for seeking a council house?