They built a lean-to and stayed.
There is a choice between two alternatives; giving reasonable accommodation for people who arrive or similar accommodation with a lean-to shelter outside.
At present, if one adds on a lean-to conservatory, which is a great current attraction, one will probably get the money back.
I know whole villages where the houses have not more than two bed-rooms, and the second one is a lean-to shanty.
If the boys wish to change for "gym", they have to change in the open air under a lean-to corrugated iron shelter.
At present, the policy is to build semidetached houses, with two rooms downstairs and a little kitchenette as a lean-to and two-and-a-half bedrooms upstairs.
I went there when it was scrub land, with a cookhouse and a lean-to building where prisoners might shelter when it was raining.
At that time, it seemed to be the lean-to car company.