When the rain falls hard, we see water come through a light fitting near the back door. It happens where a single-storey pitched roof meets the side wall of the main house.
We knew the lead needed some attention and I had a fear there was rot to deal with too. Thankfully my brother has a bit of experience with slates and lead work. With a couple of days of good weather he did a good job.
Slates and sarking removed exposing a problem joist:
New 4x2s screwed into place.
New sarking boards down. New lead going on: