There was lots of noise outside yesterday, sawing, hammering, etc. Didn't really look out to see what or why.
This morning, looking out, I see a neighbour has partially built a new shed. This appears to be a 8'x6' shed, in a garden about 15' wide and 30' long, so quite a lot of garden lost to a shed. Not a summer house, just a shed.
More puzzling is the height mismatch between the sides and and ends. The tops of the sides are about an inch above the tops of the ends. Surely, they need to be the same, or when the roof panels are placed on top, there'll be a triangular gap from apex to side.
It looks like a prefabricated shed. If mine, I think I'd be asking serious questions of the supplier.
More activity later yesterday. First half of roof fitted, and fixed. Then tried other half, to find a gap at the ridge - oops! Much activity to remove and reposition first half, then both fitted ok, not good, but ok. Side pieces of roof cover the gap, but still strange that shed sides are higher. Roof felt was laid over, and fixed around the edges with nails.
This morning, lots of hammering. He's adding more nails across the roof to secure the felt. Nails into the slopes of the roof, I think will add potential leaks later. My smaller shed has the felt glued on, with nails only on the vertical edges.