Thank you both. Lots of things to think about. I'll look further at the window. I think he's sealed the drain holes by mistake but wouldn't have thought that should accumulate so much water.
Thanks for that. As I recall, the frame of the summer house is the same size as the concrete base, so the only effective overhang would be the width if the t and g. Is that enough?
Thanks for your reply. There's a gutter at the back at the slope of the roof. He's also dug a trench and thinks a soak away will help there. Today though water near the electricity cable, which is bone dry, at floor level, level with the deck at the front. New roof t and g sealed so shouldn't be...
Hello from a newbie. A local builder built me a summer house on a concrete base, clay soil, and tells me there are 4 inch joists between the base and the floor. When it has been raining there is water appearing between the skirting and the floor although the top of the skirting is dry. He has...