A leaking caulk joint in a shower can cause wood rot. Leaks around a toilet commonly cause rot in wood subfloors and joists below. Roof leaks and dryer or bath-fan exhaust in attics can rot out roof ...
There are plenty of small issues that you can put off repairing temporarily, but sometimes a crack in your ceiling is serious ...
The guttering hasn't been done, and he's left scaffolding up which is leaning against my disgruntled neighbour's property.