Recently been experiencing weak WiFi across the house. Been in the house 3 years and always had the hub 3. This is end terrace so not massive. Weak signal in kitchen, bathroom and 2 bedrooms. The hub has been in the same spot all the while. No issues with lab connection. Had the automated test perform and no issues found. Any ideas what would cause the degraded WiFi signal all of a sudden. Any suggestions to improve, router has been reset etc but that not made an improvement.