Router drops connection every night

[Icarus1]

My BT Smart Hub has started dropping the connection every night at around 21:30 to 22:00 after having been fine for a year.  BT support "guaranteed" that a factory reset would solve the problem, after initally telling me it was because my router was near a door or window!!  The factory reset hasn't worked.

The second contact with support tried to fob me off with it being caused by a street light turning on despite them having been on for hours anyway and the router has been fine for a year.  

I'd like some positive action, not just being fobbed off.  

Any suggestions?  (Apart from going to TalkTalk)

[iniltous]

Does anything at home happen at this time,  central heating / hot water switching off, security light , street lighting switching on etc ..it could be an unsuppressed electrical device , or a device that has developed a suppression problem , switching off or on that is causing your router to lose sync and reconnect .

SHINE, single high intensity noise event

[imjolly]

Have you tried using the test socket to eliminate any problems with internal wiring?

have you checked for line noise by dialling 17070 option 2 should be quiet and best with corded phone

[Icarus1]

@imjollywrote:

Have you tried using the test socket to eliminate any problems with internal wiring?

have you checked for line noise by dialling 17070 option 2 should be quiet and best with corded phone

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The quiet line test is crackly...

[imjolly]

if you have noise on quiet line test and you used the test socket then phone 151 and report a phone fault NOT broadband  get phone line fixed and broadband will improve