Banging Noise and whining noise

[ArcticSimon]

Hello, purchased a house in February this year and for a few weeks, noticed a loud banging noise which sounds like it is coming from under my sink, but happens when no water is running. I think it could be when my neighbour is either running water or maybe using a washing machine. House is an old 100 year old terraced house. Anyone any ideas on what it could be and if there is something I can do for it? Thanks in advance for any advice. Two videos attached. One for banging and one for the whining.

 

[cjg]

try opening your stop tap fully, then turn it back one turn only

 

[ArcticSimon]

try opening your stop tap fully, then turn it back one turn only

Thanks for the reply cjg. I have just fully opened and turned back one turn. I will see if it persists tonight or tomorrow evening as be out at work tomorrow day. I will report back tomorrow.

 

[ArcticSimon]

try opening your stop tap fully, then turn it back one turn only

Hi cjg. I am still getting the high pitched whining noise tonight. When it does it you can feel the stop tap vibrating. I believe it is when a neighbour is using their water? Is there anything I can do on my end / get installed or is it a matter of trying to speak to the neighbour? What would I say to them. Same thing about the stop tap? I haven't heard the loud bangs so far tonight or at least not to the degree in the video I posted. But not sure if that is only if they are using a certain appliance. I will see for the rest of the week on that one. Thanks in advance.