I was a community mediator for a few years and mediated loads of noise nuisance disputes. There was one concerning a flat in a converted Edwardian/Victorian mansion. The party that was the subject of the complaint had spent very considerable money having specialist sound deadening rubber type stuff laid under the carpet to try to deaden the footfalls. Obviously not to the complainant's satisfaction. The complainant did not want to have a round table meeting, so don't know what the outcome was.