Two alcoves with independent stud walls developed and insulation/clips put in. The result? It really works, was sceptical it might,so it was a gamble, sound minimized from neighbours is 70% fewer and now feel like our semi detached house is more like a completely detached! I’m glad I did it, https://soundproofing-and-acousti88653.ageeksblog.com/29481229/the-definitive-guide-to-soundproofing-and-acoustic-services-in-dubai