"john2" wrote in message
...
Chris Bacon wrote:
Matthew wrote:

In a semi detached property is there any quickfire way for relatively
little outlay to add additional acoustic insulation to the adjoining
walls. I wasnt sure whether adding sheets of plaster board may help cut
down on transmitted noise etc?


It will help, but probably not by an easily-measurable amount.
Uou can build a (stud) wall alongside existing, which will
be much better, but you'll lose a bit of space.

A new stud wall needs to be isolated from the party wall and fixed only
around its edges, to prevent transmission of vibration. The studding
doesn't need to be very big, eg 2"x2" with a couple of layers of
plasterboard will do, though building regs. might not be complied with.

Best put high density Rockwool between the studs.