plumbing noise

Have had a new ensuite added to a bedroom - has been fine for about 3 months, but as of last week, whenever I use the shower it makes a very loud,.noise, almost as if a grinder is running!!. Ive had the pipes looked at and the plumber said they are all fine, properly braced. The source seems...

Hi all, Bit of a speculative ramble, keen for opinions and experiences. Moved into house a couple of years ago with intention to extend and renovate. house is old and bodged. The plumbing is very noisy when running- what i'd call 'white noise' This isn't the thunk of pipe-hammer, this is a...