Originally Posted by
bob_the_engineer
unscrew the shower head and look for a low flow valve, if it's not in the shower head it's in the 90 deg shower hose fixings, or the shower head fixing.. When you look into it, it's just looks very narrow compared to the pipe, easy to spot.. insert dril whirl whirl fixed :-) ....
Yep, this fixed it for us too.
We spent about 6 months living with terrible showers but after asking a local plumber, who we use at work, to come and have a look he said that the water volume seems ok and had a checked if there was a flow restrictor in the shower head. Got home, took it apart, found the culprit, pulled it out and hey presto! Then I went and brought a nice new shower head