Thanks for the continued replies, I appreciate it. Yes, I did feel that taking the tap off may be the better option, though I don't think I'd have the right tools to hand. What on earth do you guys use to get 'up there', there is no access for a typical spanner, socket, wrench, etc. No isolator either, and copper pipe all the way up to the tap. I was going to ask if there was a way to unscrew/dismantle the tap in situ, but knowing how tight these things get, I doubt it will be achieveable with the method suggested, but I did try that previously, but not with any great force. I thought maybe angle grinding the top off, if I could source a replacement which is the same, however likely that is. Other than that, is there a name for the type of spanners you guys would use to get at the underneath connections. I would really hate to have to pay for taps, and a plumber, then new bath taps to match, and removal of the newly painted bath panel....all as an alternative to a single tap washer! I would really like to defeat this, and perhaps it would benefit you guys if you ever get this situation.