On Wed, 14 Feb 2007 22:04:01 +0000, John wrote:

I might disconnect at the isolating valve - then I don't need to concern
myself with the fibre washer.

You'll need to disconnect at the tap connector to remove the tap - or do
you just want to loosen the backnut without removing the tap?

Do I assume you have no concerns about the chunkiness of the tool?

Can't say for sure without seeing the clearance around the taps underneath
your basin - only you can tell that