I have this specific tap https://www.screwfix.com/p/seaford-basin-mono-mixer-tap-with-pop-up-waste/853fv On my bathroom basin. It is leaking from the cold water stem when turned on, so I believe I need to replace the cartridge on that side.
I have consulted several articles and videos and it's fairly clear what has to happen, but I cannot figure out how to remove the handle.
I have several theories, but nothing wants to budge (probably in part because of 10 years of hard water) and I don't want to apply the level of force required to turn a jammed 10 year old part unless I know I'm doing it the right way.
So does anyone know specifically how to gain access to the cartridge on the above linked tap?