Ian_m wrote:
"Chris Bacon"...
Ian_m wrote:
In an effort to make ignoring Part P easier (sorry re-wire kitchen) I
have removed the plasterboard ceiling which was 15mm plasterboard.

That's unusual!

Thats what I thought, had to get calipers out to confirm. Walls are 12.5mm,
ceilings (whole house) are 15mm.

You can get it, but I've never seen it stocked - maybe I just
haven't looked! You can also get boards bigger than 8x4.