Sill height?

I thought it was from floor height to the bottom edge of the glass.

Yes 800mm, except 1500mm if it's within 300mm of a door.

I actually used toughened in a few windows I didn't need to, so that all my ground floor are toughened.

Thanks very much. I don't quite follow the logic of the 1500mm requirement, but it doesn't apply in this case.

Maybe it's considered people are more likely to trip in the vicinity of a door, and that would be bad news of they end-up lunging towards a nearby window?

Boll Ocks.

When I was young we had a glazed front door and full height side window, with normal patterned glass, until my younger brother tripped going down the stairs and went through it - head first. Luckily enough for him he just ended up with a 2" cut above his eye, but the door and window were quickly replaced with toughened glass :)

Lee

Aged around four, I opened my parents' fully glazed kitchen door, walked in, closed the door, slipped on the freshly mopped floor and found myself lying in the hall surrounded by glass. Not a single scratch! The glazing was replaced with plastic until the door itself was later replaced.

SteveW

We had the same thing on my BCO patch in Worcester Park: a seven year old who went through the door, cut his throat and that was it. After that, though it wasn't then required, I always tried to get people to spend a bit extra on toughened or laminated glass.