Debbie Corbett has climbed two F8a's at Rubicon in the Peak District.
On the 31st of August Debbie Corbett realised a lifetime ambition by redpointing a F8a route. She climbed Hot Fun Closing at Rubicon. The short, fingery route climbs the boulder problem Kudos to a shattered flake then tackles a...
Our house style is to use the UK grade without a prefix - E7 6c.
For French grades we use - F6c.
And for Font grades we use - Font 6C, although I keep accidentally lapsing in to V grades, as well, they seem easier to understand to me.
The reason for not just using French grades without a prefix is to try and avoid confusion between the UK technical grade and a French grade. Someone as experienced as yourself can tell which is which just from the context of a report, but many people can't.
This I think has been working quite well for us and we have been doing it for several years.