What paint colour was used on an episode of Sarah Beeny's Double Your House For Half the Money?

[Caro0191]

I recently watched episode 4 (series 1) of Channel 4's 'Double your House for half the Money' with Sarah Beeny from last year. It featured the house of Stuart and Fiona Allan who's Surrey home was given a New England makeover.
I would love to know what paint colour was used on the living room walls and I think a few other rooms in the house, including the hallway. It is a lovely warm, modern grey colour and looks a bit like Farrow and Ball Cornforth White or Purbeck Stone.

If anyone knows, I would love to find out as I am about to redecorate my house and I thought their finished look was lovely. Many thanks