BA 777 refurb

[CAL2]

Hi I have read that BA started refurbishing their gatwick based 777 planes. All but one will be done before we fly in November. Anyone flown on a refurbished one? I have read they are changing the configuration adding an extra seat into the middle rows.
We have booked the back row seats to the right, worried they might not recline as much as the other seats, anyone first hand experience of these seats ? Flight 2037 and 2036 row 16 j&k and 44 j&k
Thank you cal