The Brits had another huge advantage. If their planes were shot down and the pilot bailed out, they could often fly again the same day.
If the British plane crash landed they were able to either repair it or at the least use much of it’s parts.
The Germans also had to fly back over the channel, often damaged. If they fell into the channel the British made prisoners of them.
For the German planes which crashed the British could often salvage a lot of the critical metals in them.
An excellent point, and just as important as the other advantages. Having that experienced pilot living to fight another day, or actually the same day as you noted.