So during my pre-MOT inspection on Wednesday, I took a little more look into the rust hole on the wheel arch and it has gone right through into the interior as the foam sound deading is exposed now, so its pretty bad, I will need to take the wheel arch liner off to see the extent of how much rust has eaten away the metal. I also noticed there was rust on the wing arch itself, so bad news and pretty annoying. Fortunately the car sailed through the MOT again, but I did noticed my rear ARB is really rusty too, i'm surprised its still effective! I will look into getting the rust repaired, i'm also looking into DIY painting the car in chalkboard black or white in near future. The car is a gonner cosmetically and I won't throw money at it, so it's time to mess about and experiment on it. Some pics of the rust and will update any repairs here so others can benefit should they get the same on their car.