I disregard all things said to me on landing roll by ATC, it is the crew, and only the crew that decides where to vacate, unless there is a closure or a conditional landing clearance like in the USA.
I am personally quite fed up with atcos thinking they can order us how to brake and operate the aircraft in the safest way for a given moment.
We will do our best to facilitate, but I will NOT step on the brakes or alter my plan on the rwy because your sequencing is too tight.
It is not the crew's business that LGW has a certain amount of movements to make.
Oh and by the way, we do not have the AIP of every bloody airport in Europe handy, often having to operate to a destination at very short notice. Keep it standard like other airports and use ICAO RT, not some English bastardised version of it.