The standard runway length for planning purposes is about 10,000 ft
7000
It would depend on the model of the cessna.
No, not really. The only real way a airport could land any aircraft would be to have a 4 mile or longer runway. However, the problem for most aircraft is not as much landing as much as taking off, which could require a 30% longer runway.
£ 80,000
There are many types of Cessna, you would have to give a model number for this answer.
There is not, and never has been a Cessna called 'Mustang'
$111,500 to $21,721,000 Cessna manufactures aircraft of different sizes.
The runway would require relatively little, because it would be a short runway for regional aircraft - but the buildings, roads etcetera would requre the demolition of three villages to the north of LHR and the forced relocation of numerous businesses.
Clyde Cessna built his first aircraft in 1911. It was not much like toays sleek modern Cessnas.
No, but they will require a much longer runway if they plan to land without thrust reversers.
There are many different kinds of Cessna so your question is un-answerable.