I didn't get the details of the runway length and so on, but they mentioned it will be roughly comparable with Nelspruit (rwy length is 3000m) and will handle aircraft carrying up to 200 passengers.
The original UK Government specs were:-
"The runway will be 1000ft above sea level and be equipped for non-precision instrument approaches and have the following physical characteristics:
Runway dimensions 1,950m x 45m.
Strip dimensions 2,250m x 300m.
The declared distances will be:
TORA 1,925m;
TODA 2,887m;
ASDA 1,925m; and
LDA 1,650m.
A passenger terminal capable of handling 162 inbound and 162 outbound passengers at any one time.
The service is to provide a minimum capacity of 150 return passenger seats per week (made up of 10 business and 140 economy class seats) and 2,000kg of cargo per week. The minimum aircraft size allowed is one with 4 business and 46 economy class seats."
Don't know if these have changed recently.