The ‘Stansted Transformation Project’ is if I remember due to last until 2023 and will include any changes and improvements and construction happening until then.
The main points are:
• New Arrivals Building
•Change to current Building
•New Stands
•New Runway links
•New SAT2 link bridge.
•Expand the APV (Bussing Terminal)
•Car Park Improvments
https://www.airport-technology.com/p...ion-programme/
This website has some information but not a total overview of what will be happening.
Other bits that will happen at some stage will be a total renovation of SAT 2 & 3. A possible SAT 4 a link/sky bridge that will connecting all satellites together similar to the one at LGW.