Up and down shower isolation

[TDoll73]

Is it possible to isolate upstairs and down stairs showers from each other? When both shower are on one loses hot water how can this be addressed to be able to use Botha at same time and how difficult is t gonna be or should I have a pro do the job?

 

[ShaunCorbs]

What system do you have copper cylinder, unvented cylinder or combi boiler

 

[Ben-gee]

It’ll be a combi, unlucky no easy/cheap fix.