Will this pipe design work ok?

[RayPlumb]

I have attached a picture of the proposed layout of a new install of rads.
Does any one know if this design will work ok the heavy lines are 22mm and thin lines 15mm.
I am worried if I will get enough flow to the ground floor large rads.
Any advice woulf be appreciated.
😕

 

[RayPlumb]

Sorry for the lack and then small pic. Hope you can all see this..
Thanks

 

[RayPlumb]

Any ideas anyone

 

[GQuigley67]

should be fine if you balance the system correctly

 

[fuzzy]

looks fine to me

 

[RayPlumb]

Thanks guys

 

[WHPES]

Will be OK provided you use 22mm pipe for the downstairs part up to the 2 rads, not in 15mm as you have stated. May be fine in 15mm but best in 22

 

[Plumbcrazy56]

It will work fine, I have seen 10 radiators working on 15mm and all got hot no problem.

 

[GQuigley67]

it will be fine its a pressurised system, just make sure you balance it correctly