Hallway BTU

[mylittlehouse]

Hello All
How do i calc the BTU needed in my hallway?
its a typical three bed victorian terrice.
the original installer put in a tiny thing which does not keep thehall warm?
most of the calcs just dont understand a hall?
Any Advice will be welcome

thanks

 

[Charnwood]

http://www.radcalcs.com/

 

[bengasman]

With the fact in mind that sooner or later the house will be heated with a condensing boiler, I always advise my clients to oversize radiators. For a hall that usually means put in as big a radiator as you want. Unless there is already a decent quality trv there, this is also the time to add one.