In message , "Dave Plowman (News)"
writes
In article ,
Peter wrote:
Out of curiosity could you take a guess at how many kW of combi boiler
power would be required to fill a bath at the same rate as a stored
hot water system?

It would depend on the stored system, as some can be very poor.

It also depends if the combi is limited e.g. to 10l/min as in the Worcs
28i Junior

--
geoff