Boiler replacement advice required

Boiler replacement advice required

Boiler replacement advice required

Current Boiler
Potterton Suprima 80HE
23KW
80BTU
85% efficiency
5-bedroom house 4 bathrooms (built 2007)
24 radiators (mainly small).
200 litre water cylinder
Worked fine for heating and hot water.

Looking at replacing the boiler with a:
Worcester Bosch Greenstar 27i Gas System Boiler
92BTU
27KW
90% efficency.

Any expert opinions or advice appreciated.
All information suggests the boiler capacity would not be adequate for the size of house but it is a more capable...

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by DaveTT

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