Kieran McCarthy: How do I make my old house airtight?

Building advice from expert Kieran McCarthy

Kieran McCarthy is a building engineer and director of KMC Homes bespoke A-rated new home builder, serving Cork and Limerick. File picture: Denis Minihane

Hi Kieran 

We have just inherited a 1950’s house. It’s a beautiful house that was built in the post-war era. I have just one question for you. Do you think Airtightness is a good idea in a house of this age or is it even possible?