This feels like one of those stupid questions, but does the cost per square metre used to estimate a barn conversion cost relate to the whole building or to each floor of the building. i.e., the footprint of the barn is 160m2 – should I use 320m2 as it’s a two storey building?

  • Lindsey Davis

    Hi Mike,

    Yes, cost per square metre needs to take every bit of floor space into account. Adding a floor means extra materials etc so yes, count 320sqm in your calculation.


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