Wondering what the pros and cons are of the two options. Timber frame doesn't seem any cheaper but will be quicker and lighter, but most crucially it would prevent potential issues with needing to underpin foundations according to the builder, which apparently would be a big and expensive job (anyone know how much roughly?). Is there something I am missing?
Looking at a 20m2 extension to a terraced period house.
Looking at a 20m2 extension to a terraced period house.