• Thanks all - that's very useful. I'll start looking for structural engineers & decent builders in SE London then!

    @chrisbmx116 - the current tiles are a bit terracotta-y now you mention it but I doubt they're the kind you're talking about, the house was "renovated" in the 90's so everything original has already gone.
    The tiles actually radiate cold to the point of being unbearable at the moment so they're going to have to go.

    Current thoughts are cheapish (Ikea?) cupboards, plywood doors, not sure on the top yet, wood (maybe herringbone) flooring.

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