• So ours was about 9m x 6m and looks to have cost about £5-6k (cost + mgmt fee + vat). That includes prowarm insulation and was 2 layers of T&G chipboard.

  • That's the figure for just the bottom layer - not the flooring too?

    I'm hoping we don't need two layers as our boards are in great shape. What was the reason you needed two?

  • That’s just for the underfloor yep
    Some of it was around building the floor up and also getting it rock solid (our joists weren’t in great shape and a fair few needed replacing)

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