• The builders we had in to do our renovation/ extension said it’s pretty easy… ! They’re working on another house up the road so might ask them to check what I’m doing.
    That said I’m a bit nervous about doing it myself and may ask them how much to it for cash.

  • yeah, I both have the feeling it's easy and also I could totally it up and be left with a reinforced slab I have to break out. As far as I can tell you put 50mm, throw in a grid of steels, and do another 50mm on top. I'm most concerned about getting the level right so the tiles meet the door level.

    Do you know if you're meant to build the drop for rain runoff into the slab or in laying the tiles?

    @Colin_the_Bald is probably the right person to ask - Colin, do you do jobs in London's famous London?

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