• themeatbridge@lemmy.world
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    4 months ago

    TLDR Plumbing and windows.

    Each unit needs its own kitchen and bathroom(s) which means you have to run additional stacks all the way to the sewers.

    Commercial windows are allowed to be less efficient than residential windows because they are generally bigger, have more glass, and are made of more expensive aluminum.

    • stoly@lemmy.world
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      4 months ago

      You don’t necessarily need a full kitchen and bath in each unit–a toilet and kitchenette plus a larger shared kitchen and bath can work and will certainly lower the rent charged. There are a lot of brand new places going up that are doing just this.

      • themeatbridge@lemmy.world
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        4 months ago

        It’s not the size of the room, it’s the number of drains. Nobody is building with shared bathrooms in downtown Boston, but even if they did, they would still need to increase capacity to account for showers on every floor.

    • XTL@sopuli.xyz
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      4 months ago

      I was guessing it’s “because they are offices”.

      Thank you.