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Re-building porch

Discussion in 'Building' started by catlad, 22 May 2020.

  1. catlad

    catlad

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    I am going to demolish the old plastic box (porch) on the front of our house and make it a bit more substantial and a bit warmer hopefully!
    I have been offered about 40 trench blocks which would pretty much do all I need, and then I'm thinking to have it k-rendered.
    Does this sound feasible?
     
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  3. noseall

    noseall

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    Yes.
     
  4. ^woody^

    ^woody^

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    Wont trench blocks make it a lot smaller inside?
     
  5. catlad

    catlad

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    Thanks fellas
    Woody I am planning on digging a trench just outside the old porch and building the new one around it so I can keep some sort of security until the last minute.
     
  6. John D v2.0

    John D v2.0

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    regs for porch is for internal floor space <3m so technically making the walls thicker only takes away from the outside space!
     
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  8. ^woody^

    ^woody^

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    No it's measured externally as the ground footprint.

    Confusingly some places, even the planning portal described it a "ground floor area measured externally" which is a bit nonsense.
     
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  9. catlad

    catlad

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    Hmm. well its 2.4 x 0.9 at the moment so I don't think I will be far out.
     
  10. Mobo_14

    Mobo_14

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    For all it is wouldn’t you be better building it out of 100mm blocks??
     
  11. John D v2.0

    John D v2.0

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    Good point and i have just gone and read the technical guidance and it is now clear that it is not permitted if
    "the ground area (measured externally) of the structure would exceed 3 square metres"

    From the legislation at http://www.legislation.gov.uk/uksi/2015/596/schedule/2/part/1/crossheading/class-d-porches/made
     
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