Advice on simple raised deck subframe

Discussion in 'Carpenters' Talk' started by Kaylg, Nov 7, 2020.

  1. Kaylg

    Kaylg Member

    I'm planning a relatively small raised deck: 3.6m wide x 1.2m and would like advice on subframe structure.
    deckplan.png
    • Deck height roughly 600mm
    • Green beams are all same wood, I'm undecided on spec (c16 vs c24 and 145mmvs 195mm)
    • Grey beam is something i am debating but unsure if it adds value
    • The solid green beam will be the ledger bolted to house
    • Blue squares are 100mm support posts concreted into the floor
    • Noggins ommitted from plan but 2 staggered rows will be added
    Have I overlooked anything crucial, any tips on improvement?
     
  2. Abrickie

    Abrickie Screwfix Select

    Planning permission ?
     
  3. Jord86

    Jord86 Screwfix Select

    Can't understand the point of grey beam, 4x2 would be ok for that span, noggins not needed but one central row to keep everything straight may benefit.
     
  4. Shytot

    Shytot Active Member

    Do you need planning permission for a deck ?
     
  5. Jord86

    Jord86 Screwfix Select

    From memory, apparently so if it's higher than a foot from the highest point of the ground the deck covers, I think.
     
    Abrickie likes this.
  6. Abrickie

    Abrickie Screwfix Select

    Head over to the planning portal, over half of the garden area or 300mm above ground level
     

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