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Advice on foundations for an garden room (office)

  • Thread starter Deleted member 161415
  • Start date

Deleted member 161415

I stared to build a deck frame but have now decided I would like to make half of the area a home office.

Attached picture gives some idea of what I am referring to (The posts appear wonky because they are not yet permanently attached to the fram of postcreted in - I just attached the frame loosely to keep if off the ground. While I built a separate step round the house.

The frame is about 4.8m wide and 4m deep (With a small corner cut off). I have now decided I would like to make half the deck a small home office circa 4.8m wide (Less the corner & 2.5 m deep). I’ll probably extend what is left of the deck at another point.

Due to cost & time I don’t want to have to go to the trouble of concrete slab or foundation screws. My preference would be to dig holes about 80cm deep at roughly 1m intervals, put half a breeze block at the bottom of the hole, then place 10cm by 10cm posts into the hole, fill up with postcrete and the attach the 15cm x 5cm frame to the posts.

For just a deck I am sure above would be fine, but can anybody say with reasonable certainty that these foundations would be enough to support the home office I would like to build.

thanks a lot


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