Flood proofing new shed

[glenfield2]

A year ago much of our village flooded in Storm Babet. We were 16ins in deep in he house and the garden shed at the end of our sloping site nearly 3ft under!

I want to build a replacement - it’s a shed, tool store, bike store etc. How can I mitigate flood damage. Hopefully we won’t get another Babet but who knows.

It will be a timber shed. I could raise it off the ground on ground screws maybe but realistically only 9-12 ins. I can keep vulnerable stuff hung up etc. Any thoughts on how to make the structure itself more water resistant?

 

[Fitzroy]

Beware making it watertight will create a boat, a 4mx4m shed in 1m of water will need to weigh more than 16tonnes before it doesn’t float!

Raising off floor and storing stuff up high sound very sensible, also not using absorbing insulation or glass wool, and having the base ventilated underneath to aid drying.

 

[dzj]

Make it buoyant. A shed/ raft.

 

[Pedronicus]

Perhaps you need to build it on something like those concrete mushrooms that farmers used to install to prevent vermin getting into the barns/grain store!