Can anyone see an issue with my build plan?

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I've tried posting before but didn't get any responses to trying again.

My yard is 6m long and 4m wide

i am building a timber frame for a log cabin to go on, which will sit at the back of the yard, with paving going up to it. At present, half the yard is paving, and there is a raised deck of 27cm high at the back.

I am ripping out the raised deck, and building a timber frame for my cabin, using 2x6.

Due to planning permission, and the height of the cabin not being higher than 2.5m, i need to build the timber frame BELOW the paving slab level. The top of the timber frame will be slightly higher (5cm or so) than the level of paving, therefore the cabin will appear near enough level with the paving.

Will this pose an issue in terms of water running off the paving and effecting the timber structure?

cheers
 
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Due to planning permission.....

Why are you bothering about planning permission? Is this the same shed you are going to use as a business in a domestic dwelling without planning permission? Either do it properly or not at all is my advice. :censored:
 
Why are you bothering about planning permission? Is this the same shed you are going to use as a business in a domestic dwelling without planning permission? Either do it properly or not at all is my advice. :censored:

Because if it goes south and I can't use it for my business, I will still make use of the cabin, therefore I went it to be within the requirements.
 
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Short answer is yes. Build the frame in blocks and add a DPC on top

What do you mean build the frame in blocks? As in build the outer edge in concrete blocks with DPC on top, followed by the timber frame? I was originally planning on resting the timber frame on concrete pads (apologies I forgot to mention above). So effectively the top of the timber frame will be level top with the paving, but sat on a concrete pad that is elevated with a void underneath for ventilation. I will put a DPC on top of concrete, followed by the timber frame.
 
Because if it goes south and I can't use it for my business, I will still make use of the cabin, therefore I went it to be within the requirements.
Well, I hope it doesn’t. I have been in that situation before many years ago. Bloody council were relentless. :(
 
Well, I hope it doesn’t. I have been in that situation before many years ago. Bloody council were relentless. :(

In what way were they relentless?

I assume they would just tell me I can't run a business from home leave it at that? ...
 
What direction does the paving slope in? If it slopes towards the shed then that's where water will run. You can check with a hoze.

Where do you plan for run off from the roof to go as well, it might be worth digging a soakaway in and then you could run either an Arco drain or a French drain in front to take water away to the soakaway.
 
What direction does the paving slope in? If it slopes towards the shed then that's where water will run. You can check with a hoze.

Where do you plan for run off from the roof to go as well, it might be worth digging a soakaway in and then you could run either an Arco drain or a French drain in front to take water away to the soakaway.

because there is only 2.5 metres between the house and log cabin, i don't think a soakaway is suitable?

i was going to buy a water butt and then ill just have to manually empty it every so often?
 
Yes. The timber frame needs to be at least 6 inches above ground level

It is possible for me to have the TOP of the timber frame 6inches\150mm above ground (the log cabin is 234cm high at the peak, so i've only got 16cm to play with to make it under 2.5m high).

This would be okay i assume? So effectively the bottom of the timber frame will be level with top of paving, and the top of the timber frame will b 6 inches above ground level?
 
it will be clear of the ground BELOW the timber frame but level with the paving slab - i can always leave a 1 inch gap between paving slab and timber frame for water to run?
 
I believe the 150mm is to prevent water splashing up onto the walls. If you've got the base lowered into a pit of some sort and the top of the frame, and the walls, essentially level with the adjacent ground then you'll get a fair bit of water splashing off the patio onto your walls/frame. Which isn't ideal.
 

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