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[Closed] guess the length of a piece of string (outhouse cost content)

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Thinking about moving house and seen something decent but no garage. I'm thinking the obvious solution, if we do end up there, is to have a simple concrete floored, flat roofed, block outhouse built to store bikes, tools, lawnmower etc. I'm guessing 4x5m or something like that. Electric to outhouse for a strip light and a couple of plugs.

I'd probably get someone else to build rather than trying myself as I am skillless in that respect. I could probably be trusted to dig out the foundations but that is about it!

Appreciate the cost of this could vary wildly but would be interested to hear costs if anyone else has built/ had someone build something similar, just so i can have a ballpark figure in my mind.


 
Posted : 16/04/2021 11:20 am
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Depends on internal finish / insulation etc. but £10k in South West


 
Posted : 16/04/2021 11:37 am
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In Wales so I guess similar costs. Probably at the top end of what I was imagining! Bikes might have to live in the house.


 
Posted : 16/04/2021 11:42 am
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A different option might be a concrete slab then a wooden cabin like garage on top. We did this with a Dunster house one and took two of us a day to put up. Proper garage up and over door with a side door and window. I think it coast a couple of grand.


 
Posted : 16/04/2021 11:44 am
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Yeah that would be much more palatable price wise! Don’t even need an up and over door.


 
Posted : 16/04/2021 11:51 am
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There was a recent thread on Large sheds not so long ago. You might not be bringing the price down as much as you'd hope but if you can remove the up & over door it might look more of less break-in worthy.

No good for any security, neds to plan security for the bikes in to your designs.

/edit - here's the thread
https://singletrackworld.com/forum/topic/shed-prices-once-again/


 
Posted : 16/04/2021 12:20 pm
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I built this 2 years ago and use it for working now. The finish is very high fully plastered, heated, electrics and WIFI etc. Did it all my self so only material costs plus a day to a Plasterer.
It was a bit of a hobby so didnt count the cost fully and it is overengineered but reckon about £10k. I suspect it is better build than most....

[img] [/img]


 
Posted : 16/04/2021 1:09 pm
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thanks @Kahurangi - thats a useful set of values.

@surfer - looks very nice!


 
Posted : 16/04/2021 1:31 pm
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My garage extension (built a second single garage alongside an existing one and knocked through) cost about £10k but I did everything myself. Included a complete refit and rewiring of the existing garage so knocking that cost off but including someone else's labour I reckon £ 10k is a good ballpark. Go pitched roof though lot few problems in the future and not a lot more expensive.


 
Posted : 16/04/2021 1:36 pm
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IIRC mainly wooden construction and within 1 meter of the curtailidge of the property requires planning permission.


 
Posted : 16/04/2021 2:04 pm
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I built a 3x3m brick lean too with a turf roof for £2k, about £400 of which was lead for the roof flashing!
You can save a huge amount by doing the labour yourself.
Like you, I had never done anything like it before, taught myself on the job. Took ages but was very satisfying. Still standing, and watertight, four years later. Go for it!
I got someone in to do the electrics though.


 
Posted : 16/04/2021 2:07 pm
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+1 pitch roof

And gain additional storage space.

It'll be the unknowns that add the cash - getting electrics there or a hidden drain when you start digging.


 
Posted : 16/04/2021 2:15 pm
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What does your insurance T&C say about bikes in a wooden structure?


 
Posted : 16/04/2021 3:02 pm
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The string is twice half its length 👍


 
Posted : 16/04/2021 3:20 pm
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I had never done anything like it before, taught myself on the job. Took ages but was very satisfying. Still standing, and watertight, four years later.

Mine too (2 1/2 yrs) it was a hobby and I took my time listening to music and just enjoying it. None of it was technically difficult and the 4x5 hole for the concrete base and running the external cable under the lawn were the 2 physically hard bits the rest was fun.


 
Posted : 16/04/2021 4:48 pm
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@CheezybeanZ - valid point, I’ll need to look into that. It’s all very preliminary at the moment, just wanted a number on my head


 
Posted : 16/04/2021 8:20 pm
 DT78
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IIRC mainly wooden construction and within 1 meter of the curtailidge of the property requires planning permission.

Not sure this is true if it’s under 2.5m in height


 
Posted : 16/04/2021 8:33 pm
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My understanding was less than 2.5m, less than 30sq M and you didn’t need planning.


 
Posted : 16/04/2021 8:35 pm
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There is small print about flammable materials though.

Building a detached garage of less than 30 square metres floor area would not normally need building regulations approval if:

the floor area of the detached garage is less than 15 square metres.
the floor area of the garage is between 15 square metres and 30 square metres, provided the garage is at least one metre from any boundary, or it is constructed substantially of non-combustible materials.

From planningportal.co.uk

If it’s made if wood, put it a metre away from the edge. Dunster House site talks about it too.

You don’t automatically need planning, you just can’t put it right on the boundary.


 
Posted : 16/04/2021 9:06 pm
 DT78
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The para you linked refers to building regs, not planning. Planning is the link above

Pretty certain you can build a wood shed upto your boundary as permissible development as long as under 2.5m and not huge (and a few other exclusions). The main reason not to these days is access to maintain

If in doubt speak to your local planning...


 
Posted : 17/04/2021 7:03 pm
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Look into SIPS for building the walls (and roof if you fancy, and flooring if you want,.(perhaps not for a garage). Super quick and simple to build. Large twin osb3 panel with a core of insulation. I'm going to use it for.my garden office (and maybe an extension)
.

The sips are structural so no need for the standard stud workz hence the speed to erect.


 
Posted : 17/04/2021 7:44 pm