Suggestions - Garage conversion

Soldato
Joined
6 Mar 2008
Posts
10,085
Location
Stoke area
Hi all,

We've got a 2nd child due end of Feb, this gives me 6 months to get a new man cave so child #1 can have my current one as her new bedroom.

Now, along our house we have a car port that can take 2 cars, gated at the front. Behind this is a door to the back garden, then the concrete walled garage. This first needs converting before I can think of making a full man cave at the end of the garden (or I might just build myself a yurt back there).

Now, the garage is odd. It starts about 1.5m behind the house, it is the tallest end of 217.5cm and slants down to 202.5cm at the other end. About 5-6m long and about 3m wide. It's made up of concrete pillars with concrete slabs placed between them (like you get at the bottom of standard garden fences). It's sturdy but the roof needs replacing and it also has its own electrical supply/fuse box. It does have a smaller sewer cover which I'll need to plan around but that's not the issue.

How would you go about converting it? I'm thinking of removing one set of concrete slats and adding a door in so you can get to the garden. Raise both ends to the max height allowed and have it sloping back to use the existing car port guttering (car port will be replaced too later).

Would you keep the existing structure and build wood frames either side of the concrete and insulate? Knock it all down and replace with something else (thinking maybe a nice straw bale building). Anyone done anything like this?
 
Knock it down and build a log cabin.

Difficult to tell without knowing the context of where you live and what would be in keeping.
 
Knock it down and build a log cabin.

Difficult to tell without knowing the context of where you live and what would be in keeping.

I'm with this^

Concrete prefab garages are drafty wet and they can suffer with concrete cancer. Not worth the effort to see it all go to waste next time you have a heavy crosswind and rain storm
 
A picture would help no end here, but as above I wouldn't be looking to convert a concrete pre-fab garage into anywhere I'd keep any valuable stuff (i.e. electronics equipment) that would be sensitive to damp.
 
Only photo I've got on me of the outside:
Garage2.jpg


inside:
Garage1.jpg


Structurally it is sound and I've had no issues with it until recently with the roof leaking but that is down to the rubbish plastic panels on the roof.

I was considering a stud wall on the outside with a vapour barrier + wooden painted slats, then another stud wall + insulation board + plaster on the inside. Then build a new wooden roof for it. Seems cheaper, easier and less time consuming than ripping it all down and rebuilding.
 
Any signs of damp? Is the floor level the same inside as it is out or is inside raised slightly? Therenwill be no damp proofing in the construction so wo be prone to water movement seeping around edges and joins.
 
only damp that seems to get in comes from the sagging ceiling and I think the floor level is the same or slightly higher but I think the bottom concrete slats are actually half buried as well as they are only 12cm high on the outside, less than half the normal height of one.
 
Cladding internally and externally will be ok but I would also want to put a suspended floor in to reduce possible damp coming from that as you don't know whats under the concrete or if there is a damp proof membrane.

I'm with Maccapacca on the tear it down and re build as you just dont know the possible problems that could come from bodging a building together especially one you intend to keep high quality electronics in!
 
Anything other than destroying it and starting again is a bodge you will regret, prefab garages were built for storage not conversion!
 
Anything other than destroying it and starting again is a bodge you will regret, prefab garages were built for storage not conversion!

Tend to agree here - I think trying to patch it up/do a quick job etc is asking for trouble. If it's leaking now, your likely to have issues with it long terms and a quick fix ain't going to work.
 
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