Building a Garage.

NoNameNoNumber

NoNameNoNumber

NoNameNoNumber

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I currently have 2 single garages next that I want to flatten, lay a new concrete base and build 1 single garage. Under permitted development.

My understanding is that it needs to be under 2.5m tall and no bigger than 30m2 which leaves be with a 5m x 6m space and a flat roof. Now I'm no builder but fairly handy with general house renovation type stuff and I'm sure I can turn my hand to a bit of brickwork...

What would be the best construction method bearing in mind I want as much as possible to be DIY and kinda looking to keep costs down.
Plan loosely but up for debate is to lay a slab and sit 2 courses of engineering bricks down at the base... then essentially build a 4x2 timber stud structure clad with OSB both internally and externally, clad externally. Sectional single garage door on the front and a UPVC door on the rear for access from the garden.

Thanks for your help guys :)
 
Best (paint grade) Concrete blocks and paint them. Don't get cheapo paint. My mom and dads garage was built this way and the paint is still good as new and the dirt washes off a treat leaving it looking brand new. If you build it single skin add 2 single block pillars down each side tied into the external skin. Cheap as chips.
 
I was thinking about building a blockwork garage also, but cladding the outside in overlapping weatherboard timber. Any downside to this?
 
I do Like the idea of having it all done in blockwork tbh, still clad on the outside though, would there be any damp issues using single skin structure made entirely of these? Or would they still want to be sat on engineering bricks?

What sort of price would a brickie want do you expect?

5m x 6m x 2.5m tall

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You just need a DPC in the first course either on top of the engineering course or on the first course of blocks. One of the reasons to use engineering course is to allow you to take out the tolerances of the slab with a couple of courses of bricks first.

I'd use 140mm dense concrete blocks not aerated blocks, you could get away with 100mm 3.5kn maybe but you'd need to do some investigating first and calculate the roof loading
 
Them celcon blocks have no strength at all especially single skin. 7.3kn blocks are best for single skin. If you decide you want some roof space in the future you can put a hipped roof on it without worrying about the load.
As for damp. Should be fine as long as long as you have plenty of ventilation. (just re-read about damp and read it wrong but you still need ventilation otherwise it will go mouldy inside during colder weather)
If you're having metal roofing make sure you put breathable membrane under it as it will condensate in the winter.
 
So two courses of engineering bricks and the remainder built up out of these should see me right... Sack the timber frame off entirely.
140mm blocks are ~£0.80 more per block... Are they worth it? And that'd mean no engineering bricks?

Next question :D

What's the best method of building a flat roof to span 5m bearing in mind the garage door that'll likely span 3m.
 
Is it a roller shutter door, up and over or opening doors ?
If it's a roller then you need about 500mm - 700mm of space above the opening for it when rolled up and will alter the finished height of your roof.
 
Well the roofline is about the only fixed part due to permitted development @2.5m so if that's the case I will need to rule out roller shutter doors.
Its not a garage intended to be used day in day out to store cars, its primarily a workshop so the front door will seldom be used. I like the look of the sectional doors but given how infrequently I will use the doors I'm tempted to make some hinged wooden doors... I am yet to make my mind up though tbh.
 
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