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murray1426 05-22-2009 02:59 PM

new double garage
Hi there,
First timer to the forum. Propose to build a big double garage and small workshop/utility room at the rear using up as much of my existing space as possible.
I am hoping to fit the roof of the garage under the 2 feet over hang from the existing roof (as per photos, If Ive managed to attach them). To be honest the architect thats doing the drawings doesn't seem to get it! (possibly cause he's retired and may be out of touch a bit).
All I want is to get rid of the old concrete single garage and use as much of the space to build a really big garage with a utility add on to the rear.
From the overhang to the ground is about 10 feet. Is it possible to build a flat roof under the overhang but still using roof tiles and have a run off towards the rear for rain water?
I propose to butt the garage onto the side of the house and have access from the house as well as via the up and over garage door.
The garden area gets slightly narrower on the garage side as it reaches the rear of the garden. From the front starting at 8 meters wide narrowing to just under 6 meters over a length of about 9 meters.
The architect was drawing this stupid big adon thats sits in space doing nothing adding it onto the existing roof trusses, with an apex style roof (it just didn't look right).
The distance from front to rear that I intend to use is just over 9 meters. Is this too much to have wooden roof trusses supporting the roof from front to rear?(bearing in mind they will need to be longer if I intend have a run off from front to rear for drainage. Is 9 or 10 meter wooden roof trusses just too long?
I plan to attempt this myself to keep costs down. I am NOT clued up with what best materials to use that the planning department will agree to. I am also NOT clued up with all the trade jargon either!
I am fairly confident with the founds and wall builds. Was told that they will have to be double skinned and insulated as the garage is being attached to the house, is this the case?. I take I will need an "H" beam for the garage door (not too sure how to go about this!)Propose to put a couple of windows at the rear and a door into the dining room which will be a step down into the garage which is about 1 to 2 feet lower than the base of the existing garage.
My main concern is the construction and layout of the roof and what materials to use. He is mentioning felt, which I don't want (cause it will no doubt leak in a year or two).
Sorry for the length of the thread, any advice on any of the above would be welcomed.

Scuba_Dave 05-22-2009 04:05 PM

No photo's ?

murray1426 05-23-2009 08:08 AM

2 Attachment(s)
Hopefully the photos are on now!

murray1426 05-23-2009 08:31 AM

As cheap as possible (as always eh?) I was hoping between 3000 and 5000. Am I being too conservative? this (when I do my sums) included everything such as removal of garage, founds, plans, planning fees materials etc. Nearly a third of the that was planning, removal of old and pouring of founds.
Is this anywhere near the mark for what I'm expecting. Budgets tight but as you can see need a bigger garage on the run up to winter!

Gary in WA 05-23-2009 01:11 PM

As you are in England, our local codes wouldn't help much. Go to your local Building Department with the Architect's drawings for approval. Be safe, G

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