In article <be287v$sq4$1@sparta.btinternet.com>, IanJH
<ijhill@btinternet.com> writes
>
>"MrCheerful" <nbkm57@nospamhotmail.com> wrote in message
>news:Gr0Na.427$sn.3194029@news-text.cableinet.net...
>> David @nospam.cod wrote:
>> > I plan to increase the height of my garage by about 6' to build an
>> > extra storey, I'll be re-using the existing roof as it is, instead
>> of
>> > dismantling the whole thing and then rebuilding I thought I might
>> jack
>> > the roof up and slip some extra wall underneath, what do you think?
>>
>> I must admit it is the sort of thing I would try.  It depends on
>> construction, but it could be done using triangulated acrow props (or
>> they will tip sideways) and lifting a foot or so at a time, then
>> propping or building underneath.  Weather might be a problem, one good
>> blow of wind and you have a disaster, safety of you while lifting is a
>> big thought too.
>>
>>
>
>don't forget the planning permission(??) needed if the apex or the ridge of
>the roof is going over 4m
>
Sorted with planning and building control. its just the doing that's the
issue
-- 
David