Pressure treated sheds & timber garages. if you are looking for a wooden shed or garage of superior quality and unbeatable value, then our garden sheds or garages will fit the bill. our multipurpose storage and work sheds offer premium security and the extra space you need for your latest diy project.. 424 ads in garden sheds for sale. sort by: refine (1) location. distance. go. nearby. united kingdom; england 266 northern ireland large shed to let 2 rollers doors located halfway between dungannon and ballygawley