most estate agents dont know their This post will be deleted if not edited to remove bad language from their elbow and quite frequently, you the vendor would have a far better appreciation of the true value of your property. as i said in my previous post, its a plus if it is a unique(ish) feature of your property. if everyone has the same space and options , it is nothing special. if you have extra space, most people would assume that there is scope for extending and assume that they would have to pay for that advantage, so you can advertise the property as having a garage/extension space without having to fork out for plans.