Right, I spoke to the owner of the wall this evening, and it seems there is a little more to this than meets the eye. The owner of the land had the wall built on their land without consent from the commercial premises. When the bricks were removed they had a knock at the door by someone who asked if it was alright to tidy up the bricks - the owner thought I had organised this and so agreed, but no charges were spoken about or agreed. The commercial premises it appears gave the go ahead to the builder as they built the wall albeit without consent and have been charged for the removal and disposal of the bricks which they are now demanding we pay. My thoughts are as we were not contacted we shouldn't pay, however I feel that this could blow up into something far beyond the hassle its worth and am suggesting I post an advert on find a builder to get a quote for removal and disposal of the bricks and perhaps offer 50% of that charge in light of not agreeing to it in the first place and the fact that the quotes we got originally were for reusing the bricks which are now going to be more as we have to cover the cost of new materials. Does that sound fair? I am keen to make this work but the commercial premises appear to be assuming I am going to pay for un-agreed work which we had no intention of commissioning from a builder who's based a long way from the actual location.