Goldholme stone is one of the largest producers of natural limestone products in the UK. Goldholme stone owns its own limestone quarries and has an abundance of limestone block reserves. with a state of the art sawing operation combined with a handful of dedicated stone masons. Natural Lime stone walling & masonry. Different construction materials have widely variable environmental impacts in terms of their manufacture, use in service and potential for re-use at the end of the building’s life. Many attempts have been made to quantify these impacts on a scientific basis, but the variables and the weighting attributed to their impacts are subject to debate. For this exercise, six construction materials have been assessed in an attempt to produce a simple but scientifically sound comparison.