There are substantial reserves of dimension Portland stone within the quarry which will last beyond the current planning consent, ending in 2042.

As an open cast quarry, this method of quarrying provides quicker extraction of raw block dimension stone whilst maintaining its integrity. Today Perryfield Quarry is at present Portland Stone Firms' main production site. It is being worked in a westerly direction. During its operational history the quarry did cease activity for a while, but was re-opened due to the demand for the particular