This garden is depicted on the Second Edition Ordnance Survey 25-inch map of Anglesey XV, sheet 5 (1900). Its main elements on that map include greenhouses, lodge, carriage drive, isolated geometric copses, orchard, terrace and woodland. C.H. Nicholas. RCAHMW. 7th August 2006.
Haulfre, was a country house built for the family of Major Chadwick, a wealthy industrialist from Lancashire. The extensive outbuilding included a gasworks with two gasometers. The house was bequeathed to the council on the death of the last Chadwick in the 1960’s The 1889 to 1919 OS maps recorded gasometers at the property adjacent outbuildings, indicating a private gasworks which would have lit the house.