1 Cissbury, Windsor Road, Ascot, SL5 7LF

1 Cissbury is a two-bedroom semi-detached house in Ascot (SL5 7LF). It has a recorded floor area of 90 m² (around 969 sq ft), construction records dating it to before 1900 and council tax band D. At 90 m² this is the smallest unit on EPC record across the building (90–203 m²). The building's EPC ratings span D to B, with this unit at the bottom. On EPC score it ranks last in the building (63 versus a best of 88). The latest certificate (January 2023) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since September 2012. Between certificates, lighting went from Good to Very Good. The recommended improvements would push it to C (score 78).

At 90 m² it sits well below the postcode median (179 m² across 19 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £381,000 is 41.1% above the 2012 sale price. On a £-per-square-foot basis, the last sale (£279/sq ft) was about 49.3% below the postcode norm. On the market in July 2012 and unlisted since — roughly 14 years.