20d, Victoria Road, Knaphill, Woking, GU21 2AH

20d is a semi-detached house in Knaphill, Woking, Woking (GU21 2AH). It has a recorded floor area of 53 m² (around 570 sq ft) and construction records dating it to 1930-1949. The latest certificate (November 2025) shows a G (score 20), near the bottom of the EPC scale. Earlier certificates rated it F (November 2014); the latest reading is one band lower. Between certificates, wall efficiency dropped from Poor to Very Poor and roof efficiency dropped from Good to Average. The recommended improvements would lift it to C (score 70), a 4-band jump. Main heating runs on to be used only when there is no heating/hot. At 53 m² this is the 2nd smallest of 24 units on EPC record in the building, where floor areas span 48–227 m². The building's EPC ratings span G to C, with this unit at the bottom. On EPC score it ranks last in the building (20 versus a best of 74).

At 53 m² it sits well below the postcode median (100 m² across 23 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. On a £-per-square-foot basis, the last sale (£368/sq ft) was about 46.3% above the typical sold price in the postcode. Last changed hands 11 years ago, in August 2015.