9 Imperial Court, Willow Grove, Chislehurst, BR7 5BZ

9 Imperial Court is a one-bedroom semi-detached house in Chislehurst (BR7 5BZ). It has a recorded floor area of 40 m² (around 431 sq ft), construction records dating it to 1967-1975 and council tax band C. Tenure is freehold. The latest certificate (November 2025) shows an F (score 29), near the bottom of the EPC scale. When first surveyed in January 2010 the rating was G, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good and lighting went from Very Poor to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would lift it to C (score 75), a 3-band jump. Main heating runs on electricity. At 40 m² this is the 4th smallest of 9 units on EPC record in the building, where floor areas span 39–45 m². The building's EPC ratings span F to C, with this unit at the bottom.

It hasn't traded since October 1997, a hold of 29 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £242,000 sits 404.2% above the 1997 sale of £48,000. On a £-per-square-foot basis, the last sale (£111/sq ft) was about 61% below the postcode norm. It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs).