11a, North Parade, Chessington, KT9 1QL

11a is a three-bedroom end-of-terrace house in Chessington (KT9 1QL). It has a recorded floor area of 50 m² (around 538 sq ft), construction records dating it to 1996-2002 and council tax band C. At 50 m² this is the 2nd smallest of 8 units on EPC record in the building, where floor areas span 39–99 m². The building's EPC ratings span D to C, with this unit at the top. Other recorded features include a balcony. The latest certificate (April 2018) shows a C (score 74). When first surveyed in April 2010 the rating was F, the property has climbed 3 bands since. Between certificates, wall efficiency went from Very Poor to Good, hot-water efficiency went from Average to Good and main heating went from Poor to Good; while window efficiency dropped from Good to Average.

At 50 m² it sits well below the postcode median (90 m² across 7 EPCs), making it one of the more compact homes locally. Across 2004–2021, sale prices on this property compounded at 4.8% per year. On a £-per-square-foot basis, the last sale (£595/sq ft) was about 85.8% above the typical sold price in the postcode. Most recent transfer: September 2021 at £320,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.