366a, Flat Rear, Upper Richmond Road West, Richmond Upon Thames, London, SW14 7JU

366a is a semi-detached house in Richmond Upon Thames, London, London (SW14 7JU). It has a recorded floor area of 40 m² (around 431 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (February 2023) shows a C (score 78), near the top of the C band. When first surveyed in June 2021 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Very Poor to Good and window efficiency went from Average to Good; while hot-water efficiency dropped from Good to Average and main heating dropped from Good to Average. Main heating runs on electricity.

Today's modelled estimate of £310,000 is 31.1% below the 2022 sale of £450,000, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£1,045/sq ft) was about 187% above the typical sold price in the postcode. At 40 m² it sits well below the postcode median (77 m² across 13 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 77% of similar EPCs). Sold February 2022 for £450,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.