23a, Elm Road, Richmond Upon Thames, London, SW14 7JL

23a is a two-bedroom detached house in Richmond Upon Thames, London, London (SW14 7JL). It has a recorded floor area of 77 m² (around 828 sq ft), construction records dating it to 1900-1929 and council tax band D. Tenure is freehold. The latest certificate (January 2010) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in October 2009 the rating was E, the property has climbed 1 band since. The recommended improvements would push it to C (score 70). The latest certificate is from January 2010, so improvements made since then won't be reflected. At 77 m² this is the 9th smallest of 19 units on EPC record in the building, where floor areas span 44–236 m². The building's EPC ratings span E to C across 19 units on file. Our model identifies extension potential, subject to local planning policy.

Untraded for 15 years, with the last transfer in May 2011. Across 1999–2011, sale prices on this property compounded at 9.3% per year. Today's modelled estimate of £494,000 sits 67.5% above the 2011 sale of £295,000. On a £-per-square-foot basis, the last sale (£356/sq ft) was about 20.1% below the postcode norm. One historical planning record sits against the property in 2017.