Flat 1, 44 Onslow Road, Richmond, TW10 6QE

Flat 1 is a semi-detached house in Richmond (TW10 6QE). It has a recorded floor area of 30 m² (around 323 sq ft), construction records dating it to 1900-1929 and council tax band C. At 30 m² this is the smallest unit on EPC record across the building (30–89 m²). The building's EPC ratings span E to C across 4 units on file. The latest certificate (January 2022) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in January 2012 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 77).

Across 1997–2016, sale prices on this property compounded at 8.7% per year. Today's modelled estimate of £358,000 is 12.4% below the 2016 sale of £408,500, an unusual pattern given regional price growth and worth checking against the EPC condition. On a £-per-square-foot basis, the last sale (£1,265/sq ft) was about 124.8% above the typical sold price in the postcode. At 30 m² it sits well below the postcode median (82 m² across 18 EPCs), making it one of the more compact homes locally. Last changed hands 10 years ago, in June 2016. One historical planning record sits against the property in 2013.