42c, Mount Ararat Road, Richmond, TW10 6PJ

42c is a one-bedroom semi-detached house in Richmond (TW10 6PJ). It has a recorded floor area of 63 m² (around 678 sq ft) and construction records dating it to 1930-1949. The latest certificate (June 2022) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in July 2009 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good; while roof efficiency dropped from Good to Average and hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to C (score 71). At 63 m² this is the 5th smallest of 14 units on EPC record in the building, where floor areas span 46–253 m². The building's EPC ratings span F to C across 14 units on file.

At 63 m² it sits well below the postcode median (171 m² across 13 EPCs), making it one of the more compact homes locally. Most recent transfer: July 2024 at £600,000. Across the public record there are 5 sales, relatively high churn for a single property. Across 2003–2024, sale prices on this property compounded at 4.2% per year. On a £-per-square-foot basis, the last sale (£885/sq ft) was about 66% above the typical sold price in the postcode.