3 Cornwall Road, Harrow, HA1 4ND

3 Cornwall Road is a one-bedroom mid-terrace house in Harrow (HA1 4ND). It has a recorded floor area of 52 m² (around 560 sq ft), construction records dating it to 1930-1949 and council tax band C. At 52 m² this is the 3rd smallest of 21 units on EPC record in the building, where floor areas span 43–164 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (July 2020) shows a C (score 75), near the top of the C band. When first surveyed in July 2010 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good and lighting went from Average to Very Good.

Untraded for 21 years, with the last transfer in March 2005. Across 1998–2005, sale prices on this property compounded at 14% per year. Today's modelled estimate of £297,000 sits 80% above the 2005 sale of £165,000. On a £-per-square-foot basis, the last sale (£295/sq ft) was about 72.5% above the typical sold price in the postcode. At 52 m² it sits well below the postcode median (97 m² across 20 EPCs), making it one of the more compact homes locally.