173b, Richmond Road, Hackney, London, E8 3NJ

173b is a semi-detached house in Hackney, London, London (E8 3NJ). It has a recorded floor area of 43 m² (around 463 sq ft) and construction records dating it to 1930-1949. The latest certificate (May 2023) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in November 2009 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Poor, hot-water efficiency went from Poor to Good and main heating went from Average to Good. The recommended improvements would push it to C (score 76). At 43 m² this is the 6th smallest of 30 units on EPC record in the building, where floor areas span 33–234 m². The building's EPC ratings span E to C across 30 units on file.

Sold October 2023 for £535,500. Across the public record there are 5 sales, relatively high churn for a single property. Across 2002–2023, sale prices on this property compounded at 6.3% per year. Today's modelled estimate of £591,000 is 10.4% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£1,157/sq ft) was about 151.3% above the typical sold price in the postcode. At 43 m² it's 27.1% smaller than the typical home in the postcode (59 m² median across 56 EPCs).