15a Herga Court, Sudbury Hill, Harrow, HA1 3RS

15a Herga Court is a one-bedroom semi-detached house in Harrow (HA1 3RS). It has a recorded floor area of 62 m² (around 667 sq ft), construction records dating it to before 1900 and council tax band C. At 62 m² this is the 9th smallest of 50 units on EPC record in the building, where floor areas span 23–120 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (53 versus a best of 80). Other recorded features include a balcony. The latest certificate (September 2021) shows an E (score 53), well below the UK norm with real room to improve. Earlier certificates rated it D (September 2021); the latest reading is one band lower. Between certificates, wall efficiency dropped from Average to Very Poor. The recommended improvements would push it to D (score 66).

At 62 m² it's 26.6% smaller than the typical home in the postcode (84 m² median across 49 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1997–2023, sale prices on this property compounded at 5.7% per year. On a £-per-square-foot basis, the last sale (£427/sq ft) was about 93.2% above the typical sold price in the postcode. Sold July 2023 for £285,000.