18a Herga Court, Sudbury Hill, Harrow, HA1 3RS

18a Herga Court is a one-bedroom end-of-terrace house in Harrow (HA1 3RS). It has a recorded floor area of 37 m² (around 398 sq ft), construction records dating it to 1930-1949 and council tax band B. At 37 m² this is the 5th 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 top. The property has solar panels on record, all of which lower running costs and tend to lift resale appeal. The latest certificate (August 2025) shows a C (score 73). The rating has held steady at C across 2 certificates since November 2009. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Poor to Very Good; while window efficiency dropped from Average to Poor.

At 37 m² it sits well below the postcode median (84 m² across 49 EPCs), making it one of the more compact homes locally. Across 1997–2019, sale prices on this property compounded at 6.4% per year. On a £-per-square-foot basis, the last sale (£603/sq ft) was about 167.2% above the typical sold price in the postcode. Last sale on file: £240,000 in March 2019.