8a, Kenton Avenue, Harrow, HA1 2BN

8a is a three-bedroom mid-terrace house in Harrow (HA1 2BN). It has a recorded floor area of 90 m² (around 969 sq ft), construction records dating it to 1900-1929 and council tax band C. At 90 m² this is the 10th smallest of 12 units on EPC record in the building, where floor areas span 56–170 m². The building's EPC ratings span E to D, with this unit at the top. The latest certificate (October 2022) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in January 2011 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Good; while roof efficiency dropped from Good to Average. The recommended improvements would push it to C (score 79).

Held since November 2005 — that's 21 years off the open market, well above the local norm. Across 1998–2005, sale prices on this property compounded at 11.6% per year. Today's modelled estimate of £426,000 sits 85.2% above the 2005 sale of £230,000. On a £-per-square-foot basis, the last sale (£237/sq ft) was about 21.9% below the postcode norm. At 90 m² it's 18.4% larger than the typical home in the postcode (76 m² median across 11 EPCs).