12 Shaftesbury Avenue, South Harrow, Harrow, HA2 0PH

12 Shaftesbury Avenue is a semi-detached house in South Harrow, Harrow, Harrow (HA2 0PH). It has a recorded floor area of 48 m² (around 513 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (September 2011) shows a G (score 13), near the bottom of the EPC scale. Earlier certificates rated it F (April 2010); the latest reading is one band lower. Between certificates, window efficiency dropped from Good to Average and main heating dropped from Poor to Very Poor. Main heating runs on electricity. The latest certificate is from September 2011, so improvements made since then won't be reflected.

Today's modelled estimate of £271,000 is 49.8% below the 2017 sale of £540,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£1,053/sq ft) was about 212.3% above the typical sold price in the postcode. At 48 m² it sits well below the postcode median (106 m² across 12 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. One planning record on file: an extension approved in 2023. Past consents include an extension, meaningful when judging how the property has evolved. On the market in September 2017 and unlisted since — roughly 9 years.