111a, Lynton Road, Harrow, HA2 9NJ

111a is a semi-detached house in Harrow (HA2 9NJ). It has a recorded floor area of 43 m² (around 463 sq ft), construction records dating it to 1930-1949 and council tax band C. At 43 m² this is the smallest unit on EPC record across the building (43–1628 m²). The building's EPC ratings span E to C across 39 units on file. The latest certificate (January 2016) shows a D (score 57), a step below the typical UK home. The rating has held steady at D across 2 certificates since December 2011. Between certificates, roof efficiency dropped from Average to Very Poor and lighting dropped from Very Good to Good. The recommended improvements would push it to C (score 76). The latest certificate is from January 2016, so improvements made since then won't be reflected.

At 43 m² it sits well below the postcode median (88 m² across 38 EPCs), making it one of the more compact homes locally. Today's modelled estimate of £456,000 is 30.3% above the 2013 sale price. On a £-per-square-foot basis, the last sale (£756/sq ft) was about 143.4% above the typical sold price in the postcode. On the market in August 2013 and unlisted since — roughly 13 years.