21a, Alkerden Road, Hounslow, London, W4 2HP

21a is a three-bedroom semi-detached house in Hounslow, London, London (W4 2HP). It has a recorded floor area of 87 m² (around 936 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (July 2023) shows a D (score 67), on the cusp of jumping into the C band. When first surveyed in October 2011 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good and lighting went from Good to Very Good; while roof efficiency dropped from Poor to Very Poor. The recommended improvements would push it to C (score 73).

Across 2008–2011, sale prices on this property compounded at 6.4% per year. Today's modelled estimate of £692,000 sits 62.8% above the 2011 sale of £425,000. On a £-per-square-foot basis, the last sale (£454/sq ft) was about 16.7% above the typical sold price in the postcode. 4 planning records sit against the property, 1 approved, 3 refused. Past consents include an extension and a loft conversion, meaningful when judging how the property has evolved. Last sold in September 2011, so it's been off the market for around 15 years. At 87 m² it's 22.1% smaller than the typical home in the postcode (112 m² median across 22 EPCs).