21 Clifford Close, Northolt, UB5 5NJ

21 Clifford Close is a three-bedroom end-of-terrace house in Northolt (UB5 5NJ). It has a recorded floor area of 109 m² (around 1173 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (January 2014) shows a D (score 56), a step below the typical UK home. When first surveyed in February 2010 the rating was F, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Poor to Good, lighting went from Very Poor to Average and main heating went from Average to Good; while roof efficiency dropped from Average to Poor and window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 82), a 2-band jump. The latest certificate is from January 2014, so improvements made since then won't be reflected. Other recorded features include a conservatory.

It hasn't traded since August 2010, a hold of 16 years that's notably long for the area. At 109 m² the property is well over the postcode median (79 m² across 28 EPCs), placing it in the larger end of the local stock. Across 2000–2010, sale prices on this property compounded at 6.3% per year. Today's modelled estimate of £448,000 sits 79.2% above the 2010 sale of £250,000. On a £-per-square-foot basis, the last sale (£213/sq ft) was about 23.4% above the typical sold price in the postcode.