21 Portobello Road, Kensington And Chelsea, London, W11 3DA

21 Portobello Road is a one-bedroom detached house in Kensington And Chelsea, London, London (W11 3DA). It has a recorded floor area of 172 m² (around 1851 sq ft) and construction records dating it to 1976-1982. At 172 m² this is the largest unit on EPC record across the building (50–172 m²). The building's EPC ratings span G to C across 5 units on file. Other recorded features include notable views. The latest certificate (September 2021) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in November 2009 the rating was G, the property has climbed 3 bands since. Between certificates, wall efficiency went from Poor to Average, roof efficiency went from Very Poor to Good and hot-water efficiency went from Very Poor to Good.

It hasn't traded since September 1996, a hold of 30 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. At 172 m² the property is well over the postcode median (75 m² across 5 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £1,817,000 sits 1245.9% above the 1996 sale of £135,000. On a £-per-square-foot basis, the last sale (£73/sq ft) was about 83.4% below the postcode norm. 6 planning records sit against the property, 4 approved, 2 refused. Past consents include an extension and subdivision, meaningful when judging how the property has evolved.