Flat 5, 27 Powis Square, London, W11 2AZ

Flat 5 is a mid-terrace house in London (W11 2AZ). It has a recorded floor area of 91 m² (around 980 sq ft), construction records dating it to 1900-1929 and council tax band D. At 91 m² this is the largest unit on EPC record across the building (56–91 m²). The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (66 versus a best of 73). The latest certificate (November 2015) shows a D (score 66), on the cusp of jumping into the C band. Earlier certificates rated it C (August 2009); the latest reading is one band lower. Between certificates, window efficiency went from Poor to Average and lighting went from Poor to Very Good. The recommended improvements would push it to C (score 69). The latest certificate is from November 2015, so improvements made since then won't be reflected.

At 91 m² the property is well over the postcode median (66 m² across 46 EPCs), placing it in the larger end of the local stock. One planning record on file: an extension approved in 2015. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £1,352,000 is 14.1% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£1,210/sq ft) was about 16.1% below the postcode norm. 10 years since the last transfer (June 2016).