4a, Hugh Street, Westminster, London, SW1V 1RP

4a is a two-bedroom mid-terrace house in Westminster, London, London (SW1V 1RP). It has a recorded floor area of 89 m² (around 958 sq ft), construction records dating it to 1996-2002 and council tax band G. At 89 m² this is the 8th smallest of 18 units on EPC record in the building, where floor areas span 11–177 m². The building's EPC ratings span E to C, with this unit at the top. On EPC score it ranks first in the building (80 versus a worst of 46). The latest certificate (August 2020) shows a C (score 80), near the top of the C band. The rating has held steady at C across 2 certificates since June 2010. Between certificates, lighting went from Average to Very Good.

Held since April 2007 — that's 19 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 89 m² it's 25.4% larger than the typical home in the postcode (71 m² median across 23 EPCs). Across 1998–2007, sale prices on this property compounded at 7.3% per year. Today's modelled estimate of £793,000 is 41.6% above the 2007 sale price. On a £-per-square-foot basis, the last sale (£585/sq ft) was about 37.4% below the postcode norm.