3a, Moreton Terrace, Westminster, London, SW1V 2NS

3a is a mid-terrace house in Westminster, London, London (SW1V 2NS). It has a recorded floor area of 118 m² (around 1270 sq ft) and construction records dating it to 1930-1949. At 118 m² this is the 17th smallest of 23 units on EPC record in the building, where floor areas span 33–233 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 (75 versus a worst of 39). The latest certificate (August 2020) shows a C (score 75), near the top of the C band. When first surveyed in June 2009 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good. The recommended improvements would push it to B (score 82).

At 118 m² the property is well over the postcode median (62 m² across 32 EPCs), placing it in the larger end of the local stock. Last changed hands 14 years ago, in January 2012. Across the public record there are 7 sales, relatively high churn for a single property. Across 1997–2012, sale prices on this property compounded at 15.2% per year. Today's modelled estimate of £1,394,000 is 11.5% above the 2012 sale price. On a £-per-square-foot basis, the last sale (£984/sq ft) was about 72% above the typical sold price in the postcode.