51a, Aylesford Street, London, SW1V 3RY

51a is a one-bedroom detached house in London (SW1V 3RY). It has a recorded floor area of 54 m² (around 581 sq ft), construction records dating it to 1930-1949 and council tax band E. The latest certificate (April 2022) shows a D (score 68), on the cusp of jumping into the C band. When first surveyed in January 2010 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good, lighting went from Very Poor to Very Good and main heating went from Average to Good. The recommended improvements would push it to C (score 79). At 54 m² this is the 27th smallest of 31 units on EPC record in the building, where floor areas span 18–79 m². The building's EPC ratings span D to C, with this unit at the bottom. Period features are noted in the property record.

At 54 m² the property is well over the postcode median (40 m² across 52 EPCs), placing it in the larger end of the local stock. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. 14 years since the last transfer (April 2012). Across the public record there are 4 sales, relatively high churn for a single property. Across 1995–2012, sale prices on this property compounded at 10% per year. Today's modelled estimate of £609,000 is 21.8% above the 2012 sale price. On a £-per-square-foot basis, the last sale (£860/sq ft) was about 59.3% above the typical sold price in the postcode.