220a, High Street, Beckenham, BR3 1EN

220a is a mid-terrace house in Beckenham (BR3 1EN). It has a recorded floor area of 55 m² (around 592 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (May 2021) shows a D (score 59), a step below the typical UK home. When first surveyed in January 2011 the rating was E, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Good. The recommended improvements would push it to C (score 74). At 55 m² this is the 6th smallest of 16 units on EPC record in the building, where floor areas span 50–84 m². The building's EPC ratings span E to C across 16 units on file.

Across 1999–2015, sale prices on this property compounded at 15.6% per year. Today's modelled estimate of £287,000 is 55.8% below the 2015 sale of £650,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£1,098/sq ft) was about 152.4% above the typical sold price in the postcode. On the market in July 2015 and unlisted since — roughly 11 years. Across the public record there are 4 sales, relatively high churn for a single property.