10a, Dartnell Road, Croydon, CR0 6JA

10a is a one-bedroom end-of-terrace house in Croydon (CR0 6JA). It has a recorded floor area of 51 m² (around 549 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (May 2021) shows an E (score 54), well below the UK norm with real room to improve. Earlier certificates rated it D (October 2009); the latest reading is one band lower. Between certificates, roof efficiency dropped from Poor to Very Poor and window efficiency dropped from Average to Poor. The recommended improvements would push it to D (score 64). At 51 m² this is the 11th smallest of 40 units on EPC record in the building, where floor areas span 41–137 m². The building's EPC ratings span F to C across 40 units on file.

11 years since the last transfer (April 2015). Across the public record there are 4 sales, relatively high churn for a single property. It lags the bulk of the postcode on energy efficiency (less efficient than 87% of similar EPCs). Across 1999–2015, sale prices on this property compounded at 8.1% per year. Today's modelled estimate of £228,000 is 30.3% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£319/sq ft) was about 28.4% above the typical sold price in the postcode.