51a, Devonshire Road, London, N13 4QU

51a is a mid-terrace house in London (N13 4QU). It has a recorded floor area of 62 m² (around 667 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (January 2017) shows a D (score 55), a step below the typical UK home. When first surveyed in March 2010 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor and hot-water efficiency went from Average to Good; while window efficiency dropped from Average to Very Poor and lighting dropped from Very Good to Good. At 62 m² this is the 4th smallest of 11 units on EPC record in the building, where floor areas span 59–95 m². The building's EPC ratings span E to C across 11 units on file.

Across 1996–2011, sale prices on this property compounded at 8.9% per year. Today's modelled estimate of £392,000 sits 72.7% above the 2011 sale of £227,000. On a £-per-square-foot basis, the last sale (£340/sq ft) was about 45.8% above the typical sold price in the postcode. 15 years since the last transfer (October 2011). Across the public record there are 4 sales, relatively high churn for a single property. At 62 m² it's 15.1% smaller than the typical home in the postcode (73 m² median across 45 EPCs).