51a, Dundalk Road, Lewisham, London, SE4 2JJ

51a is a one-bedroom semi-detached house in Lewisham, London, London (SE4 2JJ). It has a recorded floor area of 50 m² (around 538 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (November 2019) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since June 2012. Between certificates, window efficiency dropped from Good to Average and lighting dropped from Very Good to Good. The recommended improvements would push it to C (score 76). At 50 m² this is the 2nd smallest of 28 units on EPC record in the building, where floor areas span 50–179 m². The building's EPC ratings span E to C across 28 units on file.

On a £-per-square-foot basis, the last sale (£678/sq ft) was about 56.4% above the typical sold price in the postcode. At 50 m² it's 18% smaller than the typical home in the postcode (61 m² median across 30 EPCs). Last sale on file: £365,000 in April 2020.