6a, Burgoyne Road, London, N4 1AD

6a is an end-of-terrace house in London (N4 1AD). It has a recorded floor area of 63 m² (around 678 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (September 2022) shows a D (score 64), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since November 2009. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Very Poor to Average and lighting went from Average to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to C (score 76). At 63 m² this is the 8th smallest of 13 units on EPC record in the building, where floor areas span 35–90 m². The building's EPC ratings span E to C across 13 units on file.

Untraded for 19 years, with the last transfer in July 2007. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Today's modelled estimate of £449,000 sits 327.6% above the 2007 sale of £105,000. On a £-per-square-foot basis, the last sale (£155/sq ft) was about 51.1% below the postcode norm.