29b, Heddington Grove, Islington, London, N7 9SY

29b is a two-bedroom semi-detached house in Islington, London, London (N7 9SY). It has a recorded floor area of 54 m² (around 581 sq ft) and construction records dating it to 1983-1990. The latest certificate (January 2024) shows a C (score 69), just inside the C band. When first surveyed in November 2014 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Good and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Average to Poor and main heating dropped from Average to Very Poor. Main heating runs on electricity. At 54 m² this is the 25th smallest of 33 units on EPC record in the building, where floor areas span 35–115 m². The building's EPC ratings span E to B across 33 units on file. The home occupies a cul-de-sac position.

Untraded for 19 years, with the last transfer in January 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 £365,000 sits 185% above the 2007 sale of £128,050. On a £-per-square-foot basis, the last sale (£220/sq ft) was about 36.3% below the postcode norm.