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

29a is a semi-detached house in Islington, London, London (N7 9SY). It has a recorded floor area of 54 m² (around 581 sq ft), construction records dating it to 1983-1990 and council tax band D. 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.

Across 2002–2017, sale prices on this property compounded at 13.2% per year. On a £-per-square-foot basis, the last sale (£754/sq ft) was about 124% above the typical sold price in the postcode. On the market in August 2017 and unlisted since — roughly 9 years.