21 Alvington Crescent, Hackney, London, E8 2NN

21 Alvington Crescent is a three-bedroom mid-terrace house in Hackney, London, London (E8 2NN). It has a recorded floor area of 21 m² (around 226 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (July 2023) shows a C (score 77), near the top of the C band. When first surveyed in July 2016 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Good and lighting went from Poor to Very Good; while hot-water efficiency dropped from Good to Very Poor and main heating dropped from Good to Very Poor. The recommended improvements would push it to B (score 81). Main heating runs on electricity. At 21 m² this is the 3rd smallest of 33 units on EPC record in the building, where floor areas span 18–151 m². The building's EPC ratings span F to B across 33 units on file. Period features are noted in the property record.

At 21 m² it sits well below the postcode median (82 m² across 41 EPCs), making it one of the more compact homes locally. On the market in April 2017 and unlisted since — roughly 9 years. Across the public record there are 4 sales, relatively high churn for a single property. 4 planning records sit against the property, 3 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 1997–2017, sale prices on this property compounded at 10.1% per year. On a £-per-square-foot basis, the last sale (£4,999/sq ft) was about 864.1% above the typical sold price in the postcode.