20a, Highbury Grove, Islington, London, N5 2EA

20a is a two-bedroom detached house in Islington, London, London (N5 2EA). It has a recorded floor area of 95 m² (around 1023 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (February 2022) shows a D (score 55), a step below the typical UK home. When first surveyed in September 2009 the rating was F, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Average to Good, lighting went from Good to Very Good and main heating went from Average to Good. The recommended improvements would push it to C (score 72). At 95 m² this is the 2nd smallest of 3 units on EPC record in the building, where floor areas span 91–107 m². On EPC score it ranks last in the building (55 versus a best of 67).

Last sale on file: £820,000 in February 2020. Across the public record there are 6 sales, relatively high churn for a single property. Across 1996–2020, sale prices on this property compounded at 8.5% per year. Today's modelled estimate of £903,000 is 10.1% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£802/sq ft) was about 129.1% above the typical sold price in the postcode. One historical planning record sits against the property in 2019.