100a, Gladstone Avenue, Haringey, London, N22 6LH

100a is a mid-terrace house in Haringey, London, London (N22 6LH). It has a recorded floor area of 95 m² (around 1023 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (December 2021) shows a D (score 57), a step below the typical UK home. When first surveyed in April 2012 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Average, hot-water efficiency went from Poor to Good and lighting went from Good to Very Good. The recommended improvements would push it to C (score 72). At 95 m² this is the 37th smallest of 45 units on EPC record in the building, where floor areas span 39–105 m². The building's EPC ratings span F to C across 45 units on file.

At 95 m² the property is well over the postcode median (64 m² across 45 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £546,000 sits 102.2% above the 2013 sale of £270,000. On a £-per-square-foot basis, the last sale (£264/sq ft) was about 21.3% above the typical sold price in the postcode. One planning record on file: new windows approved in 2023. Past consents include new windows, meaningful when judging how the property has evolved. On the market in March 2013 and unlisted since — roughly 13 years.