12b, Earlham Grove, London, N22 5HJ

12b is an end-of-terrace house in London (N22 5HJ). It has a recorded floor area of 81 m² (around 872 sq ft) and construction records dating it to before 1900. The latest certificate (December 2020) shows a D (score 60), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since December 2010. Between certificates, lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 75). At 81 m² this is the 5th smallest of 8 units on EPC record in the building, where floor areas span 15–211 m². The building's EPC ratings span E to C across 8 units on file.

It hasn't traded since June 2006, a hold of 20 years that's notably long for the area. Today's modelled estimate of £448,000 sits 86.7% above the 2006 sale of £239,995. On a £-per-square-foot basis, the last sale (£275/sq ft) was about 59.4% above the typical sold price in the postcode. At 81 m² it sits well below the postcode median (127 m² across 23 EPCs), making it one of the more compact homes locally.