42b, Highbury Hill, London, N5 1AL

42b is an end-of-terrace house in London (N5 1AL). It has a recorded floor area of 61 m² (around 657 sq ft) and construction records dating it to before 1900. At 61 m² this is the 12th smallest of 24 units on EPC record in the building, where floor areas span 33–115 m². The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (September 2023) shows a D (score 56), a step below the typical UK home. The rating has held steady at D across 11 certificates since October 2008. Between certificates, window efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 73).

Last changed hands 15 years ago, in December 2011. Across the public record there are 4 sales, relatively high churn for a single property. Across 1998–2011, sale prices on this property compounded at 15.1% per year. Today's modelled estimate of £702,000 is 24.2% above the 2011 sale price. On a £-per-square-foot basis, the last sale (£860/sq ft) was about 68.8% above the typical sold price in the postcode.