18 Bryanston Mansions, York Street, London, W1H 1DA

18 Bryanston Mansions is a three-bedroom end-of-terrace house in London (W1H 1DA). It has a recorded floor area of 95 m² (around 1023 sq ft) and construction records dating it to before 1900. At 95 m² this is the 5th smallest of 21 units on EPC record in the building, where floor areas span 72–159 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (October 2020) shows a C (score 75), near the top of the C band. The rating has held steady at C across 2 certificates since March 2010. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Very Poor to Average and lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to B (score 81).

Untraded for 16 years, with the last transfer in July 2010. Across the public record there are 5 sales, relatively high churn for a single property. Sale prices here have outpaced London HPI: 13.2% per year against 0% for the wider region. Today's modelled estimate of £1,767,000 is 24% above the 2010 sale price. On a £-per-square-foot basis, the last sale (£1,394/sq ft) was about 52.5% above the typical sold price in the postcode. At 95 m² it's 19.5% smaller than the typical home in the postcode (118 m² median across 20 EPCs).