257a, New Kings Road, Hammersmith And Fulham, London, SW6 4RB

257a is a mid-terrace house in Hammersmith And Fulham, London, London (SW6 4RB). It has a recorded floor area of 53 m² (around 570 sq ft) and construction records dating it to before 1900. At 53 m² this is the smallest unit on EPC record across the building (53–134 m²). The building's EPC ratings span E to B across 7 units on file. The latest certificate (February 2023) shows a C (score 71). The rating has held steady at C across 4 certificates since June 2009. Between certificates, window efficiency went from 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.

Sale prices here have outpaced London HPI: 5% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£1,665/sq ft) was about 245.7% above the typical sold price in the postcode. At 53 m² it sits well below the postcode median (83 m² across 10 EPCs), making it one of the more compact homes locally. Its energy rating outperforms most of the postcode (better than 80% of similar EPCs). Most recent transfer: November 2022 at £950,000. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.