41b, Mount Park Road, London, W5 2RS

41b is a semi-detached house in London (W5 2RS). It has a recorded floor area of 77 m² (around 829 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (April 2022) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2011. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from 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 C (score 77). At 77 m² this is the 19th smallest of 22 units on EPC record in the building, where floor areas span 25–85 m². The building's EPC ratings span F to C across 22 units on file.

A recent sale: £522,500 in October 2025. At 77 m² it's 18.5% larger than the typical home in the postcode (65 m² median across 82 EPCs). Across 2012–2025, sale prices on this property compounded at 3.4% per year. On a £-per-square-foot basis, the last sale (£630/sq ft) was about 16.3% above the typical sold price in the postcode.