41b, Althea Street, Hammersmith And Fulham, London, SW6 2RX

41b is a four-bedroom end-of-terrace house in Hammersmith And Fulham, London, London (SW6 2RX). It has a recorded floor area of 56 m² (around 603 sq ft) and construction records dating it to before 1900. At 56 m² this is the 8th smallest of 31 units on EPC record in the building, where floor areas span 49–178 m². The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (February 2021) 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 April 2009. Between certificates, lighting went from Very Poor to 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 80).

Sale prices here have outpaced London HPI: 9.4% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£1,004/sq ft) was about 101.7% above the typical sold price in the postcode. On the market in October 2017 and unlisted since — roughly 9 years. Across the public record there are 6 sales, relatively high churn for a single property. 3 planning records sit against the property, 2 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 70% of similar EPCs). 4 bedrooms is on the larger side for this postcode, where 3 is the typical count.