23a, Haven Lane, Ealing, London, W5 2HZ

23a is a two-bedroom mid-terrace house in Ealing, London, London (W5 2HZ). It has a recorded floor area of 73 m² (around 786 sq ft), construction records dating it to 1930-1949 and council tax band C. At 73 m² this is the 18th smallest of 30 units on EPC record in the building, where floor areas span 39–158 m². The building's EPC ratings span F to C, with this unit at the top. On EPC score it ranks first in the building (76 versus a worst of 21). The latest certificate (October 2022) shows a C (score 76), near the top of the C band. When first surveyed in September 2012 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Poor to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to B (score 82).

Its energy rating outperforms most of the postcode (better than 71% of similar EPCs). On the market in January 2018 and unlisted since — roughly 8 years. Across 2000–2018, sale prices on this property compounded at 4.3% per year. Today's modelled estimate of £530,000 is 41.8% above the 2018 sale price.