Flat 3, 122 Holland Park Avenue, London, W11 4UA

Flat 3 is an end-of-terrace house in London (W11 4UA). It has a recorded floor area of 52 m² (around 560 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (June 2021) shows a D (score 60), on the cusp of jumping into the C band. When first surveyed in May 2010 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 79). At 52 m² this is the 2nd smallest of 3 units on EPC record in the building, where floor areas span 49–69 m². The building's EPC ratings span D to C, with this unit at the bottom. On EPC score it ranks last in the building (60 versus a best of 78).

Sale prices here have outpaced London HPI: 7% per year against 0% for the wider region. Today's modelled estimate of £669,000 is 21.3% below the 2020 sale of £850,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£1,519/sq ft) was about 300.5% above the typical sold price in the postcode. 8 planning records sit against the property, 6 approved, 1 refused. Past consents include new windows, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs). Most recent transfer: September 2020 at £850,000.