Flat 2, 11 Onslow Square, London, SW7 3NJ

Flat 2 is a mid-terrace house in London (SW7 3NJ). It has a recorded floor area of 108 m² (around 1163 sq ft), construction records dating it to before 1900 and council tax band G. At 108 m² this is the 7th smallest of 9 units on EPC record in the building, where floor areas span 70–111 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (January 2025) shows a C (score 73). The rating has held steady at C across 2 certificates since December 2014. Between certificates, wall efficiency went from Very Poor to Poor and lighting went from Average to Very Good. The recommended improvements would push it to B (score 82).

Today's modelled estimate of £1,728,000 is 37.2% below the 2015 sale of £2,750,000, running counter to the wider postcode trend, which makes the EPC and condition history especially worth a look. On a £-per-square-foot basis, the last sale (£2,366/sq ft) was about 212.5% above the typical sold price in the postcode. 11 years since the last transfer (April 2015). One historical planning record sits against the property in 2015.