Flat 3, 90 Onslow Gardens, London, SW7 3BS

Flat 3 is a one-bedroom mid-terrace house in London (SW7 3BS). It has a recorded floor area of 51 m² (around 549 sq ft) and construction records dating it to before 1900. The latest certificate (November 2022) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (June 2009); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Poor. The recommended improvements would push it to C (score 79). At 51 m² this is the 2nd smallest of 5 units on EPC record in the building, where floor areas span 44–150 m². The building's EPC ratings span E to C across 5 units on file.

Today's modelled estimate of £1,130,000 is 24.7% below the 2015 sale of £1,500,000, 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 (£2,732/sq ft) was about 250.4% above the typical sold price in the postcode. 5 planning records sit against the property, 1 approved, 4 refused. Past consents include subdivision, meaningful when judging how the property has evolved. The record references listed-building consent, which constrain future alterations. 11 years since the last transfer (February 2015). At 51 m² it's 23.5% smaller than the typical home in the postcode (67 m² median across 26 EPCs).