Flat 4, 10 Arundel Gardens, London, W11 2LA

Flat 4 is a one-bedroom mid-terrace house in London (W11 2LA). It has a recorded floor area of 49 m² (around 527 sq ft), construction records dating it to before 1900 and council tax band E. At 49 m² this is the smallest unit on EPC record across the building (49–58 m²). The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (51 versus a best of 70). The latest certificate (January 2022) shows an E (score 51), well below the UK norm with real room to improve. When first surveyed in December 2009 the rating was F, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Very Good and main heating went from Very Poor to Average. The recommended improvements would lift it to B (score 81), a 3-band jump. Main heating runs on electricity.

Sale prices here have outpaced London HPI: 7.7% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£2,076/sq ft) was about 221.2% above the typical sold price in the postcode. At 49 m² it's 17.6% smaller than the typical home in the postcode (60 m² median across 34 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 88% of similar EPCs). Last sale on file: £1,095,000 in December 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.