17a, Sorrento Road, Sutton, SM1 1QU

17a is a one-bedroom mid-terrace house in Sutton (SM1 1QU). It has a recorded floor area of 40 m² (around 431 sq ft), construction records dating it to before 1900 and council tax band B. At 40 m² this is the 4th smallest of 31 units on EPC record in the building, where floor areas span 37–154 m². The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (July 2014) shows an E (score 50), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 68). The latest certificate is from July 2014, so improvements made since then won't be reflected.

At 40 m² it sits well below the postcode median (78 m² across 30 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. Across 1997–2022, sale prices on this property compounded at 7.2% per year. On a £-per-square-foot basis, the last sale (£581/sq ft) was about 108.8% above the typical sold price in the postcode. Sold November 2022 for £250,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.