18e, Offerton Road, London, SW4 0DJ

18e is a one-bedroom end-of-terrace house in London (SW4 0DJ). It has a recorded floor area of 28 m² (around 301 sq ft), construction records dating it to 1900-1929 and council tax band E. At 28 m² this is the smallest unit on EPC record across the building (28–98 m²). The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (November 2020) shows a D (score 62), on the cusp of jumping into the C band. The rating has held steady at D across 4 certificates since October 2009. Between certificates, wall efficiency went from Very Poor to Poor, window efficiency went from Very Poor to Average and lighting went from Average to Very Good. The recommended improvements would push it to C (score 77).

Across 2017–2021, sale prices here grew 0.4% per year, broadly in step with London's 0% HPI growth. Today's modelled estimate of £444,000 is 12.5% below the 2021 sale of £507,500, below the original sale price, which typically signals condition or completion-status changes worth verifying. On a £-per-square-foot basis, the last sale (£1,684/sq ft) was about 305.6% above the typical sold price in the postcode. At 28 m² it sits well below the postcode median (54 m² across 19 EPCs), making it one of the more compact homes locally. Sold September 2021 for £507,500. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.