Top Floor Flat, 70 Eccleston Square, London, SW1V 1PJ

Top Floor Flat is a mid-terrace house in London (SW1V 1PJ). It has a recorded floor area of 80 m² (around 861 sq ft) and construction records dating it to before 1900. The latest certificate (June 2022) shows an E (score 50), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since July 2012. Between certificates, lighting went from Average to Very Good; while roof efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to C (score 79), a 2-band jump.

Across 1996–2022, sale prices on this property compounded at 7.3% per year. Today's modelled estimate of £1,015,000 is 14% below the 2022 sale of £1,180,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£1,370/sq ft) was about 88.6% above the typical sold price in the postcode. At 80 m² it's 26.3% smaller than the typical home in the postcode (109 m² median across 26 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Most recent transfer: December 2022 at £1,180,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.