109a, St Georges Road, London, SE1 6HY

109a is a two-bedroom detached house in London (SE1 6HY). It has a recorded floor area of 91 m² (around 974 sq ft), construction records dating it to 1900-1929 and council tax band C. At 91 m² this is the largest unit on EPC record across the building (39–91 m²). The building's EPC ratings span E to C, with this unit at the bottom. The latest certificate (February 2010) shows an E (score 47), well below the UK norm with real room to improve. The latest certificate is from February 2010, so improvements made since then won't be reflected.

It hasn't traded since March 2011, a hold of 15 years that's notably long for the area. At 91 m² it's 25.7% larger than the typical home in the postcode (72 m² median across 25 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 2002–2011, sale prices on this property compounded at 13.6% per year. Today's modelled estimate of £638,000 is 45% above the 2011 sale price. On a £-per-square-foot basis, the last sale (£452/sq ft) was about 18.8% above the typical sold price in the postcode.