Flat 4, 99 Stanley Road, Carshalton, SM5 4LB

Flat 4 is a two-bedroom end-of-terrace house in Carshalton (SM5 4LB). It has a recorded floor area of 61 m² (around 652 sq ft), construction records dating it to 1976-1982 and council tax band C. At 61 m² this is the largest unit on EPC record across the building (55–61 m²). The building's EPC ratings span F to C, with this unit at the bottom. On EPC score it ranks last in the building (29 versus a best of 80). Our model identifies extension potential, subject to local planning policy. The latest certificate (October 2011) shows an F (score 29), near the bottom of the EPC scale. The recommended improvements would push it to E (score 46). Main heating runs on to be used only when there is no heating/hot. The latest certificate is from October 2011, so improvements made since then won't be reflected.

At 61 m² it's 23.7% larger than the typical home in the postcode (49 m² median across 11 EPCs). On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. On the market in October 2016 and unlisted since — roughly 10 years. Across the public record there are 4 sales, relatively high churn for a single property. Across 1997–2016, sale prices on this property compounded at 8.3% per year. Today's modelled estimate of £287,000 is 12.5% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£391/sq ft) was about 62.1% above the typical sold price in the postcode.