11a, Banstead Road, Carshalton, SM5 3NS

11a is an end-of-terrace house in Carshalton (SM5 3NS). It has a recorded floor area of 89 m² (around 958 sq ft), construction records dating it to 1983-1990 and council tax band C. At 89 m² this is the 12th smallest of 19 units on EPC record in the building, where floor areas span 60–222 m². The building's EPC ratings span F to C, with this unit at the top. The latest certificate (July 2020) shows a C (score 79), near the top of the C band.

Untraded for 19 years, with the last transfer in February 2007. Across the public record there are 4 sales, relatively high churn for a single property. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. One planning record on file: a loft conversion approved in 2004. Past consents include a loft conversion, meaningful when judging how the property has evolved. Its energy rating outperforms most of the postcode (better than 72% of similar EPCs). Across 1997–2007, sale prices on this property compounded at 10.9% per year. Today's modelled estimate of £323,000 is 45.5% above the 2007 sale price.