11a, The Parade, Beynon Road, Carshalton, SM5 3RL

11a is a three-bedroom mid-terrace house in Carshalton (SM5 3RL). It has a recorded floor area of 83 m² (around 893 sq ft) and construction records dating it to 1900-1929. The latest certificate (December 2014) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 68). The latest certificate is from December 2014, so improvements made since then won't be reflected. At 83 m² this is the 22nd smallest of 23 units on EPC record in the building, where floor areas span 37–108 m². The building's EPC ratings span G to B across 23 units on file.

At 83 m² the property is well over the postcode median (49 m² across 22 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 86% of similar EPCs). One planning record on file: new windows approved in 2007. Past consents include new windows, meaningful when judging how the property has evolved. Across 2001–2015, sale prices on this property compounded at 6.2% per year. Today's modelled estimate of £350,000 is 42.3% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£275/sq ft) was about 51% below the postcode norm. On the market in April 2015 and unlisted since — roughly 11 years.