8 Colston Court, West Street, Carshalton, SM5 2QB

8 Colston Court is a two-bedroom mid-terrace house in Carshalton (SM5 2QB). It has a recorded floor area of 66 m² (around 710 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (July 2015) shows an F (score 32), near the bottom of the EPC scale. The rating has held steady at F across 2 certificates since July 2010. Between certificates, lighting went from Average to Good and main heating went from Poor to Average; while window efficiency dropped from Good to Average. The recommended improvements would lift it to C (score 70), a 3-band jump. Main heating runs on electricity. The latest certificate is from July 2015, so improvements made since then won't be reflected. At 66 m² this is the 7th smallest of 9 units on EPC record in the building, where floor areas span 63–73 m². The building's EPC ratings span G to C across 9 units on file.

It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs). Across 2004–2015, sale prices on this property compounded at 5.7% per year. Today's modelled estimate of £298,000 is 22.3% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£343/sq ft) was about 50.9% above the typical sold price in the postcode. Last changed hands 11 years ago, in November 2015.