12 The Maisonettes, Alberta Avenue, Cheam, Sutton, SM1 2LQ

12 The Maisonettes is a two-bedroom mid-terrace house in Cheam, Sutton, Sutton (SM1 2LQ). It has a recorded floor area of 55 m² (around 592 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (October 2018) shows an E (score 54), well below the UK norm with real room to improve. When first surveyed in January 2013 the rating was F, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good and main heating went from Poor to Good; while lighting dropped from Very Good to Average. The recommended improvements would push it to D (score 61). At 55 m² this is the 24th smallest of 31 units on EPC record in the building, where floor areas span 43–58 m². The building's EPC ratings span E to C, with this unit at the bottom.

Most recent transfer: April 2019 at £267,500. Across the public record there are 4 sales, relatively high churn for a single property. It lags the bulk of the postcode on energy efficiency (less efficient than 87% of similar EPCs). Across 1997–2019, sale prices on this property compounded at 8% per year. Today's modelled estimate of £297,000 is 11% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£452/sq ft) was about 68.6% above the typical sold price in the postcode.