15 Cowper Avenue, Sutton, SM1 3RD

15 Cowper Avenue is a two-bedroom end-of-terrace house in Sutton (SM1 3RD). It has a recorded floor area of 78 m² (around 840 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (April 2018) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2015. Between certificates, roof efficiency went from Poor to Good; while lighting dropped from Very Good to Average. The recommended improvements would lift it to B (score 87), a 2-band jump.

Last sale on file: £397,500 in August 2018. Across the public record there are 5 sales, relatively high churn for a single property. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. Across 1996–2018, sale prices on this property compounded at 8.4% per year. Today's modelled estimate of £470,000 is 18.2% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£473/sq ft) was about 79% above the typical sold price in the postcode.