15 Cavendish Avenue, Sheffield, S17 3NJ

15 Cavendish Avenue is a six-bedroom detached house in Sheffield (S17 3NJ). It has a recorded floor area of 285 m² (around 3064 sq ft), construction records dating it to 1900-1929 and council tax band H. The latest certificate (January 2012) shows an E (score 42), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since July 2011. Between certificates, roof efficiency went from Average to Good and window efficiency went from Poor to Average. The recommended improvements would push it to D (score 63). The latest certificate is from January 2012, so improvements made since then won't be reflected. Period features are noted in the property record.

3 planning records sit against the property, 3 approved, 0 refused. Past consents include an extension and an annexe, meaningful when judging how the property has evolved. At 285 m² it's 17.6% larger than the typical home in the postcode (242 m² median across 23 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 87% of similar EPCs). Today's modelled estimate of £1,214,000 is 38.7% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£286/sq ft) was about 21.4% above the typical sold price in the postcode. Last sold in March 2017, so it's been off the market for around 9 years.