13 Sylvester Avenue, Chislehurst, BR7 5ED

13 Sylvester Avenue is a six-bedroom detached house in Chislehurst (BR7 5ED). It has a recorded floor area of 284 m² (around 3057 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (September 2016) shows an E (score 53), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since January 2014. Between certificates, window efficiency went from Very Poor to Good and lighting went from Very Poor to Very Good. The recommended improvements would lift it to C (score 71), a 2-band jump.

At 284 m² the property is well over the postcode median (137 m² across 9 EPCs), placing it in the larger end of the local stock. 6 bedrooms is on the larger side for this postcode, where 5 is the typical count. One planning record on file: an extension approved in 2014. Past consents include an extension, meaningful when judging how the property has evolved. Across 2014–2016, sale prices on this property compounded at 30.7% per year. Today's modelled estimate of £1,549,000 is 28% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£396/sq ft) was about 21.7% below the postcode norm. 10 years since the last transfer (February 2016).