17 Grenville Road, New Addington, Croydon, CR0 0NZ

17 Grenville Road is a two-bedroom semi-detached house in New Addington, Croydon, Croydon (CR0 0NZ). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (June 2018) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since November 2015. Between certificates, roof efficiency went from Good to Very Good; while wall efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 83), a 2-band jump.

Held since June 1996 — that's 30 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £362,000 sits 609.8% above the 1996 sale of £51,000. On a £-per-square-foot basis, the last sale (£79/sq ft) was about 70.1% below the postcode norm. At 60 m² it's 21.1% smaller than the typical home in the postcode (76 m² median across 26 EPCs).