20 Ashworth Avenue, Chaddesden, Derby, DE21 6PN

20 Ashworth Avenue is a detached house in Chaddesden, Derby, Derby (DE21 6PN). It has a recorded floor area of 72 m² (around 775 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (February 2015) shows a D (score 62), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 88), a 2-band jump. The latest certificate is from February 2015, so improvements made since then won't be reflected.

Held since November 1997 — that's 29 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 £209,000 sits 372% above the 1997 sale of £44,280. On a £-per-square-foot basis, the last sale (£57/sq ft) was about 59.5% below the postcode norm. At 72 m² it's 19.1% smaller than the typical home in the postcode (89 m² median across 12 EPCs).