17 Chilgrove Avenue, Blackrod, Bolton, BL6 5TR

17 Chilgrove Avenue is a one-bedroom semi-detached house in Blackrod, Bolton, Bolton (BL6 5TR). It has a recorded floor area of 25 m² (around 269 sq ft), construction records dating it to 1967-1975 and council tax band A. The latest certificate (June 2019) shows a D (score 57), a step below the typical UK home. The rating has held steady at D across 2 certificates since January 2009. Between certificates, lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Poor and window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 77). Main heating runs on electricity. At 25 m² this is the 3rd smallest of 19 units on EPC record in the building, where floor areas span 24–184 m². The building's EPC ratings span E to C across 19 units on file.

Untraded for 29 years, with the last transfer in May 1997. Across 1995–1997, sale prices on this property compounded at 4.9% per year. Today's modelled estimate of £107,000 sits 791.7% above the 1997 sale of £12,000. On a £-per-square-foot basis, the last sale (£45/sq ft) was about 32.4% below the postcode norm. At 25 m² it sits well below the postcode median (43 m² across 18 EPCs), making it one of the more compact homes locally.