Flat C, 2 Duckett Road, London, N4 1BN

Flat C is a detached house in London (N4 1BN). It has a recorded floor area of 43 m² (around 463 sq ft) and construction records dating it to 1900-1929. The latest certificate (February 2021) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in December 2008 the rating was F, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Very Poor to Good and main heating went from Very Poor to Good; while lighting dropped from Very Good to Very Poor. The recommended improvements would push it to C (score 75).

Held since April 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 £341,000 sits 731.7% above the 1997 sale of £41,000. On a £-per-square-foot basis, the last sale (£89/sq ft) was about 72.5% below the postcode norm. At 43 m² it sits well below the postcode median (65 m² across 41 EPCs), making it one of the more compact homes locally. One historical planning record sits against the property in 2007.