Flat 1, 2 Gardnor Road, London, NW3 1HA

Flat 1 is a detached house in London (NW3 1HA). It has a recorded floor area of 67 m² (around 722 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (January 2012) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since December 2008. Between certificates, window efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 69). The latest certificate is from January 2012, so improvements made since then won't be reflected.

Held since March 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 £628,000 sits 222.1% above the 1997 sale of £195,000. On a £-per-square-foot basis, the last sale (£270/sq ft) was about 66.2% below the postcode norm. 3 planning records sit against the property, 2 approved, 1 refused. Past consents include an extension and new windows, meaningful when judging how the property has evolved. At 67 m² it's 18.2% smaller than the typical home in the postcode (82 m² median across 25 EPCs).