17 Chiltern Gardens, Barnet, London, NW2 1PU

17 Chiltern Gardens is a four-bedroom semi-detached house in Barnet, London, London (NW2 1PU). It has a recorded floor area of 103 m² (around 1109 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (May 2019) shows a C (score 73). When first surveyed in May 2009 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Average, roof efficiency went from Average to Good and window efficiency went from Very Poor to Average. The recommended improvements would push it to B (score 87).

Held since October 2009 — that's 17 years off the open market, well above the local norm. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. Today's modelled estimate of £724,000 sits 133.5% above the 2009 sale of £310,000. On a £-per-square-foot basis, the last sale (£280/sq ft) was about 22.4% below the postcode norm. 3 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 103 m² it's 15.7% larger than the typical home in the postcode (89 m² median across 13 EPCs).