First Floor Flat, 14 Elsworthy Road, London, NW3 3DJ

First Floor Flat is a mid-terrace house in London (NW3 3DJ). It has a recorded floor area of 143 m² (around 1539 sq ft) and construction records dating it to 1900-1929. The latest certificate (June 2020) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in February 2009 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good and main heating went from Average to Good; while wall efficiency dropped from Poor to Very Poor. The recommended improvements would push it to C (score 78).

It hasn't traded since April 2000, a hold of 26 years that's notably long for the area. 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 £1,223,000 sits 1123% above the 2000 sale of £100,000. On a £-per-square-foot basis, the last sale (£65/sq ft) was about 95.8% below the postcode norm. One planning record on file: new windows approved in 2018. Past consents include new windows, meaningful when judging how the property has evolved. At 143 m² it's 29.5% larger than the typical home in the postcode (110 m² median across 11 EPCs).