43 Napsbury Lane, St Albans, AL1 1DU

43 Napsbury Lane is a three-bedroom detached house in St Albans (AL1 1DU). It has a recorded floor area of 129 m² (around 1389 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (August 2025) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in September 2015 the rating was E, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Good to Very Good and lighting went from Average to Good; while window efficiency dropped from Average to Poor and hot-water efficiency dropped from Good to Average. The recommended improvements would push it to C (score 77).

Held since November 2000 — that's 26 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 £1,102,000 sits 229% above the 2000 sale of £335,000. On a £-per-square-foot basis, the last sale (£241/sq ft) was about 15.5% below the postcode norm. At 129 m² it's 15.1% smaller than the typical home in the postcode (152 m² median across 18 EPCs).