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).
No planning applications are recorded against 43 Napsbury Lane, St Albans, AL1 1DU. The full report also covers planning activity across the surrounding area.
Full planning data for 43 Napsbury Lane, St Albans, AL1 1DU
Every application and decision on this property and nearby, in full, in the report.
43 Napsbury Lane's estimated value is more than triple its earliest registered sale price (2000).
£1,102,000
Modelled from EPC, postcode comparables.
£335,000
Recorded with HM Land Registry.
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On habitable rooms, 43 Napsbury Lane stands well clear of the street.
Price per m²
£2,597
Street avg £4,015
Floor Area
129 m²
Street avg 164 m²
Habitable Rooms
8 rooms
Street avg 6 rooms
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.6 km
Birklands Park — bus stop.
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Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system changed
Windows upgraded, improving insulation
Wall insulation improved
Roof insulation improved
More low energy lighting installed
24 November 2000Most recent
£335,000
Median price across the last 5 sales in AL1 1DU: £888,000 (2024–2022).
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
Comparable sales data
Plus transport, crime, schools and air quality
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CO₂ Emissions
5.3 t/year
Street avg 6.8 t/year
AL1 1JW
Closest school
0.9 km
Samuel Ryder Academy. 26 schools nearby.