27 Napsbury Lane is a four-bedroom detached house in St Albans (AL1 1DU). It has a recorded floor area of 122 m² (around 1313 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (June 2018) shows an E (score 52), well below the UK norm with real room to improve. When first surveyed in October 2008 the rating was F, the property has climbed 1 band since. Between certificates, wall efficiency dropped from Good to Very Poor and roof efficiency dropped from Good to Very Poor. The recommended improvements would lift it to C (score 74), a 2-band jump. The property has an EV charger on record, all of which lower running costs and tend to lift resale appeal. Other recorded features include outbuildings. It has already been extended once and our model flags further extension potential, a sign of buyer flexibility. The home occupies a corner plot.
Sale prices here have outpaced St Albans HPI: 7.6% per year against 0% for the wider region. Today's modelled estimate of £1,069,000 is 20.4% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£676/sq ft) was about 148.8% above the typical sold price in the postcode. Last sale on file: £888,000 in April 2024. Across the public record there are 4 sales, relatively high churn for a single property. At 122 m² it's 19.7% smaller than the typical home in the postcode (152 m² median across 18 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 72% of similar EPCs). 4 planning records sit against the property, 1 approved, 0 refused.
27 Napsbury Lane's carbon output runs well above what efficient homes in the postcode produce.
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
Extension: Single storey · Side of property
Replacement and extension of roof with front and rear dormer windows and side roof lights, single storey side extension and new side window
Sale price has at least doubled since 2012.
£1,069,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.6% per year over 12 years.
£888,000
Growth on file: 7.6% per year over 12 years.
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Price per m² for 27 Napsbury Lane runs comfortably ahead of the street norm.
Price per m²
£7,279
Street avg £3,740
Floor Area
122 m²
Street avg 164 m²
Habitable Rooms
5 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
Low energy lighting percentage decreased
Certificate of lawfulness (proposed) - Outbuilding to rear garden
Full planning data for 27 Napsbury Lane, St Albans, AL1 1DU
2 more on this property, plus every nearby application and full decision details, in the report.
5 April 2024Most recent
£888,000
+15.3%over 2 years26 August 2021
£770,000
+6.2%over 2 years29 November 2018
£725,000
+95.9%over 6 years20 April 2012
£370,000
Median price across the last 5 sales in AL1 1DU: £835,000 (2023–2022).
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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Street avg 6 rooms
CO₂ Emissions
7.1 t/year
Street avg 6.7 t/year
AL1 1SZ
Closest school
0.9 km
Samuel Ryder Academy. 26 schools nearby.