27 Napsbury Lane, St Albans, AL1 1DU
About 27 Napsbury Lane
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.
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). Across 2012–2024, sale prices on this property compounded at 7.6% per year. 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. 4 planning records sit against the property, 1 approved, 0 refused.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- EnsuiteYes
Outside
- Private gardenRear
- ParkingOff street
- OutbuildingsYes
- Corner plotYes
Building
- EV chargerYes
- Previously extendedYes
- Extension potentialPossible
Everything you need to know about 27 Napsbury Lane
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
27 Napsbury Lane's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Low energy lighting percentage decreased
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once, has solid (non-cavity) walls, and has permanent outbuildings, we believe a Level 3 building survey should be considered.
From £1,645 · Includes VAT
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
4 applications on record at 27 Napsbury Lane, St Albans, AL1 1DU
- Oct 2012Garage ConversionFullOutcome in report
Extension: Single storey · Rear of property
Demolition of existing conservatory and construction of single storey rear extension, garage conversion and replacement of flat roof with pitched roof and erection of raised decking to rear
ExtensionDemolition- Documents
- 15 docs on file
- Reference
- 5/2012/2344
- More recent applications — locked
- ExtensionJan 2022Decision
- OutbuildingJan 2022Decision
+ 1 more application in the report
Unlock 27 Napsbury Lane, St Albans, AL1 1DU's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (4 on record)
- All 4 applications on this property in full, plus 5 notable nearby
- The 45 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
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.
Sales timeline
4 April 2024Most recent
£888,000
+15.3%over 2 years25 August 2021
£770,000
+6.2%over 2 years29 November 2018
£725,000
+95.9%over 6 years19 April 2012
£370,000
Median price across the last 5 sales in AL1 1DU: £835,000 (2023–2022).
Nearby sales in AL1 1DU
Versus other Napsbury Lane homes
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
Street avg 6 rooms
CO₂ Emissions
7.1 t/year
Street avg 6.7 t/year
Everything you need to know about 27 Napsbury Lane
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee

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The neighbourhood at a glance
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.6 km
Birklands Park — bus stop.
Closest school
0.9 km
Samuel Ryder Academy. 26 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.









