AL4 9SL

Windmill Avenue - AL4 9SL

Last updated Jul 2026

Key Postcode Insights

AL4 9SL is a residential postcode situated on Windmill Avenue, St. Albans, AL4 with 18 addresses.

It ranks as the 490th largest and 172nd most expensive of the 748 postcodes in the AL4 area. The most common property type is a mid-century house built between 1936 and 1979.

The postcode contains a total of 18 properties: 17 houses and 1 flat.

Ave. Sale Price
£453,155
10 Year change
up 14.9%
Ave. Rental Price
£1,915pcm
10 Year change
up 48.8%
Ave. £ per ft²
£489/ft²
Ave. Gross Yield
5.1%/year/yr
All figures are subject to T&Cs
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Explore Propertiesin AL4 9SL

House
12 houses
Group
1 flats

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Sales History

The last sale was on 20th April 2023 for £470,000 and since then the market in the area has increased by 1.1%. The postcode has had a total of 18 sales since 1995.

AL4 9SL has seen 1 sale in the last three years and no sales in the last twelve months.

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Nearby Postcodes

AL4 9SL is the 490th largest and the 172nd most expensive postcode out of the 748 postcodes in the AL4 area.

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Property Types

  • 12 mid-century houses built between 1936 and 1979
  • 1 flat of an unknown age
  • 5 other addresses of unknown type
  • mid-century house (12)
  • flat (1)
  • Unknown (5)
Energy Efficiency

Energy Efficiency

  • Energy Performance Certificate (EPC) surveys conducted for 12 properties.
  • The most common rating is D.
  • A (0)
  • E (0)
  • B (1)
  • F (0)
  • C (4)
  • G (0)
  • D (7)
  • No EPC (6)
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Schools Nearby

Schools Nearby

The nearest primary school to AL4 9SL is Skyswood Primary & Nursery School, which is 400 metres away.
  • Skyswood Primary & Nursery School
    400 m away
  • Wheatfields Junior Mixed School
    600 m away
  • Wheatfields Infants' and Nursery School
    600 m away
The nearest secondary school is Sandringham School, which is 300 metres away.
  • Sandringham School
    300 m away
  • Beaumont School
    1.8 km away
  • Verulam School
    2.0 km away
More reading links
Source: Ofsted 2026
Public Transport Nearby

Public Transport Nearby

The closest station to AL4 9SL is St Albans City station, which is 2.9 kilometres away.

  • St Albans City
    |
    2.9 km away
  • St Albans Abbey
    |
    4.0 km away
  • Park Street
    |
    5.7 km away
  • Harpenden
    |
    5.9 km away
Source: National Rail
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