AL7 3DU

Key Postcode Insights

AL7 3DU is a residential postcode situated on Sweet Briar, Welwyn Garden City, AL7 with 31 addresses.

It ranks as the 617th largest and 596th most expensive of the 784 postcodes in the AL7 area. The dominant property type is a mid-century house built between 1936 and 1979.

The postcode contains a total of 31 properties: 31 houses.

31
Properties
  • Houses

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House Pricesin AL7 3DU

Sale prices range from £290,928 for 2 bedroom freehold houses with a garden (449 ft2) to £522,685 for 4 bedroom freehold houses with a garden (1,237 ft2) .

Monthly rental prices range from £1,221 pcm for 2 bed houses to £1,994 pcm for 4 bed houses.

The gross rental yield is between 4.6% and 5.0%.

The average value per square foot is £463.

Average Sale Value
£434,664
Average Rental Value
£1,745 pcm
Average Rental Yield
4.8% /year
Average Value Per Sqft
£463 /ft2
Prices last updated 1st May 2026
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Explore Propertiesin AL7 3DU, Sweet Briar, Welwyn Garden City, AL7

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Sales History
in AL7 3DU

The last sale was on 30th January 2026 for £517,000 and since then the market in the area has decreased by 1.1%. The postcode has had a total of 33 sales since 1995.

AL7 3DU has seen 4 sales in the last three years and 1 sale in the last twelve months.

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Nearby Postcodesto AL7 3DU

AL7 3DU is the 617th largest and the 596th most expensive postcode out of the 784 postcodes in the AL7 area.

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Property Typesin AL7 3DU

  • 22 mid-century houses built between 1936 and 1979
  • 2 houses of an unknown age
  • 7 other addresses of unknown type
  • mid-century house (22)
  • house (2)
  • Unknown (7)
Energy Efficiency

Energy Efficiencyof properties in AL7 3DU

  • Energy Performance Certificate (EPC) surveys conducted for 22 properties.
  • The dominant rating is C.
  • A (0)
  • E (2)
  • B (0)
  • F (0)
  • C (12)
  • G (0)
  • D (8)
  • No EPC (9)
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Schools Nearby

Schools Nearbyto AL7 3DU

The nearest primary school to AL7 3DU is Swallow Dell Primary and Nursery School which is 270 metres away.
  • 270
    m
    Swallow Dell Primary and Nursery School
  • 742
    m
    Watchlytes Primary School
  • 863
    m
    Panshanger Primary School
The nearest secondary school is Ridgeway Academy which is 891 metres away.
  • 891
    m
    Ridgeway Academy
  • 2.6
    km
    Stanborough School
  • 3.5
    km
    Monk's Walk School
More reading links
Source: Ofsted 2026
Public Transport Nearby

Public Transport Nearbyto AL7 3DU

The closest station to AL7 3DU is Welwyn Garden City station which is 1.7 kilometres away.

  • 1.7
    km
    Welwyn Garden City
  • 3.3
    km
    Welwyn North
  • 4.1
    km
    Hatfield (Herts)
  • 6.2
    km
    Hertford North
Source: National Rail
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