AL7 3NT

Key Postcode Insights

AL7 3NT is a residential postcode situated on Knella Road, Welwyn Garden City, AL7 with 46 addresses.

It ranks as the 719th largest and 249th most expensive of the 784 postcodes in the AL7 area. The dominant property type is a period house built between 1800 and 1911.

The postcode contains a total of 46 properties: 38 houses and 8 flats.

46
Properties
  • Houses
  • Flats

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House Pricesin AL7 3NT

Sale prices range from £148,618 for studio leasehold flats with a garden (301 ft2) to £437,123 for 4 bedroom freehold houses with a garden (1,065 ft2) .

Monthly rental prices range from £829 pcm for studio flats to £1,882 pcm for 4 bed houses.

The gross rental yield is between 5.1% and 6.7%.

The average value per square foot is £481.

Average Sale Value
£323,419
Average Rental Value
£1,493 pcm
Average Rental Yield
5.5% /year
Average Value Per Sqft
£481 /ft2
Prices last updated 1st May 2026
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Properties and Buildingsin AL7 3NT, Knella Road, Welwyn Garden City, AL7

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Sales History
in AL7 3NT

The last sale was on 21st June 2024 for £355,000 and since then the market in the area has decreased by 3.2%. The postcode has had a total of 26 sales since 1995.

AL7 3NT has seen 1 sale in the last three years and no sales in the last twelve months.

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Nearby Postcodesto AL7 3NT

AL7 3NT is the 719th largest and the 249th most expensive postcode out of the 784 postcodes in the AL7 area.

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Property Typesin AL7 3NT

  • 22 period houses built between 1800 and 1911
  • 8 period flats built between 1800 and 1911
  • 2 mid-century houses built between 1936 and 1979
  • 3 houses of an unknown age
  • 11 other addresses of unknown type
  • period house (22)
  • period flat (8)
  • mid-century house (2)
  • house (3)
  • Unknown (11)
Energy Efficiency

Energy Efficiencyof properties in AL7 3NT

  • Energy Performance Certificate (EPC) surveys conducted for 32 properties.
  • The dominant rating is C.
  • A (0)
  • E (0)
  • B (0)
  • F (0)
  • C (17)
  • G (0)
  • D (15)
  • No EPC (14)
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Schools Nearby

Schools Nearbyto AL7 3NT

The nearest primary school to AL7 3NT is Swallow Dell Primary and Nursery School which is 413 metres away.
  • 413
    m
    Swallow Dell Primary and Nursery School
  • 477
    m
    Panshanger Primary School
  • 764
    m
    Holwell Primary School
The nearest secondary school is Ridgeway Academy which is 651 metres away.
  • 651
    m
    Ridgeway Academy
  • 2.4
    km
    Stanborough School
  • 2.9
    km
    Monk's Walk School
More reading links
Source: Ofsted 2026
Public Transport Nearby

Public Transport Nearbyto AL7 3NT

The closest station to AL7 3NT is Welwyn Garden City station which is 1.2 kilometres away.

  • 1.2
    km
    Welwyn Garden City
  • 2.8
    km
    Welwyn North
  • 4.4
    km
    Hatfield (Herts)
  • 6.5
    km
    Hertford North
Source: National Rail
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