AL9 7NN

AL9 7NNHouse Prices / East of England, Welwyn Hatfield, Nash Close

Last updated May 2026

Key Postcode Insights

AL9 7NN is a residential postcode situated on Nash Close, Welham Green, North Mymms, Hatfield, AL9 with 64 addresses.

It ranks as the 405th largest and 10th most expensive of the 406 postcodes in the AL9 area. The dominant property type is a modern flat built after 1980.

The postcode contains a total of 64 properties: 30 houses and 34 flats.

64
Properties
  • Houses
  • Flats

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House Pricesin AL9 7NN

Sale prices range from £184,000 for 1 bedroom leasehold flats (344 ft2) to £572,467 for 3 bedroom freehold houses with a garden (1,195 ft2) .

Monthly rental prices range from £1,077 pcm for 1 bed flats to £2,745 pcm for 3 bed houses.

The gross rental yield is between 5.8% and 7.2%.

The average value per square foot is £534.

Average Sale Value
£308,522
Average Rental Value
£1,687 pcm
Average Rental Yield
6.6% /year
Average Value Per Sqft
£534 /ft2
Prices last updated 1st May 2026
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Properties and Buildingsin AL9 7NN, Nash Close, Welham Green, North Mymms, Hatfield, AL9

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Sales History
in AL9 7NN

The last sale was on 29th April 2025 for £190,000 and since then the market in the area has increased by 2.2%. The postcode has had a total of 131 sales since 1995.

AL9 7NN has seen 7 sales in the last three years and no sales in the last twelve months.

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Nearby Postcodesto AL9 7NN

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Property Typesin AL9 7NN

  • 13 modern houses built after 1980
  • 28 modern flats built after 1980
  • 1 mid-century house built between 1936 and 1979
  • 4 mid-century flats built between 1936 and 1979
  • 7 houses of an unknown age
  • 1 early-century flat built between 1912 and 1935
  • 10 other addresses of unknown type
  • modern house (13)
  • modern flat (28)
  • mid-century house (1)
  • mid-century flat (4)
  • house (7)
  • early-century flat (1)
  • Unknown (10)
Energy Efficiency

Energy Efficiencyof properties in AL9 7NN

  • Energy Performance Certificate (EPC) surveys conducted for 46 properties.
  • The dominant rating is C.
  • A (0)
  • E (4)
  • B (0)
  • F (0)
  • C (22)
  • G (0)
  • D (20)
  • No EPC (18)
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Schools Nearby

Schools Nearbyto AL9 7NN

The nearest primary school to AL9 7NN is St Mary's Church of England VA Primary School, Welham Green which is 845 metres away.
  • 845
    m
    St Mary's Church of England VA Primary School, Welham Green
  • 1.3
    km
    Brookmans Park Primary School
  • 1.9
    km
    De Havilland Primary School
The nearest secondary school is Chancellor's School which is 2.0 kilometres away.
  • 2.0
    km
    Chancellor's School
  • 2.8
    km
    Bishop's Hatfield Girls' School
  • 2.9
    km
    Onslow St Audrey's School
More reading links
Source: Ofsted 2026
Public Transport Nearby

Public Transport Nearbyto AL9 7NN

The closest station to AL9 7NN is Welham Green station which is 100 metres away.

  • 123
    m
    Welham Green
  • 1.6
    km
    Brookmans Park
  • 3.2
    km
    Hatfield (Herts)
  • 4.4
    km
    Potters Bar
Source: National Rail
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