Mardley Dell

Mardley DellHouse Prices / East of England, Welwyn Hatfield

Last updated Jun 2026

Key Street Insights

Mardley Dell is a residential street with 16 addresses.

It ranks as the 151st largest and 165th most expensive of the 261 streets in the AL6 area. The dominant property type is a modern house built after 1980.

The street contains a total of 16 properties: 16 houses.

16
Properties
  • Houses

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House Priceson Mardley Dell

Sale prices range from £847,910 for 4 bedroom freehold houses with a garden (1,474 ft2) to £1,267,433 for 5 bedroom freehold houses with a garden (2,425 ft2) .

Monthly rental prices range from £2,671 pcm for 4 bed houses to £3,632 pcm for 5 bed houses.

The gross rental yield is between 3.4% and 4.2%.

The average value per square foot is £541.

Average Sale Value
£940,556
Average Rental Value
£2,885 pcm
Average Rental Yield
3.7% /year
Average Value Per Sqft
£541 /ft2
Prices last updated 1st June 2026
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Sales History
on Mardley Dell, Welwyn, AL6

The last sale was on 24th June 2021 for £900,000 and since then the market in the area has increased by 6.3%. The street has had a total of 16 sales since 1995.

Mardley Dell, Welwyn, AL6 has seen no sales in the last three years and no sales in the last twelve months.

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Nearby Streetsto Mardley Dell, Welwyn, AL6

Mardley Dell, Welwyn, AL6 is the 151st largest and the 165th most expensive street in the AL6 area.

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Postcodeson Mardley Dell, Welwyn, AL6

There is 1 postcode on Mardley Dell, Welwyn, AL6.

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Property Typesin Mardley Dell

  • 6 modern houses built after 1980
  • 2 mid-century houses built between 1936 and 1979
  • 1 house of an unknown age
  • 7 other addresses of unknown type
  • modern house (6)
  • mid-century house (2)
  • house (1)
  • Unknown (7)
Energy Efficiency

Energy Efficiencyof properties on Mardley Dell

  • Energy Performance Certificate (EPC) surveys conducted for 8 properties.
  • The dominant rating is C.
  • A (0)
  • E (0)
  • B (0)
  • F (0)
  • C (4)
  • G (0)
  • D (4)
  • No EPC (8)
Schools Nearby

Schools Nearby

The nearest primary school to Mardley Dell, Welwyn, AL6 is St Michael's Woolmer Green CofE VA Primary School, which is 500 metres away.
  • 500
    m
    St Michael's Woolmer Green CofE VA Primary School
  • 1.0
    km
    Oaklands Primary School
  • 1.9
    km
    Knebworth Primary and Nursery School
The nearest secondary school is Monk's Walk School, which is 3.5 kilometres away.
  • 3.5
    km
    Monk's Walk School
  • 4.8
    km
    Barnwell School
  • 5.1
    km
    Ridgeway Academy
More reading links
Source: Ofsted 2026
Public Transport Nearby

Public Transport Nearby

The closest station to Mardley Dell, Welwyn, AL6 is Knebworth station, which is 2.1 kilometres away.

  • 2.1
    km
    Knebworth
  • 2.7
    km
    Welwyn North
  • 4.7
    km
    Watton-at-Stone
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