CM20 3JX

CM20 3JXHouse Prices / East of England, Harlow, The Mallories

Last updated May 2026

Key Postcode Insights

CM20 3JX is a residential postcode situated on The Mallories, Harlow, CM20 with 22 addresses.

It ranks as the 229th largest and 27th most expensive of the 474 postcodes in the CM20 area. The dominant property type is a mid-century flat built between 1936 and 1979.

The postcode contains a total of 22 properties: 22 flats.

22
Properties
  • Flats

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House Pricesin CM20 3JX

Sale prices range from £150,751 for 2 bedroom leasehold flats (484 ft2) to £180,354 for 2 bedroom leasehold flats (713 ft2) .

Monthly rental prices range from £981 pcm for 2 bed flats to £1,154 pcm for 2 bed flats.

The gross rental yield is between 7.7% and 7.8%.

The average value per square foot is £294.

Average Sale Value
£161,706
Average Rental Value
£1,046 pcm
Average Rental Yield
7.8% /year
Average Value Per Sqft
£294 /ft2
Prices last updated 1st May 2026
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Sales History
in CM20 3JX

The last sale was on 14th January 2022 for £180,000 and since then the market in the area has increased by 6.1%. The postcode has had a total of 24 sales since 1995.

CM20 3JX has seen no sales in the last three years and no sales in the last twelve months.

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Nearby Postcodesto CM20 3JX

CM20 3JX is the 229th largest and the 27th most expensive postcode out of the 474 postcodes in the CM20 area.

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Property Typesin CM20 3JX

  • 15 mid-century flats built between 1936 and 1979
  • 4 flats of an unknown age
  • 3 other addresses of unknown type
  • mid-century flat (15)
  • flat (4)
  • Unknown (3)
Energy Efficiency

Energy Efficiencyof properties in CM20 3JX

  • Energy Performance Certificate (EPC) surveys conducted for 15 properties.
  • The dominant rating is C.
  • A (0)
  • E (1)
  • B (0)
  • F (0)
  • C (9)
  • G (0)
  • D (5)
  • No EPC (7)
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Schools Nearby

Schools Nearbyto CM20 3JX

The nearest primary school to CM20 3JX is St Alban's Catholic Academy which is 221 metres away.
  • 221
    m
    St Alban's Catholic Academy
  • 394
    m
    Freshwaters Primary Academy
  • 672
    m
    Cooks Spinney Primary Academy and Nursery
The nearest secondary school is Burnt Mill Academy which is 251 metres away.
  • 251
    m
    Burnt Mill Academy
  • 925
    m
    Bmat Stem Academy
  • 1.2
    km
    St Mark's West Essex Catholic School
More reading links
Source: Ofsted 2026
Public Transport Nearby

Public Transport Nearbyto CM20 3JX

The closest station to CM20 3JX is Harlow Town station which is 1.2 kilometres away.

  • 1.2
    km
    Harlow Town
  • 2.3
    km
    Harlow Mill
  • 5.0
    km
    Roydon
  • 5.6
    km
    Sawbridgeworth
Source: National Rail
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