CO12 3DY

Market Street - CO12 3DY

Last updated Jul 2026

Key Postcode Insights

CO12 3DY is a residential postcode situated on Market Street, Harwich, CO12 with 12 addresses.

It ranks as the 245th largest and 97th most expensive of the 603 postcodes in the CO12 area. The most common property type is a early-century flat built between 1912 and 1935.

The postcode contains a total of 12 properties: 4 houses and 8 flats.

Ave. Sale Price
£173,128
10 Year change
up 33.8%
Ave. Rental Price
£849pcm
10 Year change
up 45.8%
Ave. £ per ft²
£200/ft²
Ave. Gross Yield
5.9%/year/yr
All figures are subject to T&Cs
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Explore Propertiesin CO12 3DY

House
2 houses
Group
5 flats

Our partners and
data sources

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Sales History

The last sale was on 27th August 2021 for £212,500 and since then the market in the area has increased by 4.0%. The postcode has had a total of 13 sales since 1995.

CO12 3DY has seen no sales in the last three years and no sales in the last twelve months.

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Nearby Postcodes

CO12 3DY is the 245th largest and the 97th most expensive postcode out of the 603 postcodes in the CO12 area.

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Property Types

  • 1 mid-century house built between 1936 and 1979
  • 2 mid-century flats built between 1936 and 1979
  • 1 early-century house built between 1912 and 1935
  • 3 early-century flats built between 1912 and 1935
  • 5 other addresses of unknown type
  • mid-century house (1)
  • mid-century flat (2)
  • early-century house (1)
  • early-century flat (3)
  • Unknown (5)
Energy Efficiency

Energy Efficiency

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

Schools Nearby

The nearest primary school to CO12 3DY is Harwich Community Primary School and Nursery, which is 900 metres away.
  • Harwich Community Primary School and Nursery
    900 m away
  • The Mayflower Primary School
    1.6 km away
  • St Joseph's Catholic Primary School
    2.3 km away
The nearest secondary school is Harwich and Dovercourt High School, which is 2.6 kilometres away.
  • Harwich and Dovercourt High School
    2.6 km away
  • Felixstowe School
    4.2 km away
  • Holbrook Academy
    10.1 km away
More reading links
Source: Ofsted 2026
Public Transport Nearby

Public Transport Nearby

The closest station to CO12 3DY is Harwich Town station, which is 300 metres away.

  • Harwich Town
    |
    300 m away
  • Dovercourt
    |
    1.0 km away
  • Harwich International
    |
    2.2 km away
  • Trimley
    |
    3.9 km away
Source: National Rail
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