According to data from HM Land Registry, 18, Seafield Road, Harwich sits on a plot of 473 m².

We have plot size data on 40 out of 48 other houses in the postcode and 18, Seafield Road, Harwich sits on the 17th largest plot.

18, Seafield Road, Harwich has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 14 Mar 2015.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 18, Seafield Road, Harwich was last sold on 19th March 2021 for £330,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since March 2021, the market for similar properties has dropped by 9.3%.

• Sold Mar 2021£330,000
• Sold Jul 2015£230,000

According to the Land Registry and our network of Estate Agents, there have been 91 sales of properties similar to 18, Seafield Road, Harwich within a radius of 690 metres since 2011.

The most recent example is 12, Kreswell Grove, Harwich, CO12 3SZ, a freehold house which sold for £390,000 on the 9th January 2026.

Read more about house prices in CO12.

• Sold Jan 2026£390,000 | 3 Bed House12, Kreswell Grove, Harwich, CO12 3SZ12, Kreswell Grove, Harwich, CO12 3SZ
• Sold Oct 2025£318,000 | 3 Bed House16, Kreswell Grove, Harwich, CO12 3SZ16, Kreswell Grove, Harwich, CO12 3SZ
• Sold Sep 2025£350,000 | 3 Bed House10, The Drive, Harwich, CO12 3SU10, The Drive, Harwich, CO12 3SU
• Sold Aug 2025£400,000 | 3 Bed House38, Seafield Road, Harwich, CO12 4EH38, Seafield Road, Harwich, CO12 4EH
• Sold Mar 2025£335,000 | 3 Bed House27, The Drive, Harwich, CO12 3SU27, The Drive, Harwich, CO12 3SU
• Sold Mar 2024£345,000 | 3 Bed House2, Fronks Avenue, Harwich, CO12 3RX2, Fronks Avenue, Harwich, CO12 3RX
• Sold Oct 2022£420,000 | 3 Bed House22, Seafield Road, Harwich, CO12 4EH22, Seafield Road, Harwich, CO12 4EH
• Sold Oct 2022£400,000 | 3 Bed House15, Seafield Road, Harwich, CO12 4EH15, Seafield Road, Harwich, CO12 4EH
• Sold Jul 2022£350,000 | 3 Bed House14, Richmond Crescent, Harwich, CO12 3TP14, Richmond Crescent, Harwich, CO12 3TP
• Sold May 2022£365,000 | 3 Bed House21, Seafield Road, Harwich, CO12 4EH21, Seafield Road, Harwich, CO12 4EH
• Sold Aug 2021£290,000 | 3 Bed House28, Seafield Road, Harwich, CO12 4EH28, Seafield Road, Harwich, CO12 4EH
• Sold Dec 2020£385,000 | 3 Bed House37, The Drive, Harwich, CO12 3SU37, The Drive, Harwich, CO12 3SU
• Sold May 2017£317,000 | 3 Bed House16, Seafield Road, Harwich, CO12 4EH16, Seafield Road, Harwich, CO12 4EH
• Sold Jan 2017£270,000 | 3 Bed House36, The Drive, Harwich, CO12 3SU36, The Drive, Harwich, CO12 3SU
• Sold Dec 2016£185,000 | 3 Bed House17, Seafield Road, Harwich, CO12 4EH17, Seafield Road, Harwich, CO12 4EH
• Sold Jan 2016£240,000 | 3 Bed House19, Seafield Road, Harwich, CO12 4EH19, Seafield Road, Harwich, CO12 4EH
• Sold Nov 2015£247,000 | 3 Bed House23, The Drive, Harwich, CO12 3SU23, The Drive, Harwich, CO12 3SU
• Sold Jun 2014£188,000 | 3 Bed House20, Seafield Road, Harwich, CO12 4EH20, Seafield Road, Harwich, CO12 4EH
• Sold Oct 2012£216,000 | 3 Bed House15, The Drive, Harwich, CO12 3SU15, The Drive, Harwich, CO12 3SU
• Sold Jun 2011£217,500 | 3 Bed House29, Seafield Road, Harwich, CO12 4EH29, Seafield Road, Harwich, CO12 4EH

Seafield Road, Harwich, CO12 has a total of 48 addresses. According to our analysis of all the public data, 18, Seafield Road, Harwich is the 35th largest and the 35th most expensive property on the street.

When compared to the postcode district it is £120k more expensive than the average property in CO12.

• St Joseph's Catholic Primary School

  100 m away
• The Mayflower Primary School

  700 m away
• All Saints' Church of England Voluntary Aided Primary School, Dovercourt

  1.0 km away

• Harwich and Dovercourt High School

  600 m away
• Felixstowe School

  6.4 km away
• Lift Tendring

  9.8 km away

• Dovercourt

  |

  1.2 km away
• Harwich Town

  |

  1.9 km away
• Harwich International

  |

  2.2 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.