According to data from HM Land Registry, 65, Williamsburg Avenue, Harwich sits on a plot of 210 m².

We have plot size data on 13 out of 38 other houses in the postcode and 65, Williamsburg Avenue, Harwich sits on the 4th largest plot.

65, Williamsburg Avenue, Harwich has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 06 Feb 2026.

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, 65, Williamsburg Avenue, Harwich was last sold on 15th May 2026 for £234,000 and was recorded as a freehold house.

The property has had 3 sales since 1995.

Since May 2026, the market for similar properties has risen by 7.7%.

• Sold May 2026£234,000
• Sold Apr 2020£198,000
• Sold Aug 2010£129,000

According to the Land Registry and our network of Estate Agents, there have been 247 sales of properties similar to 65, Williamsburg Avenue, Harwich within a radius of 730 metres since 2015.

The most recent example is 68, Williamsburg Avenue, Harwich, CO12 4FE, a freehold house which sold for £255,000 on the 17th October 2025.

Read more about house prices in CO12.

• Sold Oct 2025£255,000 | 3 Bed House68, Williamsburg Avenue, Harwich, CO12 4FE68, Williamsburg Avenue, Harwich, CO12 4FE
• Sold Jun 2025£241,500 | 3 Bed House22, Williamsburg Avenue, Harwich, CO12 4FE22, Williamsburg Avenue, Harwich, CO12 4FE
• Sold Feb 2024£195,000 | 3 Bed House4, Jamestown Close, Harwich, CO12 4FG4, Jamestown Close, Harwich, CO12 4FG
• Sold Jun 2023£215,000 | 3 Bed House37, Williamsburg Avenue, Harwich, CO12 4FF37, Williamsburg Avenue, Harwich, CO12 4FF
• Sold Dec 2022£220,000 | 3 Bed House4, Yorktown Close, Harwich, CO12 4FH4, Yorktown Close, Harwich, CO12 4FH
• Sold Oct 2022£275,000 | 3 Bed House32, Williamsburg Avenue, Harwich, CO12 4FE32, Williamsburg Avenue, Harwich, CO12 4FE
• Sold Jun 2022£245,000 | 3 Bed House42, Williamsburg Avenue, Harwich, CO12 4FE42, Williamsburg Avenue, Harwich, CO12 4FE
• Sold Jan 2022£229,995 | 3 Bed House58, Williamsburg Avenue, Harwich, CO12 4FE58, Williamsburg Avenue, Harwich, CO12 4FE
• Sold Dec 2021£240,000 | 3 Bed House32, The Vineway, Harwich, CO12 4BG32, The Vineway, Harwich, CO12 4BG
• Sold Sep 2021£220,000 | 3 Bed House28, Williamsburg Avenue, Harwich, CO12 4FE28, Williamsburg Avenue, Harwich, CO12 4FE
• Sold Jun 2020£203,500 | 3 Bed House2, Jamestown Close, Harwich, CO12 4FG2, Jamestown Close, Harwich, CO12 4FG
• Sold Mar 2020£193,500 | 3 Bed House24, Williamsburg Avenue, Harwich, CO12 4FE24, Williamsburg Avenue, Harwich, CO12 4FE
• Sold Dec 2019£217,000 | 3 Bed House60, Williamsburg Avenue, Harwich, CO12 4FE60, Williamsburg Avenue, Harwich, CO12 4FE
• Sold Feb 2019£217,500 | 3 Bed House51, Williamsburg Avenue, Harwich, CO12 4FF51, Williamsburg Avenue, Harwich, CO12 4FF
• Sold Jan 2019£205,000 | 3 Bed House41, Williamsburg Avenue, Harwich, CO12 4FF41, Williamsburg Avenue, Harwich, CO12 4FF
• Sold Nov 2018£205,000 | 3 Bed House44, Williamsburg Avenue, Harwich, CO12 4FE44, Williamsburg Avenue, Harwich, CO12 4FE
• Sold Oct 2017£135,000 | 3 Bed House20A, Deepdale Road, Harwich, CO12 4BB20A, Deepdale Road, Harwich, CO12 4BB
• Sold Mar 2017£175,000 | 3 Bed House39, Williamsburg Avenue, Harwich, CO12 4FF39, Williamsburg Avenue, Harwich, CO12 4FF
• Sold Feb 2017£184,000 | 3 Bed House96, Williamsburg Avenue, Harwich, CO12 4FE96, Williamsburg Avenue, Harwich, CO12 4FE
• Sold May 2015£140,000 | 3 Bed House26, Williamsburg Avenue, Harwich, CO12 4FE26, Williamsburg Avenue, Harwich, CO12 4FE

Williamsburg Avenue, Harwich, CO12 has a total of 102 addresses. According to our analysis of all the public data, 65, Williamsburg Avenue, Harwich is the 79th largest and the 77th most expensive property on the street.

When compared to the postcode district it is £13k less expensive than the average property in CO12.

• The Mayflower Primary School

  500 m away
• Spring Meadow Primary School & Nursery

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

  800 m away

• Harwich and Dovercourt High School

  1.1 km away
• Felixstowe School

  6.0 km away
• Holbrook Academy

  9.2 km away

• Harwich International

  |

  1.1 km away
• Dovercourt

  |

  1.1 km away
• Harwich Town

  |

  1.7 km away

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