7, Williamsburg Avenue, Harwich has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 18 Mar 2021.

The property is not connected to mains gas and has high performance glazing. It is heated using a boiler and radiators (mains gas).

According to the Land Registry and our network of Estate Agents, there have been 203 sales of properties similar to 7, Williamsburg Avenue, Harwich within a radius of 740 metres since 2009.

The most recent example is 51, The Vineway, Harwich, CO12 4BG, a freehold house which sold for £300,000 on the 24th April 2026.

Read more about house prices in CO12.

• Sold Apr 2026£300,000 | 4 Bed House51, The Vineway, Harwich, CO12 4BG51, The Vineway, Harwich, CO12 4BG
• Sold Nov 2025£240,000 | 3 Bed House57, Williamsburg Avenue, Harwich, CO12 4FF57, Williamsburg Avenue, Harwich, CO12 4FF
• Sold Oct 2025£257,000 | 3 Bed House47, Williamsburg Avenue, Harwich, CO12 4FF47, Williamsburg Avenue, Harwich, CO12 4FF
• Sold Aug 2025£250,000 | 3 Bed House86, Williamsburg Avenue, Harwich, CO12 4FE86, Williamsburg Avenue, Harwich, CO12 4FE
• Sold Jun 2025£227,500 | 3 Bed House78, Williamsburg Avenue, Harwich, CO12 4FE78, Williamsburg Avenue, Harwich, CO12 4FE
• Sold Feb 2025£245,000 | 3 Bed House56, Williamsburg Avenue, Harwich, CO12 4FE56, Williamsburg Avenue, Harwich, CO12 4FE
• Sold Apr 2024£285,000 | 3 Bed House44A, Clarkes Road, Harwich, CO12 4JX44A, Clarkes Road, Harwich, CO12 4JX
• Sold Sep 2023£250,000 | 4 Bed House61, The Vineway, Harwich, CO12 4BG61, The Vineway, Harwich, CO12 4BG
• Sold Jul 2022£150,000 | 4 Bed House66, Williamsburg Avenue, Harwich, CO12 4FE66, Williamsburg Avenue, Harwich, CO12 4FE
• Sold May 2022£247,000 | 3 Bed House53, Williamsburg Avenue, Harwich, CO12 4FF53, Williamsburg Avenue, Harwich, CO12 4FF
• Sold Sep 2021£235,000 | 3 Bed House74, Williamsburg Avenue, Harwich, CO12 4FE74, Williamsburg Avenue, Harwich, CO12 4FE
• Sold Aug 2021£207,500 | 3 Bed House76, Williamsburg Avenue, Harwich, CO12 4FE76, Williamsburg Avenue, Harwich, CO12 4FE
• Sold Apr 2021£207,500 | 3 Bed House106, Williamsburg Avenue, Harwich, CO12 4FE106, Williamsburg Avenue, Harwich, CO12 4FE
• Sold Mar 2021£222,000 | 3 Bed House8, Jamestown Close, Harwich, CO12 4FG8, Jamestown Close, Harwich, CO12 4FG
• Sold Jun 2020£203,500 | 3 Bed House2, Jamestown Close, Harwich, CO12 4FG2, Jamestown Close, Harwich, CO12 4FG
• Sold Sep 2019£225,000 | 3 Bed House59, Williamsburg Avenue, Harwich, CO12 4FF59, Williamsburg Avenue, Harwich, CO12 4FF
• Sold Oct 2016£200,000 | 3 Bed House110, Williamsburg Avenue, Harwich, CO12 4FE110, Williamsburg Avenue, Harwich, CO12 4FE
• Sold Jun 2016£193,000 | 4 Bed House70, Williamsburg Avenue, Harwich, CO12 4FE70, Williamsburg Avenue, Harwich, CO12 4FE
• Sold Nov 2012£135,000 | 3 Bed House46, Williamsburg Avenue, Harwich, CO12 4FE46, Williamsburg Avenue, Harwich, CO12 4FE
• Sold Sep 2009£142,000 | 3 Bed House20, Williamsburg Avenue, Harwich, CO12 4FE20, Williamsburg Avenue, Harwich, CO12 4FE

Williamsburg Avenue, Harwich, CO12 has a total of 102 addresses. According to our analysis of all the public data, 7, Williamsburg Avenue, Harwich is the 7th largest and the 7th most expensive property on the street.

When compared to the postcode district it is £30k more 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.