Our Data Sources
31B, Williamsburg Avenue, Harwich has no records in the Land Registry and a single entry in the EPC database dated February 2025.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 31B, Williamsburg Avenue, Harwich would be worth £243,947, with a potential rental value of £1,198 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £216,068, with a rental value of £1,061 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
31B, Williamsburg Avenue, Harwich has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 14 Feb 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 187 sales of comparable properties within 740 metres of 31B, Williamsburg Avenue, Harwich since 2015.
Most recently, 65, Williamsburg Avenue, Harwich, CO12 4FF, a freehold house, sold at £234,000 on the 15th May 2026.
Read more about house prices in CO12.
- Sold May 2026£234,000 | 3 Bed House65, Williamsburg Avenue, Harwich, CO12 4FF65, Williamsburg Avenue, Harwich, CO12 4FF
- 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 May 2025£255,000 | 3 Bed House20, Ray Avenue, Harwich, CO12 4BA20, Ray Avenue, Harwich, CO12 4BA
- Sold Sep 2024£215,000 | 3 Bed House3, Ray Avenue, Harwich, CO12 4BA3, Ray Avenue, Harwich, CO12 4BA
Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Explore Nearby Properties
The surrounding properties have an average estimated value of £259,568, ranging from £232,331 to £309,471.
- 31A Williamsburg Avenue
3 Bed House | 8 m | Est. Value: £269,108
- 31 Williamsburg Avenue
3 Bed House | 12 m | Est. Value: £232,331
- 1 Frank Wheeler Way
3 Bed House | 18 m | Est. Value: £254,414
- 29 Williamsburg Avenue
4 Bed House | 24 m | Est. Value: £309,471
- 68 Williamsburg Avenue
3 Bed House | 27 m | Est. Value: £235,230
Location Comparison
Our analysis of the public data ranks 31B, Williamsburg Avenue, Harwich as the 81st largest and the 75th most expensive of the 102 addresses on Williamsburg Avenue, Harwich, CO12.
Against the CO12 postcode district average, it is £12k less expensive than the typical property.
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Schools Nearby
- The Mayflower Primary School500 m away
- Spring Meadow Primary School & Nursery600 m away
- All Saints' Church of England Voluntary Aided Primary School, Dovercourt800 m away
- Harwich and Dovercourt High School1.1 km away
- Felixstowe School6.0 km away
- Holbrook Academy9.2 km away
More reading links
Public Transport Nearby
- Harwich International|1.1 km away
- Dovercourt|1.1 km away
- Harwich Town|1.7 km away
Available Internet Speeds
Ofcom's latest figures show poor internet coverage in this area, which may mean weak or no connectivity.
According to recent data from Ofcom, Slow or No Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Low risk of flooding.





