Our Data Sources
9, Castlegate Street, Harwich has 21 entries in the Land Registry, most recently in October 2025 and a single entry in the EPC database dated March 2020.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 9, Castlegate Street, Harwich, we estimate a market value of £196,711 and a rental value of £1,004 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £174,229 and £889 per month respectively.
Energy Efficiency
9, Castlegate Street, Harwich has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 02 Mar 2020.
The property is connected to mains gas and has single glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
The most recent sale of 9, Castlegate Street, Harwich completed on 20th October 2025 at £175,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
Values of comparable properties have risen by 42.6% over the period since October 2025.
- Sold Oct 2025£175,000
- Sold Aug 1997£35,500
Similar Properties Sold Nearby
Since 2015 89 properties similar to 9, Castlegate Street, Harwich have sold within a radius of 1.4 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 20th May 2026, was 49, Albemarle Street, Harwich, CO12 3HN, a freehold house which sold for £208,000.
Read more about house prices in CO12.
- Sold May 2026£208,000 | 4 Bed House49, Albemarle Street, Harwich, CO12 3HN49, Albemarle Street, Harwich, CO12 3HN
- Sold Mar 2026£170,000 | 4 Bed House3, Maria Street, Harwich, CO12 3HT3, Maria Street, Harwich, CO12 3HT
- Sold Jul 2025£210,000 | 4 Bed House19, Pepys Street, Harwich, CO12 3HG19, Pepys Street, Harwich, CO12 3HG
- Sold May 2025£165,000 | 4 Bed House49, Albert Street, Harwich, CO12 3HY49, Albert Street, Harwich, CO12 3HY
- Sold Mar 2025£203,000 | 3 Bed House51, Albemarle Street, Harwich, CO12 3HN51, Albemarle Street, Harwich, CO12 3HN
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £177,164, ranging from £89,868 to £335,018.
- 10 Castlegate Street
3 Bed House | 4 m | Est. Value: £172,222
- 11 Castlegate Street
3 Bed House | 8 m | Est. Value: £143,770
- 7 Kings Quay Street
3 Bed House | 9 m | Est. Value: £160,182
- 8 Kings Quay Street
5 Bed House | 12 m | Est. Value: £223,201
- 11A Castlegate Street
4 Bed House | 17 m | Est. Value: £193,725
Location Comparison
Of the 10 addresses on Castlegate Street, Harwich, CO12, 9, Castlegate Street, Harwich comes out as the 3rd largest and the 3rd most expensive in our analysis of the public data.
It is also £57k less expensive than the average property across the CO12 district.
More reading links
Schools Nearby
- Harwich Community Primary School and Nursery1.0 km away
- The Mayflower Primary School1.6 km away
- St Joseph's Catholic Primary School2.3 km away
- Harwich and Dovercourt High School2.7 km away
- Felixstowe School4.2 km away
- Holbrook Academy10.0 km away
More reading links
Public Transport Nearby
- Harwich Town|400 m away
- Dovercourt|1.1 km away
- Harwich International|2.2 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Low, based on Environment Agency data.





