Our Data Sources
21, Duke Street, Seaham has no records in the the Land Registry and a single entry in the EPC database dated October 2013.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
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 21, Duke Street, Seaham, we estimate a market value of £159,966 and a rental value of £1,040 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £141,684 and £922 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, Duke Street, Seaham as measuring 116 m2.
That makes it the 18th largest plot in the postcode, where all 26 other houses have recorded plot data.
Energy Efficiency
21, Duke Street, Seaham has an Energy Performance Rating (EPC) of F. This is based on the most recent assessment, dated 30 Oct 2013.
The property is not connected to mains gas and has single glazeddouble glazing. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
Over the past 2 years 6 properties similar to 21, Duke Street, Seaham have sold within a radius of 650 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 18th November 2025, was 6, Duke Street, Seaham, SR7 0DQ, a freehold house which sold for £176,000.
Read more about house prices in SR7.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 31 addresses on Duke Street, Seaham, SR7, 21, Duke Street, Seaham comes out as the 3rd largest and the 4th most expensive in our analysis of the public data.
It is also £13k more expensive than the average property across the SR7 district.
More reading links
Schools Nearby
- New Seaham Academy900 m away
- St Cuthbert's Catholic Primary School, Seaham900 m away
- Seaview Primary School900 m away
- Seaham High School600 m away
- Venerable Bede Church of England Academy4.3 km away
- Southmoor Academy5.7 km away
More reading links
Public Transport Nearby
- Seaham|1.0 km away
- Sunderland|7.4 km away
- Horden|9.5 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
