Our Data Sources
8, Portland Avenue, Seaham has no records in the the Land Registry and a single entry in the EPC database dated July 2023.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low 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 8, Portland Avenue, Seaham, we estimate a market value of £145,018 and a rental value of £966 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £128,444 and £856 per month respectively.
Energy Efficiency
8, Portland Avenue, Seaham has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 17 Jul 2023.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
Over the past 2 years 84 properties similar to 8, Portland Avenue, Seaham have sold within a radius of 570 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 20th April 2026, was 57, Cheviot Gardens, Seaham, SR7 0BY, a freehold house which sold for £148,500.
Read more about house prices in SR7.
- Sold Apr 2026£148,500 | 3 Bed House57, Cheviot Gardens, Seaham, SR7 0BY57, Cheviot Gardens, Seaham, SR7 0BY
- Sold May 2024£145,000 | 3 Bed House4, Portland Avenue, Seaham, SR7 8BX4, Portland Avenue, Seaham, SR7 8BX
- Sold Oct 2021£145,000 | 3 Bed House56, Cheviot Gardens, Seaham, SR7 0BY56, Cheviot Gardens, Seaham, SR7 0BY
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Of the 64 addresses on Portland Avenue, Seaham, SR7, 8, Portland Avenue, Seaham comes out as the 23rd largest and the 18th most expensive in our analysis of the public data.
It is also £1k less expensive than the average property across the SR7 district.
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Schools Nearby
- Seaview Primary School500 m away
- Seaham Trinity Primary School900 m away
- St Mary Magdalen's Catholic Primary School900 m away
- Seaham High School700 m away
- Venerable Bede Church of England Academy4.7 km away
- Southmoor Academy6.1 km away
More reading links
Public Transport Nearby
- Seaham|900 m away
- Sunderland|7.8 km away
- Horden|9.1 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.












