Our Data Sources
10, Portland Avenue, Seaham has no records in the the Land Registry and a single entry in the EPC database dated April 2010.
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
In very good condition, we estimate 10, Portland Avenue, Seaham would be worth £157,707, with a potential rental value of £1,016 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £139,683, with a rental value of £900 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
10, Portland Avenue, Seaham has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 01 Apr 2010.
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
Land Registry records and our Estate Agent network show 60 sales of comparable properties within 570 metres of 10, Portland Avenue, Seaham across the last 2 years.
Most recently, 57, Cheviot Gardens, Seaham, SR7 0BY, a freehold house, sold at £148,500 on the 20th April 2026.
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 Dec 2024£160,000 | 3 Bed House11, Cheviot Gardens, Seaham, SR7 0BY11, Cheviot Gardens, Seaham, SR7 0BY
- Sold May 2024£145,000 | 3 Bed House4, Portland Avenue, Seaham, SR7 8BX4, Portland Avenue, Seaham, SR7 8BX
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 10, Portland Avenue, Seaham as the 5th largest and the 7th most expensive of the 64 addresses on Portland Avenue, Seaham, SR7.
Against the SR7 postcode district average, it is £11k more expensive than the typical property.
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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
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












