Our Data Sources
84, Portland Avenue, Seaham has a single entry in the Land Registry from September 2019 and a single entry in the EPC database dated September 2015.
We combine this information with that 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 84, Portland Avenue, Seaham would be worth £81,586, with a potential rental value of £672 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £72,262, with a rental value of £596 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
84, Portland Avenue, Seaham occupies a 125 m2 plot as recorded by HM Land Registry.
Of the 17 other houses in this postcode, 2 have recorded plot sizes, and this one ranks as the 2nd largest.
Energy Efficiency
84, Portland Avenue, Seaham has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 18 Sep 2015.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
84, Portland Avenue, Seaham last changed hands on 13th September 2019, selling for £61,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 64.2% since September 2019.
- Sold Sep 2019£61,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 76 sales of comparable properties within 550 metres of 84, Portland Avenue, Seaham since 2015.
Most recently, 20, Essex Crescent, Seaham, SR7 8DZ, a freehold house, sold at £79,500 on the 24th April 2026.
Read more about house prices in SR7.
- Sold Apr 2026£79,500 | 3 Bed House20, Essex Crescent, Seaham, SR7 8DZ20, Essex Crescent, Seaham, SR7 8DZ
- Sold Dec 2025£70,000 | 3 Bed House13, Saturn Street, Seaham, SR7 8BP13, Saturn Street, Seaham, SR7 8BP
- Sold Aug 2025£90,000 | 3 Bed House163, The Avenue, Seaham, SR7 8BB163, The Avenue, Seaham, SR7 8BB
- Sold Jul 2025£72,000 | 3 Bed House106, Malvern Crescent, Seaham, SR7 8AU106, Malvern Crescent, Seaham, SR7 8AU
- Sold Jun 2025£80,000 | 3 Bed House24, Eastlea Crescent, Seaham, SR7 8EE24, Eastlea Crescent, Seaham, SR7 8EE
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 £68,250, ranging from £57,360 to £80,958.
- 86 Portland Avenue
2 Bed House | 7 m | Est. Value: £70,115
- 88 Portland Avenue
2 Bed House | 10 m | Est. Value: £70,115
- 90 Portland Avenue
2 Bed House | 16 m | Est. Value: £70,678
- 92 Portland Avenue
2 Bed House | 21 m | Est. Value: £70,678
- 94 Portland Avenue
2 Bed House | 26 m | Est. Value: £70,678
Location Comparison
Our analysis of the public data ranks 84, Portland Avenue, Seaham as the 13th largest and the 30th most expensive of the 64 addresses on Portland Avenue, Seaham, SR7.
Against the SR7 postcode district average, it is £61k less expensive than the typical property.
More reading links
Schools Nearby
- Seaview Primary School300 m away
- Westlea Primary School800 m away
- St Cuthbert's Catholic Primary School, Seaham900 m away
- Seaham High School600 m away
- Venerable Bede Church of England Academy4.7 km away
- Farringdon Community Academy6.0 km away
More reading links
Public Transport Nearby
- Seaham|1.2 km away
- Sunderland|7.9 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 available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












