Our Data Sources
21, Mariners Way, Seaham has 6 entries in the Land Registry, most recently in March 2026 and a single entry in the EPC database dated February 2025.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 21, Mariners Way, Seaham would be worth £91,923, with a potential rental value of £577 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £81,417, with a rental value of £511 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
21, Mariners Way, Seaham has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 10 Feb 2025.
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
21, Mariners Way, Seaham last changed hands on 31st March 2026, selling for £92,000. The transaction was logged as a leasehold flat by HM Land Registry.
In total it has sold 6 times since 1995.
The market for similar properties has risen by 22.7% since March 2026.
- Sold Mar 2026£92,000
- Sold Oct 2025£86,000
- Sold Oct 2022£92,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 1 sale of a comparable property within 600 metres of 21, Mariners Way, Seaham since 2012.
Most recently, 18, Mariners Way, Seaham, SR7 7EB, a leasehold flat, sold at £69,792 on the 14th December 2012.
Read more about house prices in SR7.
- Sold Dec 2012£69,792 | 2 Bed Flat18, Mariners Way, Seaham, SR7 7EB18, Mariners Way, Seaham, SR7 7EB
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 £158,605, ranging from £91,986 to £283,812.
- 24 Mariners Way
2 Bed Flat | 0 m | Est. Value: £96,178
- 18 Mariners Way
2 Bed Flat | 0 m | Est. Value: £91,986
- 20 Mariners Way
2 Bed Flat | 9 m | Est. Value: £94,528
- 17 Mariners Way
2 Bed Flat | 9 m | Est. Value: £93,690
- 23 Mariners Way
2 Bed Flat | 9 m | Est. Value: £96,178
Location Comparison
Our analysis of the public data ranks 21, Mariners Way, Seaham as the 52nd largest and the 52nd most expensive of the 52 addresses on Mariners Way, Seaham, SR7.
Against the SR7 postcode district average, it is £52k less expensive than the typical property.
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Schools Nearby
- St Mary Magdalen's Catholic Primary School400 m away
- Seaham Trinity Primary School700 m away
- Seaview Primary School1.0 km away
- Seaham High School1.1 km away
- Venerable Bede Church of England Academy4.6 km away
- Southmoor Academy5.9 km away
More reading links
Public Transport Nearby
- Seaham|600 m away
- Sunderland|7.6 km away
- Horden|9.3 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.












