Our Data Sources
5, Grantham Avenue, Seaham has no records in the Land Registry and a single entry in the EPC database dated May 2023.
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
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 5, Grantham Avenue, Seaham is in very good condition we estimate a sale value of £116,670 and a rental value of £780 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £103,337 and a rental value of £690 per month.
Energy Efficiency
5, Grantham Avenue, Seaham has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 04 May 2023.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 104 sales of properties similar to 5, Grantham Avenue, Seaham within a radius of 710 metres since 2012.
The most recent example is 25, Grantham Avenue, Seaham, SR7 8LZ, a freehold house which sold for £115,000 on the 11th March 2026.
Read more about house prices in SR7.
- Sold Mar 2026£115,000 | 2 Bed House25, Grantham Avenue, Seaham, SR7 8LZ25, Grantham Avenue, Seaham, SR7 8LZ
- Sold Feb 2026£70,000 | 2 Bed House26, Grantham Avenue, Seaham, SR7 8LZ26, Grantham Avenue, Seaham, SR7 8LZ
- Sold Dec 2025£83,000 | 2 Bed House31, Grantham Avenue, Seaham, SR7 8LZ31, Grantham Avenue, Seaham, SR7 8LZ
- Sold Oct 2025£118,000 | 2 Bed House20, Hexham Avenue, Seaham, SR7 8NA20, Hexham Avenue, Seaham, SR7 8NA
- Sold Sep 2025£93,000 | 2 Bed House27, Ivy Avenue, Seaham, SR7 8NG27, Ivy Avenue, Seaham, SR7 8NG
Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Explore Nearby Properties
The surrounding properties have an average estimated value of £109,025, ranging from £92,296 to £143,098.
- 3 Grantham Avenue
2 Bed House | 7 m | Est. Value: £118,059
- 7 Grantham Avenue
2 Bed House | 8 m | Est. Value: £104,795
- 1 Grantham Avenue
2 Bed House | 14 m | Est. Value: £110,651
- 9 Grantham Avenue
2 Bed House | 17 m | Est. Value: £110,087
- 6 Hexham Avenue
2 Bed House | 20 m | Est. Value: £94,099
Location Comparison
Grantham Avenue, Seaham, SR7 has a total of 68 addresses. According to our analysis of all the public data, 5, Grantham Avenue, Seaham is the 32nd largest and the 13th most expensive property on the street.
When compared to the postcode district it is £13k less expensive than the average property in SR7.
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Schools Nearby
- Seaview Primary School400 m away
- Seaham Trinity Primary School800 m away
- St Mary Magdalen's Catholic Primary School1.0 km away
- Seaham High School1.0 km away
- Venerable Bede Church of England Academy5.0 km away
- Easington Academy5.9 km away
More reading links
Public Transport Nearby
- Seaham|800 m away
- Sunderland|8.1 km away
- Horden|8.8 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.





