Our Data Sources
8, Grantham Avenue, Seaham has 21 entries in the Land Registry, most recently in February 2008 and no records in the EPC database.
We combine this sold price information with public data of neighbouring properties to estimate the attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
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 8, Grantham Avenue, Seaham is in very good condition we estimate a sale value of £138,597 and a rental value of £904 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £122,757 and a rental value of £800 per month.
Plot Size
According to data from HM Land Registry, 8, Grantham Avenue, Seaham sits on a plot of 156 m2.
We have plot size data on 19 out of 32 other houses in the postcode and 8, Grantham Avenue, Seaham sits on the 11th largest plot.
Sold Prices
According to HM Land Registry, 8, Grantham Avenue, Seaham was last sold on 28th February 2008 for £77,000 and was recorded as a freehold house.
The property has had 2 sales since 1995.
Since February 2008, the market for similar properties has risen by 2.6%.
- Sold Feb 2008£77,000
- Sold Oct 2005£75,500
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 61 sales of properties similar to 8, Grantham Avenue, Seaham within a radius of 700 metres since 2008.
The most recent example is 9, Milton Close, Seaham, SR7 8AP, a freehold house which sold for £127,000 on the 29th May 2026.
Read more about house prices in SR7.
- Sold May 2026£127,000 | 3 Bed House9, Milton Close, Seaham, SR7 8AP9, Milton Close, Seaham, SR7 8AP
- Sold Mar 2026£138,000 | 3 Bed House198, The Avenue, Seaham, SR7 8BQ198, The Avenue, Seaham, SR7 8BQ
- Sold Feb 2026£130,000 | 3 Bed House5, Swallow Street, Seaham, SR7 0AL5, Swallow Street, Seaham, SR7 0AL
- Sold Dec 2025£138,000 | 3 Bed House21, Milton Close, Seaham, SR7 8AP21, Milton Close, Seaham, SR7 8AP
- Sold Oct 2025£91,000 | 3 Bed House37, Milton Close, Seaham, SR7 8AP37, Milton Close, Seaham, SR7 8AP
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 £105,520, ranging from £85,423 to £143,098.
- 10 Grantham Avenue
2 Bed House | 4 m | Est. Value: £111,115
- 6 Grantham Avenue
2 Bed House | 10 m | Est. Value: £110,846
- 12 Grantham Avenue
2 Bed House | 13 m | Est. Value: £110,497
- 14 Grantham Avenue
2 Bed House | 19 m | Est. Value: £106,944
- 7 Frank Avenue
2 Bed House | 21 m | Est. Value: £90,520
Location Comparison
Grantham Avenue, Seaham, SR7 has a total of 68 addresses. According to our analysis of all the public data, 8, Grantham Avenue, Seaham is the 9th largest and the 3rd most expensive property on the street.
When compared to the postcode district it is £7k more expensive than the average property in SR7.
More reading links
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.





