31, Grantham Avenue
31, Grantham Avenue
Description & Estimates
Updated December 2025 byNorth East Property
As updated by North East Property in December 2025, 31, Grantham Avenue, Seaham is an early-century freehold house with 516 ft2 of internal area and sits on a 292 m2 plot comprising 2 bedrooms with a garden.
Based on available information, and assuming reasonable condition, the estimated sale value for 31, Grantham Avenue, Seaham is £111,363 and the estimated rental value is £646 per month.
Grantham Avenue, Seaham, SR7 is located within the SR7 postal district.
Our Data Sources
31, Grantham Avenue, Seaham has been updated by North East Property. This data along with public information allows us to provide estimates for both this and neighbouring properties.
The local information is scored as 3 out of 5 and is considered of medium 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 31, Grantham Avenue, Seaham is in very good condition we estimate a sale value of £116,931 and a rental value of £678 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £103,568 and a rental value of £601 per month.
Recent Market Change
Over the past 12 months, the estimated sale value of 31, Grantham Avenue, Seaham has risen by £688 (0.6%), while its estimated rental value has moved up by £20 per month (3.1%). Based on current estimates, the property offers a gross rental yield of 7.0%.
Plot Size
According to data from HM Land Registry, 31, Grantham Avenue, Seaham sits on a plot of 292 m2.
We have plot size data on 19 out of 32 other houses in the postcode and 31, Grantham Avenue, Seaham sits on the 3rd largest plot.
Energy Efficiency
31, Grantham Avenue, Seaham has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 06 Mar 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
According to HM Land Registry, 31, Grantham Avenue, Seaham was last sold on 17th December 2025 for £83,000 and was recorded as a freehold house.
The property has had 2 sales since 1995.
Since December 2025, the market for similar properties has dropped by 11.3%.
- Sold Dec 2025£83,000
- Sold Feb 2002£31,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 31, Grantham Avenue, Seaham within a radius of 710 metres over the last 2 years.
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.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Grantham Avenue, Seaham, SR7 has a total of 68 addresses. According to our analysis of all the public data, 31, Grantham Avenue, Seaham is the 64th largest and the 19th most expensive property on the street.
When compared to the postcode district it is £12k less expensive than the average property in SR7.
More reading links
Schools Nearby
- 400mSeaview Primary School
- 800mSeaham Trinity Primary School
- 1.0kmSt Mary Magdalen's Catholic Primary School
- 1.0kmSeaham High School
- 5.0kmVenerable Bede Church of England Academy
- 5.9kmEasington Academy
More reading links
Public Transport Nearby
The closest station to 31, Grantham Avenue, Seaham is Seaham station, which is 800 metres away.
- 800mSeaham
- 8.1kmSunderland
- 8.8kmHorden
Available Internet Speeds
According to recent data from Ofcom, superfast broadband is available in this area.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be very low.
