Our Data Sources
40, Grantham Avenue, Seaham has 31 entries in the Land Registry, most recently in October 2016 and a single entry in the EPC database dated May 2009.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 40, Grantham Avenue, Seaham would be worth £97,058, with a potential rental value of £727 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £85,966, with a rental value of £644 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
40, Grantham Avenue, Seaham occupies a 162 m2 plot as recorded by HM Land Registry.
Of the 16 other houses in this postcode, 12 have recorded plot sizes, and this one ranks as the 6th largest.
Energy Efficiency
40, Grantham Avenue, Seaham has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 20 May 2009.
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
40, Grantham Avenue, Seaham last changed hands on 28th October 2016, selling for £92,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 3 times since 1995.
The market for similar properties has risen by 13.3% since October 2016.
- Sold Oct 2016£92,000
- Sold Dec 2010£86,000
- Sold Jul 2006£80,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 96 sales of comparable properties within 700 metres of 40, Grantham Avenue, Seaham since 2021.
Most recently, 12, Hexham Avenue, Seaham, SR7 8NA, a freehold house, sold at £85,000 on the 27th February 2026.
Read more about house prices in SR7.
- Sold Feb 2026£85,000 | 2 Bed House12, Hexham Avenue, Seaham, SR7 8NA12, Hexham Avenue, Seaham, SR7 8NA
- Sold Feb 2026£110,000 | 2 Bed House28, Jasper Avenue, Seaham, SR7 8NQ28, Jasper Avenue, Seaham, SR7 8NQ
- Sold Nov 2025£90,000 | 2 Bed House25, Jasper Avenue, Seaham, SR7 8NQ25, Jasper Avenue, Seaham, SR7 8NQ
- 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.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £91,324, ranging from £83,548 to £112,799.
- 38 Grantham Avenue
2 Bed House | 8 m | Est. Value: £83,548
- 36 Grantham Avenue
3 Bed House | 16 m | Est. Value: £106,418
- 44 Grantham Avenue
2 Bed House | 16 m | Est. Value: £86,071
- 37 Frank Avenue
2 Bed House | 20 m | Est. Value: £85,605
- 39 Frank Avenue
3 Bed House | 22 m | Est. Value: £112,799
Location Comparison
Our analysis of the public data ranks 40, Grantham Avenue, Seaham as the 19th largest and the 48th most expensive of the 68 addresses on Grantham Avenue, Seaham, SR7.
Against the SR7 postcode district average, it is £32k less expensive than the typical property.
More reading links
Schools Nearby
- Seaview Primary School200 m away
- Seaham Trinity Primary School900 m away
- St Mary Magdalen's Catholic Primary School1.1 km away
- Seaham High School1.0 km away
- Venerable Bede Church of England Academy5.1 km away
- Easington Academy5.8 km away
More reading links
Public Transport Nearby
- Seaham|900 m away
- Sunderland|8.2 km away
- Horden|8.7 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.












