The average house price on Grantham Avenue, Seaham is £65,800. Prices range from £26,250 to £147,000.
There are 28 properties on Grantham Avenue, Seaham.
Average house prices on Grantham Avenue, Seaham have risen by 319% from £26,250 in 1996 to £110,000 in 2025.
Grantham Avenue, Seaham is in the SR7 postcode district.
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