17, Grantham Avenue
17, Grantham Avenue
Description & Estimates
Public records show 17, Grantham Avenue, Seaham to be an early-century freehold house with 947 ft2 of internal area, sitting on a 294 m2 plot.
In this area, houses of this size normally have 3 bedrooms with a garden.
17, Grantham Avenue, Seaham has an estimated sale value of £153,831 and an estimated rental value of £907 per month, assuming reasonable condition and based on the information available.
Grantham Avenue, Seaham, SR7 lies within the SR7 postal district.
Our Data Sources
17, Grantham Avenue, Seaham has 51 entries in the Land Registry , most recently in October 2025 and a single entry in the EPC database dated November 2023.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
Price Range & Condition
In very good condition, we estimate 17, Grantham Avenue, Seaham would be worth £161,523, with a potential rental value of £953 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £143,063, with a rental value of £844 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Recent Market Change
The estimated sale value of 17, Grantham Avenue, Seaham has increased by £955 (0.6%) over the last year. During the same period, its estimated monthly rental value has grown by £28 (3.1%). The property's estimated gross yield is currently 7.1%.
Plot Size
17, Grantham Avenue, Seaham occupies a 294 m2 plot as recorded by HM Land Registry.
Of the 32 other houses in this postcode, 19 have recorded plot sizes, and this one ranks as the 2nd largest.
Energy Efficiency
17, Grantham Avenue, Seaham has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 23 Nov 2023.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
17, Grantham Avenue, Seaham last changed hands on 14th October 2025, selling for £145,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 5 times since 1995.
The market for similar properties has dropped by 12.7% since October 2025.
- Sold Oct 2025£145,000
- Sold Mar 2024£147,000
- Sold Dec 2012£63,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 3 sales of comparable properties within 710 metres of 17, Grantham Avenue, Seaham across the last 2 years.
Most recently, 31, Hexham Avenue, Seaham, SR7 8NA, a freehold house, sold at £110,000 on the 24th June 2022.
Read more about house prices in SR7.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 17, Grantham Avenue, Seaham as the largest and the most expensive of the 68 addresses on Grantham Avenue, Seaham, SR7.
Against the SR7 postcode district average, it is £31k more expensive than the typical property.
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
Seaham station is the nearest stop to 17, Grantham Avenue, Seaham at 800 metres away.
- 800mSeaham
- 8.1kmSunderland
- 8.8kmHorden
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a very low risk of flooding.
