Our Data Sources
12, Seaton Grove, Seaham has 21 entries in the Land Registry, most recently in February 2026 and a single entry in the EPC database dated February 2025.
We combine this information with that of neighbouring properties to estimate the property 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
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 12, Seaton Grove, Seaham, we estimate a market value of £314,062 and a rental value of £1,516 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £278,169 and £1,343 per month respectively.
Plot Size
HM Land Registry records the plot of land for 12, Seaton Grove, Seaham as measuring 334 m2.
That makes it the 14th largest plot in the postcode, where all 20 other houses have recorded plot data.
Energy Efficiency
12, Seaton Grove, Seaham has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 20 Feb 2025.
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
The most recent sale of 12, Seaton Grove, Seaham completed on 23rd February 2026 at £265,000 and was recorded by HM Land Registry as a leasehold house.
Since 1995 the property has sold twice.
Values of comparable properties have dropped by 31.8% over the period since February 2026.
- Sold Feb 2026£265,000
- Sold Oct 1997£60,000
Similar Properties Sold Nearby
Since 2007 18 properties similar to 12, Seaton Grove, Seaham have sold within a radius of 1.4 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 5th September 2025, was Holly Lodge, Seaton Lane, Seaham, SR7 0LS, a freehold house which sold for £252,000.
Read more about house prices in SR7.
- Sold Sep 2025£252,000 | 4 Bed HouseHolly Lodge, Seaton Lane, Seaham, SR7 0LSHolly Lodge, Seaton Lane, Seaham, SR7 0LS
- Sold Feb 2025£355,000 | 4 Bed House9, Seaton Grove, Seaham, SR7 0LU9, Seaton Grove, Seaham, SR7 0LU
- Sold Aug 2024£350,000 | 4 Bed House37, Lyster Close, Seaham, SR7 0PH37, Lyster Close, Seaham, SR7 0PH
- Sold Feb 2024£340,000 | 4 Bed House11, Seaton Grove, Seaham, SR7 0LU11, Seaton Grove, Seaham, SR7 0LU
- Sold Jul 2021£262,000 | 4 Bed House24, Blaykeston Close, Seaham, SR7 0PJ24, Blaykeston Close, Seaham, SR7 0PJ
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 £285,574, ranging from £198,795 to £394,141.
- 11 Seaton Grove
4 Bed House | 9 m | Est. Value: £320,220
- 13 Seaton Grove
4 Bed House | 18 m | Est. Value: £289,135
- 14 Seaton Grove
4 Bed House | 26 m | Est. Value: £296,918
- 10 Seaton Grove
3 Bed House | 28 m | Est. Value: £236,427
- 9 Seaton Grove
4 Bed House | 37 m | Est. Value: £283,452
Location Comparison
Of the 20 addresses on Seaton Grove, Seaham, SR7, 12, Seaton Grove, Seaham comes out as the 5th largest and the 7th most expensive in our analysis of the public data.
It is also £160k more expensive than the average property across the SR7 district.
More reading links
Schools Nearby
- Westlea Primary School1.0 km away
- St Cuthbert's Catholic Primary School, Seaham1.1 km away
- New Seaham Academy1.2 km away
- Seaham High School1.4 km away
- Venerable Bede Church of England Academy3.5 km away
- Farringdon Community Academy4.3 km away
More reading links
Public Transport Nearby
- Seaham|2.9 km away
- Sunderland|7.0 km away
- Horden|10.5 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












