Our Data Sources
18, Alder Grove, Seaham has 31 entries in the Land Registry, most recently in September 2021 and a single entry in the EPC database dated October 2016.
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 18, Alder Grove, Seaham, we estimate a market value of £201,591 and a rental value of £1,090 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £178,552 and £966 per month respectively.
Plot Size
HM Land Registry records the plot of land for 18, Alder Grove, Seaham as measuring 368 m2.
That makes it the 5th largest plot in the postcode, where all 23 other houses have recorded plot data.
Energy Efficiency
18, Alder Grove, Seaham has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 12 Oct 2016.
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 18, Alder Grove, Seaham completed on 10th September 2021 at £168,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 3 times.
Values of comparable properties have risen by 26.0% over the period since September 2021.
- Sold Sep 2021£168,000
- Sold Mar 2007£170,500
- Sold Sep 2005£164,950
Similar Properties Sold Nearby
Since 2017 90 properties similar to 18, Alder Grove, Seaham have sold within a radius of 830 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 30th January 2026, was 7, Cherry Grove, Seaham, SR7 7RR, a freehold house which sold for £185,000.
Read more about house prices in SR7.
- Sold Jan 2026£185,000 | 3 Bed House7, Cherry Grove, Seaham, SR7 7RR7, Cherry Grove, Seaham, SR7 7RR
- Sold Aug 2025£225,000 | 3 Bed House12, Almond Way, Seaham, SR7 7RU12, Almond Way, Seaham, SR7 7RU
- Sold Jun 2025£205,000 | 3 Bed House1, Almond Way, Seaham, SR7 7RU1, Almond Way, Seaham, SR7 7RU
- Sold Jun 2025£210,000 | 3 Bed House1, Mulberry Way, Seaham, SR7 7DZ1, Mulberry Way, Seaham, SR7 7DZ
- Sold Nov 2024£187,000 | 3 Bed House42, Chestnut Way, Seaham, SR7 7RN42, Chestnut Way, Seaham, SR7 7RN
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 £204,014, ranging from £175,832 to £246,456.
- 17 Alder Grove
3 Bed House | 9 m | Est. Value: £214,920
- 16 Alder Grove
3 Bed House | 19 m | Est. Value: £202,127
- 19 Alder Grove
4 Bed House | 19 m | Est. Value: £246,456
- 6 Alder Grove
3 Bed House | 30 m | Est. Value: £207,550
- 5 Alder Grove
3 Bed House | 38 m | Est. Value: £184,933
Location Comparison
Of the 23 addresses on Alder Grove, Seaham, SR7, 18, Alder Grove, Seaham comes out as the 16th largest and the 15th most expensive in our analysis of the public data.
It is also £53k more expensive than the average property across the SR7 district.
More reading links
Schools Nearby
- Seaham Trinity Primary School900 m away
- Seaview Primary School1.0 km away
- Ropery Walk Primary School1.2 km away
- Seaham High School1.8 km away
- Easington Academy5.2 km away
- Venerable Bede Church of England Academy5.9 km away
More reading links
Public Transport Nearby
- Seaham|1.0 km away
- Horden|7.9 km away
- Sunderland|9.0 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.












