3, Union Street
3, Union Street
Description & Estimates
3, Union Street, Seaham is recorded publicly as a mid-century freehold house across 721 ft2 of internal area, sitting on a 101 m2 plot.
Locally, houses of this size normally have 3 bedrooms with a garden.
Our estimate of the sale value of 3, Union Street, Seaham is £88,499 and its rental estimate is £674 per month, given the available information and assuming reasonable condition.
Union Street, Seaham, SR7 falls within the SR7 postal district.
Our Data Sources
3, Union Street, Seaham has 61 entries in the Land Registry , most recently in October 2025 and a single entry in the EPC database dated August 2023.
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.
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 3, Union Street, Seaham, we estimate a market value of £92,924 and a rental value of £707 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £82,304 and £627 per month respectively.
Recent Market Change
Over the last year, 3, Union Street, Seaham has seen its estimated sale value grow by £549 (0.6%) and its estimated rental value climb by £21 per month (3.1%). This results in an estimated gross rental yield of 9.1%.
Plot Size
HM Land Registry records the plot of land for 3, Union Street, Seaham as measuring 101 m2.
That makes it the 15th largest plot in the postcode, where all 22 other houses have recorded plot data.
Energy Efficiency
3, Union Street, Seaham has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 19 Aug 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
The most recent sale of 3, Union Street, Seaham completed on 1st October 2025 at £101,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 6 times.
Values of comparable properties have dropped by 6.6% over the period since October 2025.
- Sold Oct 2025£101,000
- Sold Oct 2023£89,995
- Sold Sep 2007£96,500
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to 3, Union Street, Seaham have sold within a radius of 550 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 29th August 2025, was 12, Union Street, Seaham, SR7 7QH, a freehold house which sold for £53,000.
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
Of the 22 addresses on Union Street, Seaham, SR7, 3, Union Street, Seaham comes out as the 22nd largest and the 22nd most expensive in our analysis of the public data.
It is also £34k less expensive than the average property across the SR7 district.
More reading links
Schools Nearby
- 500mSeaham Trinity Primary School
- 700mRopery Walk Primary School
- 1.1kmSt Mary Magdalen's Catholic Primary School
- 1.9kmSeaham High School
- 5.6kmEasington Academy
- 5.8kmVenerable Bede Church of England Academy
More reading links
Public Transport Nearby
From 3, Union Street, Seaham, the nearest station is Seaham, 700 metres away.
- 700mSeaham
- 8.1kmHorden
- 8.8kmSunderland
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
The flood risk here is rated very low, based on Environment Agency data.
