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According to the public record, 40, Grantham Avenue, Seaham is a early-century freehold house with 634 ft2 of internal area and sits on a 162 m2 plot.
Houses of this size in this area normally have 2 bedrooms with a garden.
Based on available information, and assuming reasonable condition, the estimated sale value for 40, Grantham Avenue, Seaham is £91,728 and the estimated rental value is £672 per month.
Grantham Avenue, Seaham, SR7 is located within the SR7 postal district.
40, Grantham Avenue, Seaham has 31 entries in the Land Registry , most recently in October 2016 and a single entry in the EPC database dated May 2009.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 40, Grantham Avenue, Seaham is in very good condition we estimate a sale value of £96,314 and a rental value of £705 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £85,307 and a rental value of £625 per month.
Over the last 12 months the sale value of 40 Grantham Avenue Seaham has increased by an estimated £567 (0.6%) and its rental value has increased by an estimated £21 per month (3.1%), giving an expected gross yield of 8.8%.
According to data from HM Land Registry, 40, Grantham Avenue, Seaham sits on a plot of 162m2.
We have plot size data on 12 out of 16 other houses in the postcode and 40, Grantham Avenue, Seaham sits on the 6th largest plot.
40, Grantham Avenue, Seaham has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 20 May 2009.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
According to HM Land Registry, 40, Grantham Avenue, Seaham was last sold on 28th October 2016 for £92,000 and was recorded as a freehold house.
The property has had 3 sales since 1995.
Since October 2016, the market for similar properties has risen 12.1%
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 40, Grantham Avenue, Seaham within a radius of 700 metres over the last 2 years.
The most recent example is 20, Hexham Avenue, Seaham, SR7 8NA, a freehold house which sold for £118,000 on the 9th October 2025.
Read more about house prices in SR7.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Grantham Avenue, Seaham, SR7 has a total of 68 addresses. According to our analysis of all the public data, 40, Grantham Avenue, Seaham is the 20th largest and the 48th most expensive property on the street.
When compared to the postcode district it is £31k less expensive than the average property in SR7.
The closest station to 40, Grantham Avenue, Seaham is Seaham station which is 900 metres away.
According to recent data from Ofcom, superfast broadband is available in this area.
According to recent data from Ofcom, Superfast broadband is available in the area.
According to data from the Environment Agency, the flood risk in this area is considered to be very low.
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The recent census recorded whether a resident owned or rented their home.
In the area around 40, Grantham Avenue, Seaham, 41.9% of property is privately owned outright and 33.3% is socially rented.
The graph below shows how this compares to North East and the rest of England & Wales.
The recent census recorded the highest level of education achieved by residents in the local area.
In the area around 40, Grantham Avenue, Seaham, 9.1% of residents are recorded as possessing school level qualifications and 11.4% as possessing degree level qualifications.
The graph below shows how this compares to North East and the rest of England & Wales.
The most recent census in 2021 recorded the age of all UK residents.
In the area around 40, Grantham Avenue, Seaham, the average age was 40.3 and the most common age was 12.
The graph below shows how this compares to North East and the rest of England & Wales
The recent census recorded whether a property was a primary or secondary home for the resident.
In the area around 40, Grantham Avenue, Seaham, 1.3% of property was a second home.
Comparison figures for North East and the rest of England & Wales are listed below.
The recent census recorded the number of cars registered in each household.
In the area around 40, Grantham Avenue, Seaham, there are an average of 0.7 cars per household.
See below for how this compares to North East and the rest of England & Wales.
