Our Data Sources
15, Cowper Street, Northampton has 51 entries in the Land Registry , most recently in May 2026 and a single entry in the EPC database dated January 2026.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
Price Range & Condition
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 15, Cowper Street, Northampton is in very good condition we estimate a sale value of £222,388 and a rental value of £1,021 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £196,972 and a rental value of £905 per month.
Plot Size
According to data from HM Land Registry, 15, Cowper Street, Northampton sits on a plot of 187 m2.
We have plot size data on 38 out of 54 other houses in the postcode and 15, Cowper Street, Northampton sits on the 17th largest plot.
Energy Efficiency
15, Cowper Street, Northampton has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 27 Jan 2026.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
According to HM Land Registry, 15, Cowper Street, Northampton was last sold on 1st May 2026 for £232,000 and was recorded as a freehold house.
The property has had 5 sales since 1995.
Since May 2026, the market for similar properties has risen by 3.6%.
- Sold May 2026£232,000
- Sold Apr 2021£204,000
- Sold Jun 2014£163,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 331 sales of properties similar to 15, Cowper Street, Northampton within a radius of 330 metres over the last 2 years.
The most recent example is 72, Cowper Street, Northampton, NN1 3QR, a freehold house which sold for £125,000 on the 6th March 2026.
Read more about house prices in NN1.
- Sold Mar 2026£125,000 | 3 Bed House72, Cowper Street, Northampton, NN1 3QR72, Cowper Street, Northampton, NN1 3QR
- Sold May 2024£205,000 | 3 Bed House73, Hood Street, Northampton, NN1 3QT73, Hood Street, Northampton, NN1 3QT
- Sold Feb 2023£235,000 | 3 Bed House53, Hood Street, Northampton, NN1 3QT53, Hood Street, Northampton, NN1 3QT
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Cowper Street, Northampton, NN1 has a total of 102 addresses. According to our analysis of all the public data, 15, Cowper Street, Northampton is the 39th largest and the 38th most expensive property on the street.
When compared to the postcode district it is £15k more expensive than the average property in NN1.
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Schools Nearby
- Stimpson Avenue Academy600 m away
- Vernon Terrace Primary School800 m away
- Barry Primary School900 m away
- Malcolm Arnold Academy1.1 km away
- Northampton School for Boys1.4 km away
- Northampton School for Girls2.4 km away
More reading links
Public Transport Nearby
- Northampton|1.7 km away
- Long Buckby|14.8 km away
- Wellingborough|15.6 km away
Available Internet Speeds
According to recent data from Ofcom, Ultrafast Broadband is available in this area.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.












