Our Data Sources
51, Cowper Street, Northampton has 51 entries in the Land Registry , most recently in April 2026 and a single entry in the EPC database dated May 2021.
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
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 51, Cowper Street, Northampton, we estimate a market value of £262,414 and a rental value of £1,133 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £232,424 and £1,004 per month respectively.
Plot Size
HM Land Registry records the plot of land for 51, Cowper Street, Northampton as measuring 107 m2.
That makes it the 41st largest plot in the postcode, where 38 of the 54 other houses have recorded plot data.
Energy Efficiency
51, Cowper Street, Northampton has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 06 May 2021.
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 51, Cowper Street, Northampton completed on 9th April 2026 at £228,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 5 times.
Values of comparable properties have risen by 6.5% over the period since April 2026.
- Sold Apr 2026£228,000
- Sold Oct 2018£220,000
- Sold Oct 2014£147,000
Similar Properties Sold Nearby
Over the past 2 years 99 properties similar to 51, Cowper Street, Northampton have sold within a radius of 330 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 5th May 2026, was 17A, Spencer Road, Northampton, NN1 3LR, a freehold house which sold for £225,000.
Read more about house prices in NN1.
- Sold May 2026£225,000 | 4 Bed House17A, Spencer Road, Northampton, NN1 3LR17A, Spencer Road, Northampton, NN1 3LR
- Sold Aug 2025£270,000 | 4 Bed House62, Colwyn Road, Northampton, NN1 3PX62, Colwyn Road, Northampton, NN1 3PX
- Sold Dec 2024£250,000 | 3 Bed House19, Cowper Street, Northampton, NN1 3QR19, Cowper Street, Northampton, NN1 3QR
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 102 addresses on Cowper Street, Northampton, NN1, 51, Cowper Street, Northampton comes out as the 8th largest and the 7th most expensive in our analysis of the public data.
It is also £53k more expensive than the average property across the NN1 district.
More reading links
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
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












