Our Data Sources
Flat 4, 25, Castilian Street, Northampton has no records in the the Land Registry and a single entry in the EPC database dated February 2025.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
In very good condition, we estimate Flat 4, 25, Castilian Street, Northampton would be worth £160,477, with a potential rental value of £905 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £142,137, with a rental value of £802 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
Flat 4, 25, Castilian Street, Northampton has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 13 Feb 2025.
The property is not connected to mains gas and has fully double glazed windows. It is heated using Room heaters, electric.
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 99 sales of comparable properties within 360 metres of Flat 4, 25, Castilian Street, Northampton across the last 2 years.
Most recently, 3, Scholars Court, Northampton, NN1 1DQ, a leasehold flat, sold at £144,500 on the 8th October 2025.
Read more about house prices in NN1.
- Sold Oct 2025£144,500 | 2 Bed Flat3, Scholars Court, Northampton, NN1 1DQ3, Scholars Court, Northampton, NN1 1DQ
- Sold Jan 2024£157,000 | 2 Bed FlatFlat 4, 46, Derngate, Northampton, NN1 1HSFlat 4, 46, Derngate, Northampton, NN1 1HS
- Sold Jul 2022£169,950 | 2 Bed FlatFlat 9, 9, Derngate, Northampton, NN1 1TYFlat 9, 9, Derngate, Northampton, NN1 1TY
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks Flat 4, 25, Castilian Street, Northampton as the 43rd largest and the 40th most expensive of the 72 addresses on Castilian Street, Northampton, NN1.
Against the NN1 postcode district average, it is £44k less expensive than the typical property.
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Schools Nearby
- Spring Lane Primary School800 m away
- Castle Academy800 m away
- Vernon Terrace Primary School900 m away
- Northampton School for Boys1.7 km away
- Malcolm Arnold Academy1.9 km away
- Abbeyfield School2.5 km away
More reading links
Public Transport Nearby
- Northampton|1.0 km away
- Long Buckby|14.7 km away
- Wellingborough|16.5 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
