Our Data Sources
11, Castle Avenue, Northampton has no records in the the Land Registry and a single entry in the EPC database dated August 2017.
We combine this information with public data 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.
Price Range & Condition
In very good condition, we estimate 11, Castle Avenue, Northampton would be worth £301,574, with a potential rental value of £1,524 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £267,108, with a rental value of £1,349 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Energy Efficiency
11, Castle Avenue, Northampton has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 13 Aug 2017.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 192 sales of comparable properties within 540 metres of 11, Castle Avenue, Northampton across the last 2 years.
Most recently, 12, Castle Avenue, Northampton, NN5 6LF, a freehold house, sold at £265,000 on the 24th July 2025.
Read more about house prices in NN5.
- Sold Jul 2025£265,000 | 3 Bed House12, Castle Avenue, Northampton, NN5 6LF12, Castle Avenue, Northampton, NN5 6LF
- Sold May 2025£248,500 | 4 Bed House2, Eastfield Road, Northampton, NN5 6TQ2, Eastfield Road, Northampton, NN5 6TQ
- Sold Sep 2021£200,000 | 4 Bed House14, Castle Avenue, Northampton, NN5 6LF14, Castle Avenue, Northampton, NN5 6LF
•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 11, Castle Avenue, Northampton as the 11th largest and the 10th most expensive of the 79 addresses on Castle Avenue, Northampton, NN5.
Against the NN5 postcode district average, it is £31k more expensive than the typical property.
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Schools Nearby
- Hopping Hill Primary School400 m away
- Duston Eldean Primary School700 m away
- Chiltern Primary School1.0 km away
- Malcolm Arnold Academy3.7 km away
- Abbeyfield School4.7 km away
- Kingsthorpe College4.7 km away
More reading links
Public Transport Nearby
- Northampton|3.0 km away
- Long Buckby|10.8 km away
- Wellingborough|19.3 km away
Available Internet Speeds
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












