Our Data Sources
46, Castle Avenue, Northampton has 31 entries in the Land Registry, most recently in February 2026 and a single entry in the EPC database dated January 2019.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
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 46, Castle Avenue, Northampton is in very good condition we estimate a sale value of £311,357 and a rental value of £1,549 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £275,773 and a rental value of £1,372 per month.
Plot Size
According to data from HM Land Registry, 46, Castle Avenue, Northampton sits on a plot of 737 m2.
We have plot size data on 29 out of 36 other houses in the postcode and 46, Castle Avenue, Northampton sits on the 3rd largest plot.
Energy Efficiency
46, Castle Avenue, Northampton has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 15 Jan 2019.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas, room heaters, electric).
Sold Prices
According to HM Land Registry, 46, Castle Avenue, Northampton was last sold on 2nd February 2026 for £320,000 and was recorded as a freehold house.
The property has had 3 sales since 1995.
Since February 2026, the market for similar properties has risen by 3.2%.
- Sold Feb 2026£320,000
- Sold Jul 2019£250,000
- Sold Jun 2002£98,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 149 sales of properties similar to 46, Castle Avenue, Northampton within a radius of 560 metres since 2013.
The most recent example is 3, Grange Avenue, Northampton, NN5 6SR, a freehold house which sold for £310,000 on the 10th April 2026.
Read more about house prices in NN5.
- Sold Apr 2026£310,000 | 4 Bed House3, Grange Avenue, Northampton, NN5 6SR3, Grange Avenue, Northampton, NN5 6SR
- Sold Nov 2025£342,000 | 4 Bed House41, Kerrfield Estate, Northampton, NN5 6JY41, Kerrfield Estate, Northampton, NN5 6JY
- Sold Aug 2025£340,000 | 4 Bed House25, Eastfield Road, Northampton, NN5 6TG25, Eastfield Road, Northampton, NN5 6TG
- Sold May 2025£248,500 | 4 Bed House2, Eastfield Road, Northampton, NN5 6TQ2, Eastfield Road, Northampton, NN5 6TQ
- Sold Mar 2025£335,000 | 4 Bed House188, Main Road, Northampton, NN5 6RE188, Main Road, Northampton, NN5 6RE
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £238,411, ranging from £152,578 to £343,317.
- 48 Castle Avenue
3 Bed House | 9 m | Est. Value: £249,917
- 44 Castle Avenue
3 Bed House | 14 m | Est. Value: £268,023
- 42 Castle Avenue
3 Bed House | 20 m | Est. Value: £242,030
- 50 Castle Avenue
3 Bed House | 33 m | Est. Value: £152,578
- 38 Castle Avenue
2 Bed House | 43 m | Est. Value: £211,941
Location Comparison
Castle Avenue, Northampton, NN5 has a total of 79 addresses. According to our analysis of all the public data, 46, Castle Avenue, Northampton is the 6th largest and the 6th most expensive property on the street.
When compared to the postcode district it is £40k more expensive than the average property in NN5.
More reading links
Schools Nearby
- Hopping Hill Primary School400 m away
- Duston Eldean Primary School600 m away
- Chiltern Primary School1.0 km away
- Malcolm Arnold Academy3.8 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|10.7 km away
- Wellingborough|19.3 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 available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.
