Our Data Sources
12, Castle Avenue, Northampton has 3 entries in the Land Registry, most recently in July 2025 and a single entry in the EPC database dated October 2015.
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 12, Castle Avenue, Northampton, we estimate a market value of £265,251 and a rental value of £1,407 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £234,936 and £1,246 per month respectively.
Plot Size
HM Land Registry records the plot of land for 12, Castle Avenue, Northampton as measuring 259 m2.
That makes it the 27th largest plot in the postcode, where 29 of the 36 other houses have recorded plot data.
Energy Efficiency
12, Castle Avenue, Northampton has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 14 Oct 2015.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
The most recent sale of 12, Castle Avenue, Northampton completed on 24th July 2025 at £265,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 3 times.
Values of comparable properties have risen by 0.2% over the period since July 2025.
- Sold Jul 2025£265,000
- Sold May 2016£171,000
- Sold Jan 2008£149,000
Similar Properties Sold Nearby
Since 2017 243 properties similar to 12, Castle Avenue, Northampton have sold within a radius of 550 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 7th April 2026, was 22, Limehurst Close, Northampton, NN5 6TH, a freehold house which sold for £260,050.
Read more about house prices in NN5.
- Sold Apr 2026£260,050 | 3 Bed House22, Limehurst Close, Northampton, NN5 6TH22, Limehurst Close, Northampton, NN5 6TH
- Sold Feb 2025£288,000 | 3 Bed House5, Newton Road, Northampton, NN5 6TL5, Newton Road, Northampton, NN5 6TL
- Sold Feb 2025£280,000 | 3 Bed House30, Northfield Road, Northampton, NN5 6SW30, Northfield Road, Northampton, NN5 6SW
- Sold Jan 2025£255,000 | 3 Bed House44, Castle Avenue, Northampton, NN5 6LF44, Castle Avenue, Northampton, NN5 6LF
- Sold Oct 2024£286,000 | 3 Bed House64, Eastfield Road, Northampton, NN5 6TQ64, Eastfield Road, Northampton, NN5 6TQ
Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Explore Nearby Properties
The surrounding properties have an average estimated value of £258,375, ranging from £228,595 to £288,958.
- 10 Castle Avenue
3 Bed House | 8 m | Est. Value: £252,351
- 14 Castle Avenue
4 Bed House | 12 m | Est. Value: £276,510
- 8 Castle Avenue
3 Bed House | 19 m | Est. Value: £257,939
- 16 Castle Avenue
3 Bed House | 19 m | Est. Value: £251,943
- 6 Castle Avenue
3 Bed House | 26 m | Est. Value: £252,620
Location Comparison
Of the 79 addresses on Castle Avenue, Northampton, NN5, 12, Castle Avenue, Northampton comes out as the 26th largest and the 26th most expensive in our analysis of the public data.
It is also £3k less expensive than the average property across the NN5 district.
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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
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.
