Our Data Sources
4, Castle Avenue, Northampton has a single entry in the Land Registry from September 2019 and a single entry in the EPC database dated June 2019.
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
In very good condition, we estimate 4, Castle Avenue, Northampton would be worth £265,251, with a potential rental value of £1,407 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £234,936, with a rental value of £1,246 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
4, Castle Avenue, Northampton occupies a 255 m2 plot as recorded by HM Land Registry.
Of the 36 other houses in this postcode, 29 have recorded plot sizes, and this one ranks as the 28th largest.
Energy Efficiency
4, Castle Avenue, Northampton has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 11 Jun 2019.
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
4, Castle Avenue, Northampton last changed hands on 3rd September 2019, selling for £202,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 20.8% since September 2019.
- Sold Sep 2019£202,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 243 sales of comparable properties within 550 metres of 4, Castle Avenue, Northampton since 2017.
Most recently, 22, Limehurst Close, Northampton, NN5 6TH, a freehold house, sold at £260,050 on the 7th April 2026.
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 Jul 2025£265,000 | 3 Bed House12, Castle Avenue, Northampton, NN5 6LF12, Castle Avenue, Northampton, NN5 6LF
- Sold Feb 2025£288,000 | 3 Bed House5, Newton Road, Northampton, NN5 6TL5, Newton Road, Northampton, NN5 6TL
- Sold Feb 2025£296,000 | 3 Bed House39, Whitefield Road, Northampton, NN5 6SJ39, Whitefield Road, Northampton, NN5 6SJ
- Sold Feb 2025£280,000 | 3 Bed House30, Northfield Road, Northampton, NN5 6SW30, Northfield Road, Northampton, NN5 6SW
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 £243,654, ranging from £111,887 to £284,573.
- 2 Castle Avenue
3 Bed House | 11 m | Est. Value: £257,939
- 6 Castle Avenue
3 Bed House | 11 m | Est. Value: £252,620
- 8 Castle Avenue
3 Bed House | 18 m | Est. Value: £257,939
- 2 Limehurst Road
3 Bed House | 23 m | Est. Value: £284,573
- 10 Castle Avenue
3 Bed House | 28 m | Est. Value: £252,351
Location Comparison
Our analysis of the public data ranks 4, Castle Avenue, Northampton as the 28th largest and the 28th most expensive of the 79 addresses on Castle Avenue, Northampton, NN5.
Against the NN5 postcode district average, it is £3k less expensive than the typical property.
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
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












