Our Data Sources
70, Castle Avenue, Northampton has no recent1 records in the Land Registry and a single entry in the EPC database dated September 2014.
We combine this information with public data 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.
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 70, Castle Avenue, Northampton is in very good condition we estimate a sale value of £274,950 and a rental value of £1,436 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £243,527 and a rental value of £1,272 per month.
Plot Size
According to data from HM Land Registry, 70, Castle Avenue, Northampton sits on a plot of 264 m2.
We have plot size data on 29 out of 36 other houses in the postcode and 70, Castle Avenue, Northampton sits on the 25th largest plot.
Energy Efficiency
70, Castle Avenue, Northampton has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 08 Sep 2014.
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
According to HM Land Registry, 70, Castle Avenue, Northampton was last sold on 4th August 2006 for £149,000 and was recorded as a freehold house.
The property has had 2 sales since 1995.
- Sold Aug 2006£149,000
- Sold Apr 2004£111,000
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 197 sales of properties similar to 70, Castle Avenue, Northampton within a radius of 560 metres since 2020.
The most recent example is 22, Limehurst Close, Northampton, NN5 6TH, a freehold house which sold for £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 Oct 2025£245,000 | 3 Bed House160, Main Road, Northampton, NN5 6RE160, Main Road, Northampton, NN5 6RE
- 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 Apr 2025£258,000 | 3 Bed House3, Kenilworth Close, Northampton, NN5 6LD3, Kenilworth Close, Northampton, NN5 6LD
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 £236,771, ranging from £112,429 to £357,476.
- 68 Castle Avenue
4 Bed House | 11 m | Est. Value: £329,482
- 72 Castle Avenue
3 Bed House | 13 m | Est. Value: £260,558
- 1B Barnard Close
3 Bed House | 18 m | Est. Value: £298,975
- 66 Castle Avenue
3 Bed House | 20 m | Est. Value: £243,548
- 1A Barnard Close
4 Bed House | 27 m | Est. Value: £357,476
Location Comparison
Castle Avenue, Northampton, NN5 has a total of 79 addresses. According to our analysis of all the public data, 70, Castle Avenue, Northampton is the 17th largest and the 20th most expensive property on the street.
When compared to the postcode district it is £6k 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.





