Our Data Sources
20, Portstone Close, Northampton has a single entry in the Land Registry from June 2021 and a single entry in the EPC database dated November 2020.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
Price Range & Condition
In very good condition, we estimate 20, Portstone Close, Northampton would be worth £481,735, with a potential rental value of £1,683 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £426,680, with a rental value of £1,491 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
20, Portstone Close, Northampton occupies a 1,666 m2 plot as recorded by HM Land Registry.
All 9 other houses in this postcode have recorded plot sizes, and this one ranks as the largest.
Energy Efficiency
20, Portstone Close, Northampton has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 09 Nov 2020.
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
20, Portstone Close, Northampton last changed hands on 29th June 2021, selling for £423,750. 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 dropped by 7.0% since June 2021.
- Sold Jun 2021£423,750
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 85 sales of comparable properties within 650 metres of 20, Portstone Close, Northampton since 2015.
Most recently, 12, Knighton Close, Northampton, NN5 6NE, a freehold house, sold at £420,000 on the 16th March 2026.
Read more about house prices in NN5.
- Sold Mar 2026£420,000 | 4 Bed House12, Knighton Close, Northampton, NN5 6NE12, Knighton Close, Northampton, NN5 6NE
- Sold Dec 2025£425,000 | 4 Bed House15, Harrison Road, Northampton, NN5 6UY15, Harrison Road, Northampton, NN5 6UY
- Sold Aug 2025£430,000 | 4 Bed House20, Irons Road, Northampton, NN5 6WL20, Irons Road, Northampton, NN5 6WL
- Sold Jul 2025£425,000 | 4 Bed House89, Duston Wildes, Northampton, NN5 6NR89, Duston Wildes, Northampton, NN5 6NR
- Sold May 2025£415,000 | 4 Bed House19, Harrison Road, Northampton, NN5 6UY19, Harrison Road, Northampton, NN5 6UY
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 £394,265, ranging from £132,817 to £631,895.
- 18 Portstone Close
5 Bed House | 25 m | Est. Value: £512,202
- 9 Pine Copse Close
4 Bed House | 32 m | Est. Value: £553,217
- 11 Portstone Close
4 Bed House | 35 m | Est. Value: £446,680
- 14 Portstone Close
5 Bed House | 46 m | Est. Value: £494,287
- 7 Pine Copse Close
5 Bed House | 50 m | Est. Value: £612,092
Location Comparison
Our analysis of the public data ranks 20, Portstone Close, Northampton as the 7th largest and the 7th most expensive of the 19 addresses on Portstone Close, Northampton, NN5.
Against the NN5 postcode district average, it is £203k more expensive than the typical property.
More reading links
Schools Nearby
- Duston Eldean Primary School600 m away
- Hopping Hill Primary School1.5 km away
- Harlestone Primary School2.0 km away
- Malcolm Arnold Academy4.5 km away
- Kingsthorpe College5.0 km away
- Northampton School for Girls5.7 km away
More reading links
Public Transport Nearby
- Northampton|4.2 km away
- Long Buckby|9.7 km away
- Wellingborough|19.7 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.












