Our Data Sources
18, Portstone Close, Northampton has no records in the Land Registry and a single entry in the EPC database dated May 2026.
We combine this information with public data 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 18, Portstone Close, Northampton would be worth £537,812, with a potential rental value of £1,920 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £476,348, with a rental value of £1,701 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
18, Portstone Close, Northampton occupies a 533 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 4th largest.
Energy Efficiency
18, Portstone Close, Northampton has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 22 May 2026.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 50 sales of comparable properties within 640 metres of 18, Portstone Close, Northampton since 2012.
Most recently, 20, Chardonnay Close, Northampton, NN5 6QU, a freehold house, sold at £472,500 on the 26th September 2025.
Read more about house prices in NN5.
- Sold Sep 2025£472,500 | 5 Bed House20, Chardonnay Close, Northampton, NN5 6QU20, Chardonnay Close, Northampton, NN5 6QU
- Sold Aug 2025£430,000 | 4 Bed House20, Irons Road, Northampton, NN5 6WL20, Irons Road, Northampton, NN5 6WL
- Sold Jul 2025£605,000 | 5 Bed House10, Lumley Drive, Northampton, NN5 6UH10, Lumley Drive, Northampton, NN5 6UH
- Sold Jun 2024£450,000 | 4 Bed House15, St. Julien Close, Northampton, NN5 6QX15, St. Julien Close, Northampton, NN5 6QX
- Sold Nov 2022£180,000 | 5 Bed House274B, Main Road, Northampton, NN5 6PP274B, Main Road, Northampton, NN5 6PP
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 £468,157, ranging from £132,817 to £680,854.
- 20 Portstone Close
4 Bed House | 25 m | Est. Value: £458,795
- 14 Portstone Close
5 Bed House | 28 m | Est. Value: £494,287
- 15 Portstone Close
5 Bed House | 36 m | Est. Value: £592,895
- 11 Portstone Close
4 Bed House | 37 m | Est. Value: £446,680
- 5 Katherine Close
5 Bed House | 56 m | Est. Value: £680,854
Location Comparison
Our analysis of the public data ranks 18, Portstone Close, Northampton as the 3rd largest and the 3rd most expensive of the 19 addresses on Portstone Close, Northampton, NN5.
Against the NN5 postcode district average, it is £256k more expensive than the typical property.
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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.
