Our Data Sources
20, Grassmere Avenue, Northampton has a single entry in the Land Registry from May 2022 and no records in the EPC database.
We combine this sold price information with public data of neighbouring properties to estimate the attributes and values.
The local information is scored as 3 out of 5 and is considered of medium 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 20, Grassmere Avenue, Northampton, we estimate a market value of £335,494 and a rental value of £1,483 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £297,152 and £1,314 per month respectively.
Plot Size
HM Land Registry records the plot of land for 20, Grassmere Avenue, Northampton as measuring 607 m2.
That makes it the 6th largest plot in the postcode, where 45 of the 47 other houses have recorded plot data.
Sold Prices
The most recent sale of 20, Grassmere Avenue, Northampton completed on 27th May 2022 at £280,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have dropped by 12.0% over the period since May 2022.
- Sold May 2022£280,000
Similar Properties Sold Nearby
Since 2017 157 properties similar to 20, Grassmere Avenue, Northampton have sold within a radius of 680 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 12th December 2025, was 11, Beechwood Drive, Northampton, NN3 3DW, a freehold house which sold for £338,000.
Read more about house prices in NN3.
- Sold Dec 2025£338,000 | 3 Bed House11, Beechwood Drive, Northampton, NN3 3DW11, Beechwood Drive, Northampton, NN3 3DW
- Sold Jul 2025£270,000 | 3 Bed House27, Ashley Way, Northampton, NN3 3DZ27, Ashley Way, Northampton, NN3 3DZ
- Sold May 2025£280,000 | 3 Bed House32, Firtree Walk, Northampton, NN3 3DT32, Firtree Walk, Northampton, NN3 3DT
- Sold Dec 2024£260,000 | 3 Bed House65, Charnwood Avenue, Northampton, NN3 3EE65, Charnwood Avenue, Northampton, NN3 3EE
- Sold Oct 2024£280,000 | 3 Bed House41, Oaklands Drive, Northampton, NN3 3JN41, Oaklands Drive, Northampton, NN3 3JN
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 £279,664, ranging from £225,897 to £335,990.
- 18 Grassmere Avenue
2 Bed House | 6 m | Est. Value: £255,637
- 22 Grassmere Avenue
3 Bed House | 11 m | Est. Value: £240,233
- 16 Grassmere Avenue
3 Bed House | 19 m | Est. Value: £256,912
- 14 Grassmere Avenue
3 Bed House | 26 m | Est. Value: £242,143
- 26 Grassmere Avenue
3 Bed House | 27 m | Est. Value: £253,300
Location Comparison
Of the 47 addresses on Grassmere Avenue, Northampton, NN3, 20, Grassmere Avenue, Northampton comes out as the 25th largest and the 11th most expensive in our analysis of the public data.
It is also £49k more expensive than the average property across the NN3 district.
More reading links
Schools Nearby
- Lumbertubs Primary School800 m away
- Weston Favell CofE Primary School900 m away
- Headlands Primary School900 m away
- Northampton Academy400 m away
- Weston Favell Academy600 m away
- St Thomas Becket Catholic School2.2 km away
More reading links
Public Transport Nearby
- Northampton|5.0 km away
- Wellingborough|12.3 km away
- Kettering|17.0 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.












