Our Data Sources
12, Kelmarsh Avenue, Northampton has a single entry in the Land Registry from August 2021 and a single entry in the EPC database dated August 2021.
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 12, Kelmarsh Avenue, Northampton would be worth £334,766, with a potential rental value of £1,475 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £296,507, with a rental value of £1,307 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
12, Kelmarsh Avenue, Northampton occupies a 273 m2 plot as recorded by HM Land Registry.
Of the 19 other houses in this postcode, 16 have recorded plot sizes, and this one ranks as the 2nd largest.
Energy Efficiency
12, Kelmarsh Avenue, Northampton has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 27 Aug 2021.
The property is connected to mains gas and has high performance glazing. It is heated using a boiler and radiators (mains gas).
Sold Prices
12, Kelmarsh Avenue, Northampton last changed hands on 31st August 2021, selling for £307,950. 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 3.7% since August 2021.
- Sold Aug 2021£307,950
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 384 sales of comparable properties within 740 metres of 12, Kelmarsh Avenue, Northampton since 2020.
Most recently, 45, Campus Drive, Northampton, NN2 7FL, a freehold house, sold at £295,000 on the 27th February 2026.
Read more about house prices in NN2.
- Sold Feb 2026£295,000 | 3 Bed House45, Campus Drive, Northampton, NN2 7FL45, Campus Drive, Northampton, NN2 7FL
- Sold Feb 2026£340,000 | 3 Bed House51, Ashton Way, Northampton, NN2 7AR51, Ashton Way, Northampton, NN2 7AR
- Sold Feb 2026£325,000 | 3 Bed House20, Lamport Lane, Northampton, NN2 7DW20, Lamport Lane, Northampton, NN2 7DW
- Sold Dec 2025£300,000 | 3 Bed House32, Ashton Way, Northampton, NN2 7AR32, Ashton Way, Northampton, NN2 7AR
- Sold Sep 2025£340,000 | 3 Bed House161, Campus Drive, Northampton, NN2 7FX161, Campus Drive, Northampton, NN2 7FX
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 £314,988, ranging from £232,114 to £435,845.
- 14 Kelmarsh Avenue
2 Bed House | 9 m | Est. Value: £242,592
- 16 Kelmarsh Avenue
2 Bed House | 13 m | Est. Value: £242,592
- 18 Kelmarsh Avenue
4 Bed House | 24 m | Est. Value: £343,435
- 20 Kelmarsh Avenue
4 Bed House | 29 m | Est. Value: £343,435
- 21 Academy Drive
3 Bed House | 32 m | Est. Value: £294,885
Location Comparison
Our analysis of the public data ranks 12, Kelmarsh Avenue, Northampton as the 8th largest and the 8th most expensive of the 19 addresses on Kelmarsh Avenue, Northampton, NN2.
Against the NN2 postcode district average, it is £71k more expensive than the typical property.
More reading links
Schools Nearby
- All Saints CofE VA Primary School300 m away
- Sunnyside Primary Academy600 m away
- Green Oaks Primary Academy900 m away
- Kingsthorpe College200 m away
- Northampton School for Girls1.0 km away
- St Thomas Becket Catholic School1.5 km away
More reading links
Public Transport Nearby
- Northampton|4.2 km away
- Long Buckby|14.0 km away
- Wellingborough|14.5 km away
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.





