Our Data Sources
21, Calder Green, Northampton has 3 entries in the Land Registry, most recently in February 2016 and a single entry in the EPC database dated January 2026.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 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 21, Calder Green, Northampton, we estimate a market value of £216,394 and a rental value of £1,189 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £191,663 and £1,053 per month respectively.
Plot Size
HM Land Registry records the plot of land for 21, Calder Green, Northampton as measuring 305 m2.
That makes it the 5th largest plot in the postcode, where 17 of the 19 other houses have recorded plot data.
Energy Efficiency
21, Calder Green, Northampton has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 03 Jan 2026.
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
The most recent sale of 21, Calder Green, Northampton completed on 12th February 2016 at £149,950 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 3 times.
Values of comparable properties have risen by 62.7% over the period since February 2016.
- Sold Feb 2016£149,950
- Sold Jan 2014£114,950
- Sold Jun 2007£116,000
Similar Properties Sold Nearby
Since 2011 188 properties similar to 21, Calder Green, Northampton have sold within a radius of 650 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 9th February 2026, was 22, Church Green, Northampton, NN5 7LS, a freehold house which sold for £225,000.
Read more about house prices in NN5.
- Sold Feb 2026£225,000 | 3 Bed House22, Church Green, Northampton, NN5 7LS22, Church Green, Northampton, NN5 7LS
- Sold Jan 2026£235,000 | 3 Bed House1, St. Margarets Gardens, Northampton, NN5 7HG1, St. Margarets Gardens, Northampton, NN5 7HG
- Sold Jul 2025£225,000 | 3 Bed House27, Mordaunt Lane, Northampton, NN5 7RJ27, Mordaunt Lane, Northampton, NN5 7RJ
- Sold May 2025£195,000 | 3 Bed House69, Tresham Green, Northampton, NN5 7RU69, Tresham Green, Northampton, NN5 7RU
- Sold Jan 2025£250,000 | 3 Bed House29, West Oval, Northampton, NN5 7JL29, West Oval, Northampton, NN5 7JL
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 £162,304, ranging from £102,742 to £243,762.
- 50 Brookside Meadows
2 Bed House | 16 m | Est. Value: £142,945
- 16 Calder Green
4 Bed House | 27 m | Est. Value: £243,762
- 14 Calder Green
3 Bed House | 28 m | Est. Value: £206,576
- 52 Brookside Meadows
2 Bed House | 30 m | Est. Value: £139,010
- 86 Bourne Crescent
2 Bed Flat | 32 m | Est. Value: £129,098
Location Comparison
Of the 19 addresses on Calder Green, Northampton, NN5, 21, Calder Green, Northampton comes out as the 6th largest and the 7th most expensive in our analysis of the public data.
It is also £50k less expensive than the average property across the NN5 district.
More reading links
Schools Nearby
- St Mary's Catholic Primary School300 m away
- Kings Heath Primary Academy300 m away
- Chiltern Primary School800 m away
- Malcolm Arnold Academy2.4 km away
- Kingsthorpe College3.3 km away
- Northampton School for Girls3.8 km away
More reading links
Public Transport Nearby
- Northampton|2.4 km away
- Long Buckby|11.7 km away
- Wellingborough|17.9 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












