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Get started4 Northfield Green is a one-bedroom end-of-terrace house in East Haddon, Northampton, Northampton (NN6 8BJ). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 1991-1995 and council tax band B. The latest certificate (November 2022) shows a C (score 71). The rating has held steady at C across 2 certificates since October 2012. Between certificates, roof efficiency went from Average to Good. The recommended improvements would push it to B (score 89).
Sale prices here have outpaced England HPI: 7.2% per year against 0% for the wider region. Today's modelled estimate of £170,000 is 21.4% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£283/sq ft) was about 41.4% above the typical sold price in the postcode. At 46 m² it sits well below the postcode median (171 m² across 12 EPCs), making it one of the more compact homes locally. Last sold in December 2015, so it's been off the market for around 10 years. Across the public record there are 4 sales, relatively high churn for a single property.
4 Northfield Green has more than tripled in price since its earliest registered sale in 1997.
£170,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.2% per year over 18 years.
£140,000
Growth on file: 7.2% per year over 18 years.
On co₂ emissions, 4 Northfield Green stands well clear of the street.
Price per m²
£3,043
Street avg £2,861
Floor Area
46 m²
Street avg 145 m²
Habitable Rooms
2 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
45.2dB

Changes detected from historical EPC data
Loft insulation upgraded to recommended levels
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21 December 2015Most recent
£140,000
+33.3%over 10 years30 November 2005
£105,000
+105.9%over 6 years19 March 1999
£51,000
+27.7%over 1 year26 November 1997
£39,950
Median price across the last 5 sales in NN6 8BJ: £170,000 (2025–2018).
5 Northfield Green East Haddon Northampton
Sold Sept 2025
17 Northfield Green East Haddon Northampton
Sold Feb 2025
11 Northfield Green East Haddon Northampton
Sold Jun 2021
2 Northfield Green East Haddon Northampton
Sold Jan 2020
6 Northfield Green East Haddon Northampton
Sold Nov 2017
Street avg 6 rooms
CO₂ Emissions
1.8 t/year
Street avg 5.1 t/year
NN6 8HN
Hall Gardens — bus stop.
Closest school
0.3 km
East Haddon Church of England Primary School. 1 school nearby.
Night-time· 23:00 – 07:00
37.6dB
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