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Get started9 Northfield Green is a five-bedroom detached house in East Haddon, Northampton, Northampton (NN6 8BJ). It has a recorded floor area of 214 m² (around 2303 sq ft), construction records dating it to 1983-1990 and council tax band G. The latest certificate (January 2024) shows a C (score 70). The rating has held steady at C across 2 certificates since July 2009. Between certificates, roof efficiency dropped from Good to Average and hot-water efficiency dropped from Very Good to Good. Records show the property has been extended at some point in its history.
Untraded for 17 years, with the last transfer in September 2009. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. At 214 m² the property is well over the postcode median (145 m² across 12 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £677,000 sits 111.6% above the 2009 sale of £320,000. On a £-per-square-foot basis, the last sale (£139/sq ft) was about 30.6% below the postcode norm.
9 Northfield Green's carbon output runs well above what efficient homes in the postcode produce.
The latest sale fell during the post-2008 dip, often a low-water mark in price comparisons.
£677,000
Modelled from EPC, postcode comparables.
£320,000
Recorded with HM Land Registry.
Price per m² for 9 Northfield Green lags the street by a wide margin.
Price per m²
£1,495
Street avg £3,002
Floor Area
214 m²
Street avg 131 m²
Habitable Rooms
9 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

2 September 2009Most recent
£320,000
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
6.0 t/year
Street avg 4.7 t/year
NN6 8EG
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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