9 Greenfield Avenue, Northampton, NN3 2AA
About 9 Greenfield Avenue
9 Greenfield Avenue is a four-bedroom semi-detached house in Northampton (NN3 2AA). It has a recorded floor area of 136 m² (around 1464 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (April 2024) shows a D (score 65), on the cusp of jumping into the C band. When first surveyed in June 2010 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Good and lighting went from Average to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would lift it to B (score 83), a 2-band jump. Records show the property has been extended at some point in its history.
At 136 m² it's 19.3% larger than the typical home in the postcode (114 m² median across 21 EPCs). Today's modelled estimate of £421,000 is 12.3% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£256/sq ft) was about 28.6% above the typical sold price in the postcode. Last sale on file: £375,000 in August 2024.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- EnsuiteYes
Outside
- Private gardenYes
- ParkingOff road
Building
- Previously extendedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Windows upgraded, improving insulation
Roof insulation improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,020 · Includes VAT
Planning history
9 Greenfield Avenue has no planning applications on record.
But the area is active
22 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
9 Greenfield Avenue valuation sits well clear of the typical sold price in this postcode.
£421,000
Modelled from EPC, postcode comparables.
£375,000
Recorded with HM Land Registry.
Sales timeline
8 August 2024Most recent
£375,000
Median price across the last 5 sales in NN3 2AA: £400,000 (2023–2022).
Nearby sales in NN3 2AA
29 Greenfield Avenue, Northampton, NN3 2AA
Sold Aug 2023
£400,00024 Greenfield Avenue, Northampton, NN3 2AA
Sold Jul 2023
£355,00031b, Greenfield Avenue, Northampton, NN3 2AA
Sold Oct 2022
£785,00017 Greenfield Avenue, Northampton, NN3 2AA
Sold Oct 2022
£425,00013 Greenfield Avenue, Northampton, NN3 2AA
Sold Apr 2022
£340,000
Versus other Greenfield Avenue homes
On years held, 9 Greenfield Avenue runs well behind the street norm.
Price per m²
£2,757
Street avg £2,626
Floor Area
136 m²
Street avg 126 m²
Habitable Rooms
4 rooms
Street avg 6 rooms
CO₂ Emissions
5.7 t/year
Street avg 5.8 t/year
Similar properties nearby
The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Highlands Avenue — bus stop.
Closest school
0.4 km
Eastfield Academy. 37 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
49.8dB

Night-time· 23:00 – 07:00
39.9dB







