31a, Greenfield Avenue, Northampton, NN3 2AA
About 31a
31a is a four-bedroom detached house in Northampton (NN3 2AA). It has a recorded floor area of 297 m² (around 3197 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (May 2019) shows a D (score 59), a step below the typical UK home. The recommended improvements would push it to C (score 70). Records show the property has been extended at some point in its history.
It hasn't traded since March 1997, a hold of 29 years that's notably long for the area. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. At 297 m² the property is well over the postcode median (114 m² across 21 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £705,000 sits 487.5% above the 1997 sale of £120,000. On a £-per-square-foot basis, the last sale (£38/sq ft) was about 81.4% below the postcode norm. 5 planning records sit against the property, 4 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenYes
- GarageSingle, Detached
Building
- Previously extendedYes
- RefurbishedYes
Energy performance
31a's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £1,220 · Includes VAT
Planning history
31a has been through 4 approved planning applications — a well-evolved property.
5 applications on record at 31a, Greenfield Avenue, Northampton, NN3 2AA
- Jul 2005ExtensionFullOutcome in report
Extension: Single storey · Rear of property
SINGLE STOREY REAR EXTENSION
- Documents
- 11 docs on file
- Reference
- N/2005/0781
- More recent applications — locked
- OutlineSept 2015Decision
- AmendmentMay 2011Decision
+ 2 more applications in the report
Unlock 31a, Greenfield Avenue, Northampton, NN3 2AA's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (5 on record)
- All 5 applications on this property in full, plus 22 notable nearby
- The 131 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
31a's modelled value sits at over four times its earliest registered sale price (1997).
£705,000
Modelled from EPC, postcode comparables.
£120,000
Recorded with HM Land Registry.
Sales timeline
10 March 1997Most recent
£120,000
Median price across the last 5 sales in NN3 2AA: £400,000 (2024–2022).
Nearby sales in NN3 2AA
9 Greenfield Avenue, Northampton, NN3 2AA
Sold Aug 2024
£375,00029 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
£425,000
Versus other Greenfield Avenue homes
Price per m² for 31a lags the street by a wide margin.
Price per m²
£404
Street avg £2,764
Floor Area
297 m²
Street avg 119 m²
Habitable Rooms
9 rooms
Street avg 5 rooms
CO₂ Emissions
12.0 t/year
Street avg 5.5 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







