9a, Hardingstone Lane, Hardingstone, Northampton, NN4 6DF
About 9a
9a is a detached house in Hardingstone, Northampton, Northampton (NN4 6DF). It has a recorded floor area of 105 m² (around 1130 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (January 2018) shows a D (score 62), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 82), a 2-band jump.
Held since June 2001 — that's 25 years off the open market, well above the local norm. Today's modelled estimate of £429,000 sits 200% above the 2001 sale of £143,000. On a £-per-square-foot basis, the last sale (£127/sq ft) was about 55.3% below the postcode norm. At 105 m² it's 17.6% smaller than the typical home in the postcode (128 m² median across 8 EPCs).
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
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Planning history
9a has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Latest sale on 9a was the lowest on Land Registry record across the postcode.
£429,000
Modelled from EPC, postcode comparables.
£143,000
Recorded with HM Land Registry.
Sales timeline
13 June 2001Most recent
£143,000
Median price across the last 5 sales in NN4 6DF: £480,000 (2025–2020).
Nearby sales in NN4 6DF
31 Hardingstone Lane, Hardingstone, Northampton, NN4 6DF
Sold Sept 2025
£810,00023 Hardingstone Lane, Hardingstone, Northampton, NN4 6DF
Sold Jun 2024
£435,0009 Hardingstone Lane, Hardingstone, Northampton, NN4 6DF
Sold Aug 2023
£565,00011 Hardingstone Lane, Hardingstone, Northampton, NN4 6DF
Sold Jun 2020
£480,00019 Hardingstone Lane, Hardingstone, Northampton, NN4 6DF
Sold Mar 2020
£420,000
Versus other Hardingstone Lane homes
9a is notably below the street on price per m².
Price per m²
£1,362
Street avg £3,596
Floor Area
105 m²
Street avg 151 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
4.9 t/year
Street avg 6.7 t/year
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The neighbourhood at a glance
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Martins Lane — bus stop.
Closest school
0.6 km
Wootton Park School. 18 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
58.5dB

Night-time· 23:00 – 07:00
51.1dB







