9 Claystones, Northampton, NN4 9UY
About 9 Claystones
9 Claystones is a semi-detached house in Northampton (NN4 9UY). It has a recorded floor area of 86 m² (around 922 sq ft), construction records dating it to 1991-1995 and council tax band E. The latest certificate (May 2010) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 75). The latest certificate is from May 2010, so improvements made since then won't be reflected.
It hasn't traded since February 2002, a hold of 24 years that's notably long for the area. Today's modelled estimate of £359,000 sits 117.6% above the 2002 sale of £165,000. At 86 m² it's 19.9% smaller than the typical home in the postcode (107 m² median across 17 EPCs).
Energy performance
9 Claystones's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 11 May 2020
EPC Rating
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Planning history
9 Claystones has no planning applications on record.
A planning report still maps activity across the surrounding area and reads this property's extension & conversion potential.
Sales history & valuation
9 Claystones valuation sits well clear of the typical sold price in this postcode.
£359,000
Modelled from EPC, postcode comparables.
£165,000
Recorded with HM Land Registry.
Sales timeline
1 February 2002Most recent
£165,000
Median price across the last 5 sales in NN4 9UY: £345,000 (2025–2022).
Nearby sales in NN4 9UY
Versus other Claystones homes
9 Claystones outperforms the street on years held by a wide margin.
Price per m²
£1,925
Street avg £2,870
Floor Area
86 m²
Street avg 118 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
6.0 t/year
Street avg 4.6 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.3 km
Ladymead Close — bus stop.
Closest school
0.9 km
Hunsbury Park Primary 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
56.1dB

Night-time· 23:00 – 07:00
46.8dB







