6 Claystones, Northampton, NN4 9UY
About 6 Claystones
6 Claystones is a four-bedroom detached house in Northampton (NN4 9UY). It has a recorded floor area of 144 m² (around 1550 sq ft), construction records dating it to 1983-1990 and council tax band E. The latest certificate (December 2025) shows a C (score 73). When first surveyed in December 2012 the rating was D, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Average to Good and lighting went from Very Poor to Very Good; while roof efficiency dropped from Good to Average. This certificate was lodged in the last six months, so the rating reflects current condition. Other recorded features include a conservatory.
At 144 m² the property is well over the postcode median (105 m² across 17 EPCs), placing it in the larger end of the local stock. Across 1998–2021, sale prices on this property compounded at 6.1% per year. Today's modelled estimate of £482,000 is 25.2% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£248/sq ft) was about 37.6% above the typical sold price in the postcode. Most recent transfer: December 2021 at £385,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Dining roomYes
- Utility roomYes
- CloakroomYes
- EnsuiteYes
- ConservatoryYes
Outside
- Private gardenYes
- GarageDouble
Building
- RefurbishedYes
Everything you need to know about 6 Claystones
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Loft insulation upgraded to recommended levels
More low energy lighting installed
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Planning history
6 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
6 Claystones has more than quadrupled in price since its earliest registered sale in 1998.
£482,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.1% per year over 24 years.
£385,000
Growth on file: 6.1% per year over 24 years.
Sales timeline
22 December 2021Most recent
£385,000
+205.0%over 22 years25 October 1999
£126,250
+34.3%over 1 year20 February 1998
£94,000
Median price across the last 5 sales in NN4 9UY: £345,000 (2025–2022).
Nearby sales in NN4 9UY
Versus other Claystones homes
On epc rating, 6 Claystones stands well clear of the street.
Price per m²
£2,674
Street avg £2,826
Floor Area
144 m²
Street avg 114 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
4.1 t/year
Street avg 4.7 t/year
Everything you need to know about 6 Claystones
The true value, the hidden risks and the full sale history, in one report.
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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