20 Claystones, Northampton, NN4 9UY
About 20 Claystones
20 Claystones is a property in Northampton (NN4 9UY). It has council tax band E.
It hasn't traded since May 2004, a hold of 22 years that's notably long for the area. One planning record on file: an extension approved in 2022. Past consents include an extension, meaningful when judging how the property has evolved. Across 1999–2004, sale prices on this property compounded at 15.9% per year.
Energy performance
No EPC on record
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Planning history
20 Claystones has an approved single-storey rear extension on the planning record.
1 application on record at 20 Claystones, Northampton, NN4 9UY
- Aug 2022ExtensionAmendmentOutcome in report
Extension: Single storey · Rear of property
Lawful Development Certificate for existing single storey rear extension
Retrospective- Documents
- 8 docs on file
- Reference
- WNN/2022/0363
Unlock 20 Claystones, Northampton, NN4 9UY's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full
- The 8 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
20 Claystones has more than doubled in price since the earliest registered sale in 1999.
£239,995
Growth on file: 15.9% per year over 5 years.
Sales timeline
20 May 2004Most recent
£239,995
+10.3%over 1 year9 April 2003
£217,500
+89.1%over 3 years24 May 1999
£115,000
Median price across the last 5 sales in NN4 9UY: £345,000 (2025–2022).
Nearby sales in NN4 9UY
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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







