17 Claystones, Northampton, NN4 9UY
About 17 Claystones
17 Claystones is a four-bedroom detached house in Northampton (NN4 9UY). It has a recorded floor area of 203 m² (around 2185 sq ft), construction records dating it to 1983-1990 and council tax band E. Other recorded features include a conservatory. Records show the property has been extended at some point in its history. The latest certificate (April 2024) shows a C (score 72).
At 203 m² the property is well over the postcode median (105 m² across 17 EPCs), placing it in the larger end of the local stock. It changed hands recently, sold August 2025 for £625,000. 6 planning records sit against the property, 6 approved, 0 refused. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. On a £-per-square-foot basis, the last sale (£286/sq ft) was about 62.2% above the typical sold price in the postcode.
What this property has
Inside
- Bedrooms4
- Bathrooms3
- Open-plan layoutYes
- Utility roomYes
- EnsuiteYes
- ConservatoryYes
Outside
- Private gardenFront and rear
- GarageDouble
Building
- Central heatingYes
- Previously extendedYes
Everything you need to know about 17 Claystones
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
17 Claystones'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 £1,155 · Includes VAT
Planning history
17 Claystones has 2 separate extension applications on the council record.
6 applications on record at 17 Claystones, Northampton, NN4 9UY
- Sept 2000ExtensionFullOutcome in report
EXTENSION OF ROOF INCORPORATING FRONT DORMER
- Documents
- 7 docs on file
- Reference
- N/2000/848
- More recent applications — locked
- FullNov 2010Decision
- ExtensionNov 2007Decision
+ 3 more applications in the report
Unlock 17 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- Every decision — granted, refused or withdrawn (6 on record)
- All 6 applications on this property in full
- The 49 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Latest sale on 17 Claystones was the highest on Land Registry record across the postcode.
£636,000
Modelled from EPC, postcode comparables.
£625,000
Recorded with HM Land Registry.
Sales timeline
21 August 2025Most recent
£625,000
Median price across the last 5 sales in NN4 9UY: £345,000 (2025–2021).
Nearby sales in NN4 9UY
Versus other Claystones homes
17 Claystones is notably below the street on years held.
Price per m²
£3,079
Street avg £2,802
Floor Area
203 m²
Street avg 111 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
6.1 t/year
Street avg 4.6 t/year
Everything you need to know about 17 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