26 Cowgill Close, Northampton, NN3 8PB
About 26 Cowgill Close
26 Cowgill Close is a four-bedroom detached house in Northampton (NN3 8PB). It has a recorded floor area of 102 m² (around 1098 sq ft), construction records dating it to 1976-1982 and council tax band D. The latest certificate (June 2021) shows a D (score 68), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since August 2011. Between certificates, lighting went from Average to Very Good; while wall efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 86), a 2-band jump.
At 102 m² the property is well over the postcode median (72 m² across 24 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. Across 1997–2022, sale prices on this property compounded at 6.8% per year. On a £-per-square-foot basis, the last sale (£287/sq ft) was about 88.1% above the typical sold price in the postcode. Sold November 2022 for £315,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms4
- Bathrooms1
Everything you need to know about 26 Cowgill Close
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Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
More low energy lighting installed
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Planning history
26 Cowgill Close has an approved rear extension on the planning record.
2 applications on record at 26 Cowgill Close, Northampton, NN3 8PB
- Mar 2005ConservatoryFullOutcome in report
Extension: Rear of property
REAR CONSERVATORY
Extension- Documents
- 5 docs on file
- Reference
- N/2005/0213
- More recent applications — locked
- OutbuildingMay 2007Decision
Unlock 26 Cowgill Close, Northampton, NN3 8PB's full planning history
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- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 20 notable nearby
- The 24 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
Latest sale on 26 Cowgill Close was the highest on Land Registry record across the postcode.
£333,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.8% per year over 25 years.
£315,000
Growth on file: 6.8% per year over 25 years.
Sales timeline
11 November 2022Most recent
£315,000
+83.1%over 9 years12 November 2012
£172,000
+173.0%over 15 years31 October 1997
£63,000
+5.0%26 June 1997
£60,000
Median price across the last 5 sales in NN3 8PB: £230,000 (2025–2023).
Nearby sales in NN3 8PB
Versus other Cowgill Close homes
Floor Area for 26 Cowgill Close runs comfortably ahead of the street norm.
Price per m²
£3,088
Street avg £2,471
Floor Area
102 m²
Street avg 79 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.9 t/year
Street avg 3.4 t/year
Everything you need to know about 26 Cowgill Close
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
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Maidencastle — bus stop.
Closest school
0.4 km
Blackthorn Primary School. 21 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
53.8dB

Night-time· 23:00 – 07:00
44.0dB






