1 Cowper Close, Irthlingborough, Wellingborough, NN9 5PE
About 1 Cowper Close
1 Cowper Close is a three-bedroom semi-detached house in Irthlingborough, Wellingborough, Wellingborough (NN9 5PE). It has a recorded floor area of 77 m² (around 829 sq ft), construction records dating it to 1976-1982 and council tax band B. The latest certificate (February 2015) shows a D (score 59), a step below the typical UK home. The recommended improvements would lift it to B (score 86), a 2-band jump. The latest certificate is from February 2015, so improvements made since then won't be reflected. The home occupies a cul-de-sac position.
Across 1995–2015, sale prices on this property compounded at 6.3% per year. Today's modelled estimate of £207,000 sits 56.8% above the 2015 sale of £132,000. On a £-per-square-foot basis, the last sale (£159/sq ft) was about 44% above the typical sold price in the postcode. 11 years since the last transfer (May 2015).
What this property has
Inside
- Bedrooms3
- Bathrooms1
Outside
- GarageSingle
- Cul-de-sacYes
Building
- Heating systemGas
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 05 Feb 2025
EPC Rating
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Planning history
1 Cowper Close 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
Sale price has grown by over 3x since 1995.
£207,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.3% per year over 20 years.
£132,000
Growth on file: 6.3% per year over 20 years.
Sales timeline
21 May 2015Most recent
£132,000
+17.9%over 8 years26 October 2006
£112,000
+180.0%over 11 years28 September 1995
£40,000
Median price across the last 5 sales in NN9 5PE: £113,000 (2025–2002).
Nearby sales in NN9 5PE
6 Cowper Close, Irthlingborough, Wellingborough, NN9 5PE
Sold Aug 2025
£100,0002 Cowper Close, Irthlingborough, Wellingborough, NN9 5PE
Sold Aug 2021
£225,0005 Cowper Close, Irthlingborough, Wellingborough, NN9 5PE
Sold Jun 2014
£128,5003 Cowper Close, Irthlingborough, Wellingborough, NN9 5PE
Sold Nov 2001
£95,000
Versus other Cowper Close homes
On floor area, 1 Cowper Close runs well behind the street norm.
Price per m²
£1,714
Street avg £1,753
Floor Area
77 m²
Street avg 86 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
4.3 t/year
Street avg 4.2 t/year
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Thomas Flawn Road — bus stop.
Closest school
0.8 km
Irthlingborough Nursery and Infant School. 10 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
47.4dB

Night-time· 23:00 – 07:00
38.7dB







