Are you a property professional?Get qualified leads from motivated homeowners.
Get startedAre you a property professional?Get qualified leads from motivated homeowners.
Get started5 Cowper Close is a three-bedroom semi-detached house in Irthlingborough, Wellingborough, Wellingborough (NN9 5PE). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (January 2017) shows an E (score 45), well below the UK norm with real room to improve. Earlier certificates rated it D (January 2011); the latest reading is one band lower. Between certificates, main heating went from Average to Good; while wall efficiency dropped from Average to Poor and roof efficiency dropped from Very Good to Good. The recommended improvements would lift it to B (score 82), a 3-band jump. The home occupies a cul-de-sac position.
Sale prices here have outpaced England HPI: 5.8% per year against 0% for the wider region. Today's modelled estimate of £232,000 sits 80.5% above the 2014 sale of £128,500. 12 years since the last transfer (June 2014). Across the public record there are 4 sales, relatively high churn for a single property.
5 Cowper Close's carbon output runs well above what efficient homes in the postcode produce.
Sale price has at least doubled since 2001.
£232,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.8% per year over 13 years.
£128,500
Growth on file: 5.8% per year over 13 years.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed AI analysis
An AI-written breakdown of everything that matters
On years held, 5 Cowper Close stands well clear of the street.
Price per m²
£1,512
Street avg £1,821
Floor Area
85 m²
Street avg 83 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
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

Daytime· 07:00 – 23:00
47.4dB

Launch offer
Secure checkout · One-off payment

13 June 2014Most recent
£128,500
+13.7%over 3 years27 May 2011
£113,000
+50.7%over 9 years8 February 2002
£75,000
+21.0%over 7 months16 July 2001
£62,000
Median price across the last 5 sales in NN9 5PE: £112,000 (2025–2001).
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
Plus much more
Comparable sales, transport, crime, schools and more

CO₂ Emissions
6.2 t/year
Street avg 3.6 t/year
NN9 5DY
Thomas Flawn Road — bus stop.
Closest school
0.8 km
Irthlingborough Nursery and Infant School. 10 schools nearby.
Night-time· 23:00 – 07:00
38.7dB