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Get started1 Diamond Drive is a four-bedroom detached house in Irthlingborough, Wellingborough, Wellingborough (NN9 5PT). It has a recorded floor area of 150 m² (around 1615 sq ft), construction records dating it to 1976-1982 and council tax band C. The latest certificate (March 2016) shows a C (score 74). When first surveyed in July 2011 the rating was D, the property has climbed 1 band since. Between certificates, lighting dropped from Very Good to Good. The recommended improvements would push it to B (score 86). The latest certificate is from March 2016, so improvements made since then won't be reflected. Records show the property has been extended at some point in its history.
At 150 m² the property is well over the postcode median (100 m² across 23 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £352,000 sits 69.6% above the 2016 sale of £207,500. On the market in January 2016 and unlisted since — roughly 10 years.
This certificate is over 10 years old and is no longer valid.Expired 14 Mar 2026
1 Diamond Drive valuation sits well clear of the typical sold price in this postcode.
£352,000
Modelled from EPC, postcode comparables.
£207,500
Recorded with HM Land Registry.
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1 Diamond Drive outperforms the street on floor area by a wide margin.
Price per m²
£1,383
Street avg £1,856
Floor Area
150 m²
Street avg 97 m²
Habitable Rooms
6 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
47.8dB

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Changes detected from historical EPC data
Cavity wall insulation installed
Loft insulation upgraded to recommended levels
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8 January 2016Most recent
£207,500
Median price across the last 5 sales in NN9 5PT: £275,000 (2025–2021).
9 Diamond Drive Irthlingborough Wellingborough
Sold Aug 2025
15 Diamond Drive Irthlingborough Wellingborough
Sold Apr 2025
36 Diamond Drive Irthlingborough Wellingborough
Sold Sept 2024
44 Diamond Drive Irthlingborough Wellingborough
Sold Jan 2022
42 Diamond Drive Irthlingborough Wellingborough
Sold Aug 2021
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

Street avg 5 rooms
CO₂ Emissions
4.8 t/year
Street avg 3.7 t/year
NN9 5AR
Cowper Close — bus stop.
Closest school
0.8 km
Irthlingborough Nursery and Infant School. 10 schools nearby.
Night-time· 23:00 – 07:00
38.7dB