Are you a property professional?Get qualified leads from motivated homeowners.
Get startedAre you a property professional?Get qualified leads from motivated homeowners.
Get started12 Diamond Drive is a four-bedroom semi-detached house in Irthlingborough, Wellingborough, Wellingborough (NN9 5PT). It has a recorded floor area of 109 m² (around 1173 sq ft), construction records dating it to 1967-1975 and council tax band B. The latest certificate (January 2026) shows a C (score 71). The rating has held steady at C across 4 certificates since November 2013. Between certificates, lighting went from Good to Very Good; while roof efficiency dropped from Good to Average and window efficiency dropped from Average to Poor. This certificate was lodged in the last six months, so the rating reflects current condition. The home occupies a corner plot.
Today's modelled estimate of £309,000 sits 106% above the 2014 sale of £150,000. On the market in April 2014 and unlisted since — roughly 12 years.
The EPC has just been inspected, so the rating reflects current condition.
12 Diamond Drive valuation sits well clear of the typical sold price in this postcode.
£309,000
Modelled from EPC, postcode comparables.
£150,000
Recorded with HM Land Registry.
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 co₂ emissions, 12 Diamond Drive stands well clear of the street.
Price per m²
£1,376
Street avg £1,856
Floor Area
109 m²
Street avg 99 m²
Habitable Rooms
5 rooms
Street avg 5 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

Launch offer
Secure checkout · One-off payment

Changes detected from historical EPC data
Low energy lighting percentage decreased
Cavity wall insulation installed
Loft insulation upgraded to recommended levels
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
17 April 2014Most recent
£150,000
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

CO₂ Emissions
2.8 t/year
Street avg 3.8 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