20 Diamond Drive is a six-bedroom detached house in Corby (NN17 1EX). It has a recorded floor area of 204 m² (around 2196 sq ft) and construction records dating it to 2012 onwards. The latest certificate (April 2025) shows a C (score 80), near the top of the C band. Earlier certificates rated it B (November 2013); the latest reading is one band lower. Between certificates, roof efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 85).
At 204 m² the property is well over the postcode median (141 m² across 26 EPCs), placing it in the larger end of the local stock. 6 bedrooms is on the larger side for this postcode, where 3 is the typical count. Today's modelled estimate of £502,000 sits 86% above the 2014 sale of £269,950. On a £-per-square-foot basis, the last sale (£123/sq ft) was about 15.3% below the postcode norm. On the market in February 2014 and unlisted since — roughly 12 years.
Achieving this rating across a home of this size is uncommon — larger homes typically score lower.
No planning applications are recorded against 20 Diamond Drive, Corby, NN17 1EX. The full report also covers planning activity across the surrounding area.
Full planning data for 20 Diamond Drive, Corby, NN17 1EX
Every application and decision on this property and nearby, in full, in the report.
20 Diamond Drive valuation sits well clear of the typical sold price in this postcode.
£502,000
Modelled from EPC, postcode comparables.
£269,950
Recorded with HM Land Registry.
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Floor Area for 20 Diamond Drive runs comfortably ahead of the street norm.
Price per m²
£1,323
Street avg £1,764
Floor Area
204 m²
Street avg 135 m²
Habitable Rooms
10 rooms
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Madisons — bus stop.

Daytime· 07:00 – 23:00
50.8dB

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28 February 2014Most recent
£269,950
Median price across the last 5 sales in NN17 1EX: £273,000 (2024–2021).
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
Comparable sales data
Plus transport, crime, schools and air quality
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Street avg 6 rooms
CO₂ Emissions
4.2 t/year
Street avg 2.2 t/year
NN17 1YQ
Closest school
0.6 km
Corby Old Village Primary School. 17 schools nearby.
Night-time· 23:00 – 07:00
41.8dB