50 Kelvin Grove is a semi-detached house in Corby (NN17 1AZ). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (January 2021) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since April 2010. Between certificates, lighting went from Poor to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would lift it to B (score 88), a 2-band jump.
Sale prices here have outpaced England HPI: 6.1% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£244/sq ft) was about 75.8% above the typical sold price in the postcode. Sold June 2024 for £209,950. Across the public record there are 6 sales, relatively high churn for a single property. At 80 m² it's 15.9% larger than the typical home in the postcode (69 m² median across 33 EPCs).
Recommended upgrades on file would lift this property by multiple EPC bands.
No planning applications are recorded against 50 Kelvin Grove, Corby, NN17 1AZ. The full report also covers planning activity across the surrounding area.
Full planning data for 50 Kelvin Grove, Corby, NN17 1AZ
Every application and decision on this property and nearby, in full, in the report.
Sale price has at least doubled since 2005.
£223,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.1% per year over 19 years.
£209,950
Growth on file: 6.1% per year over 19 years.
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Detailed analysis
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Habitable Rooms for 50 Kelvin Grove runs comfortably ahead of the street norm.
Price per m²
£2,624
Street avg £1,904
Floor Area
80 m²
Street avg 70 m²
Habitable Rooms
5 rooms
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Glenmoor House — bus stop.

Daytime· 07:00 – 23:00
49.2dB

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Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
14 June 2024Most recent
£209,950
+14.1%over 2 years5 July 2021
£184,000
+11.9%over 3 years4 May 2018
£164,500
+4.8%over 11 months19 May 2017
£157,000
+30.8%over 4 years28 September 2012
£119,995
+71.4%over 6 years5 December 2005
£70,000
Median price across the last 5 sales in NN17 1AZ: £185,000 (2025–2024).
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 4 rooms
CO₂ Emissions
3.7 t/year
Street avg 3.7 t/year
NN17 1UR
Closest school
0.2 km
Rockingham Primary School. 16 schools nearby.
Night-time· 23:00 – 07:00
40.2dB