27 Kelvin Grove is a semi-detached house in Corby (NN17 1AZ). It has a recorded floor area of 89 m² (around 958 sq ft), construction records dating it to 1930-1949 and council tax band A. The latest certificate (July 2024) shows a C (score 70). When first surveyed in November 2012 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Good and window efficiency went from Very Poor to Good. The recommended improvements would push it to B (score 86).
Sale prices here have outpaced England HPI: 10.2% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£266/sq ft) was about 90.4% above the typical sold price in the postcode. It changed hands recently, sold January 2025 for £255,000. One planning record on file: an extension approved in 2016. Past consents include an extension and a porch, meaningful when judging how the property has evolved. At 89 m² it's 29% larger than the typical home in the postcode (69 m² median across 33 EPCs). Its energy rating outperforms most of the postcode (better than 82% of similar EPCs).
Extension: Rear of property
single story extension to rear and porch to front of dwelling
Latest sale on 27 Kelvin Grove was the highest on Land Registry record across the postcode.
£248,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.2% per year over 11 years.
£255,000
Growth on file: 10.2% per year over 11 years.
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On floor area, 27 Kelvin Grove stands well clear of the street.
Price per m²
£2,865
Street avg £1,895
Floor Area
89 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
Heating controls upgraded for better temperature management
Single glazing replaced with double or better glazing
Wall insulation improved
Roof insulation improved
More low energy lighting installed
Full planning data for 27 Kelvin Grove, Corby, NN17 1AZ
Every application and decision on this property and nearby, in full, in the report.
28 January 2025Most recent
£255,000
+131.8%over 9 years31 July 2015
£110,000
+23.6%over 1 year4 April 2014
£89,000
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
3.3 t/year
Street avg 3.7 t/year
NN17 1BE
Closest school
0.2 km
Rockingham Primary School. 16 schools nearby.
Night-time· 23:00 – 07:00
40.2dB