5 Southfield Road is a three-bedroom detached house in Gretton, Corby, Corby (NN17 3BX). It has a recorded floor area of 117 m² (around 1259 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (January 2026) shows a C (score 72). When first surveyed in March 2017 the rating was E, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Very Poor to Good and main heating went from Poor to Good. This certificate was lodged in the last six months, so the rating reflects current condition.
Today's modelled estimate of £307,000 sits 52% above the 2017 sale of £202,000. One planning record on file: an extension approved in 2018. Past consents include an extension, meaningful when judging how the property has evolved. At 117 m² it's 21.9% larger than the typical home in the postcode (96 m² median across 21 EPCs). Last changed hands 9 years ago, in May 2017.
The EPC has just been inspected, so the rating reflects current condition.
Extension: Rear of property
Extension to rear of property, new sloping roof to wash house and extension incorporating a velux window
5 Southfield Road valuation sits well clear of the typical sold price in this postcode.
£307,000
Modelled from EPC, postcode comparables.
£202,000
Recorded with HM Land Registry.
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Detailed analysis
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5 Southfield Road outperforms the street on habitable rooms by a wide margin.
Price per m²
£1,726
Street avg £2,151
Floor Area
117 m²
Street avg 128 m²
Habitable Rooms
7 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
43.7dB

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Changes detected from historical EPC data
Switched from oil to mains gas, reducing emissions and costs
Hot water system upgraded
More low energy lighting installed
Full planning data for 5 Southfield Road, Gretton, Corby, NN17 3BX
Every application and decision on this property and nearby, in full, in the report.
12 May 2017Most recent
£202,000
Median price across the last 5 sales in NN17 3BX: £270,000 (2025–2022).
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 5 rooms
CO₂ Emissions
3.7 t/year
Street avg 5.0 t/year
NN17 3NA
Gretton Village Hall — bus stop.
Closest school
0.4 km
Gretton Primary Academy. 1 school nearby.
Night-time· 23:00 – 07:00
36.1dB