25 Southfield Road is a detached house in Gretton, Corby, Corby (NN17 3BX). It has a recorded floor area of 214 m² (around 2303 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (January 2015) shows an F (score 38), near the bottom of the EPC scale. Earlier certificates rated it D (November 2012); the latest reading is 2 bands lower. Between certificates, roof efficiency dropped from Good to Very Poor and window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 84), a 4-band jump. The latest certificate is from January 2015, so improvements made since then won't be reflected.
Sale prices here have outpaced England HPI: 4.7% per year against 0% for the wider region. At 214 m² the property is well over the postcode median (96 m² across 21 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. One planning record on file: an extension approved in 2007. Past consents include an extension, meaningful when judging how the property has evolved. Most recent transfer: December 2023 at £390,000.
25 Southfield Road sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
This certificate is over 10 years old and is no longer valid.Expired 14 Jan 2025
25 Southfield Road has an approved single-storey rear extension on the planning record.
Extension: Single storey · Rear of property
First floor extensions to rear of property
Sale price has at least doubled since 2002.
£420,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.7% per year over 21 years.
£390,000
Growth on file: 4.7% per year over 21 years.
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On epc rating, 25 Southfield Road runs well behind the street norm.
Price per m²
£1,822
Street avg £2,145
Floor Area
214 m²
Street avg 123 m²
Habitable Rooms
6 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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Full planning data for 25 Southfield Road, Gretton, Corby, NN17 3BX
Every application and decision on this property and nearby, in full, in the report.
11 December 2023Most recent
£390,000
+34.5%over 9 years20 October 2014
£290,000
+100.0%over 12 years2 August 2002
£145,000
Median price across the last 5 sales in NN17 3BX: £250,000 (2025–2020).
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
16.0 t/year
Street avg 4.4 t/year
Gretton Village Hall — bus stop.
Closest school
0.4 km
Gretton Primary Academy. 1 school nearby.
Night-time· 23:00 – 07:00
36.1dB