66 Pen Green Lane is a four-bedroom semi-detached house in Corby (NN17 1BL). It has a recorded floor area of 99 m² (around 1066 sq ft), construction records dating it to 1930-1949 and council tax band B. The latest certificate (May 2025) shows a D (score 68), on the cusp of jumping into the C band. Earlier certificates rated it C (July 2022); the latest reading is one band lower. Between certificates, wall efficiency went from Very Poor to Poor; while roof efficiency dropped from Good to Average and window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 85), a 2-band jump. Our model identifies extension potential, subject to local planning policy.
Sale prices here have outpaced England HPI: 0.6% per year against 0.1% for the wider region. Today's modelled estimate of £227,000 sits 62.1% above the 2025 sale of £140,000. On a £-per-square-foot basis, the last sale (£131/sq ft) was about 60.1% above the typical sold price in the postcode. A recent sale: £140,000 in August 2025. At 99 m² it's 25.3% larger than the typical home in the postcode (79 m² median across 7 EPCs).
Recommended upgrades on file would lift this property by multiple EPC bands.
No planning applications are recorded against 66 Pen Green Lane, Corby, NN17 1BL. The full report also covers planning activity across the surrounding area.
Full planning data for 66 Pen Green Lane, Corby, NN17 1BL
Every application and decision on this property and nearby, in full, in the report.
66 Pen Green Lane's sale-price growth has lagged the wider UK trajectory across its history on file.
£227,000
Modelled from EPC, postcode comparables and a sale-price growth of 0.6% per year over 20 years.
£140,000
Growth on file: 0.6% per year over 20 years.
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On years held, 66 Pen Green Lane runs well behind the street norm.
Price per m²
£1,414
Street avg £1,998
Floor Area
99 m²
Street avg 86 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
0.2 km

Daytime· 07:00 – 23:00
49.9dB

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Changes detected from historical EPC data
Wall insulation improved
8 August 2025Most recent
£140,000
+12.0%over 19 years30 November 2005
£125,000
Median price across the last 5 sales in NN17 1BL: £195,000 (2022–2019).
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
3.9 t/year
Street avg 5.0 t/year
NN17 1UR
Whitworth Avenue — bus stop.
Closest school
0.3 km
Rockingham Primary School. 13 schools nearby.
Night-time· 23:00 – 07:00
41.1dB