12 The Octagon is a two-bedroom semi-detached house in Corby (NN17 1DW). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1930-1949 and council tax band A. The latest certificate (June 2019) shows a D (score 61), on the cusp of jumping into the C band. When first surveyed in January 2009 the rating was E, the property has climbed 1 band since. Between certificates, lighting went from Poor to Good. The recommended improvements would lift it to B (score 87), a 2-band jump.
Sale prices here have outpaced England HPI: 5.4% per year against 0% for the wider region. Today's modelled estimate of £187,000 is 28.1% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£191/sq ft) was about 83.3% above the typical sold price in the postcode. One planning record on file: an extension approved in 2004. Past consents include an extension, meaningful when judging how the property has evolved. Most recent transfer: January 2021 at £146,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Recommended upgrades on file would lift this property by multiple EPC bands.
12 The Octagon has an approved single-storey front extension on the planning record.
Extension: Single storey · Front of property
Single storey front extension
Sale price has at least doubled since 2003.
£187,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.4% per year over 18 years.
£146,000
Growth on file: 5.4% per year over 18 years.
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On price per m², 12 The Octagon stands well clear of the street.
Price per m²
£2,056
Street avg £1,517
Floor Area
71 m²
Street avg 90 m²
Habitable Rooms
3 rooms
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
(Lloyds) The Octagon — bus stop.

Daytime· 07:00 – 23:00
51.2dB

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Changes detected from historical EPC data
Loft insulation upgraded to recommended levels
More low energy lighting installed
Full planning data for 12 The Octagon, Corby, NN17 1DW
Every application and decision on this property and nearby, in full, in the report.
28 January 2021Most recent
£146,000
+38.4%over 14 years21 July 2006
£105,500
+81.9%over 3 years27 June 2003
£58,000
Median price across the last 5 sales in NN17 1DW: £116,000 (2018–2014).
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
3.8 t/year
Street avg 3.9 t/year
NN17 1UR
Closest school
0.4 km
Rockingham Primary School. 15 schools nearby.
Night-time· 23:00 – 07:00
42.6dB