7a is a detached house in Corby (NN17 1AR). It has a recorded floor area of 49 m² (around 527 sq ft) and construction records dating it to before 1900. The latest certificate (September 2019) shows an E (score 44), well below the UK norm with real room to improve. When first surveyed in February 2011 the rating was G, the property has climbed 2 bands since. Between certificates, roof efficiency went from Poor to Good, window efficiency went from Average to Good and lighting went from Very Poor to Very Good. The recommended improvements would lift it to C (score 76), a 2-band jump. Main heating runs on electricity. At 49 m² this is the 9th smallest of 25 units on EPC record in the building, where floor areas span 32–224 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (44 versus a best of 80).
It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs).
Recommended upgrades on file would lift this property by multiple EPC bands.
No planning applications are recorded against 7a, Tunwell Lane, Corby, NN17 1AR. The full report also covers planning activity across the surrounding area.
Full planning data for 7a, Tunwell Lane, Corby, NN17 1AR
Every application and decision on this property and nearby, in full, in the report.
7a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£118,000
Modelled from EPC, postcode comparables.
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Everything we know about this property, compiled into one in-depth, downloadable report.
Detailed analysis
A written breakdown of everything that matters
On epc rating, 7a runs well behind the street norm.
EPC Rating
44 (E)
Street avg 65 (D)
Floor Area
49 m²
Street avg 50 m²
CO₂ Emissions
4.0 t/year
Street avg 3.0 t/year
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
(Corby) Tyre & Auto — bus stop.

Daytime· 07:00 – 23:00
55.4dB

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Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Windows upgraded, improving insulation
Roof insulation improved
More low energy lighting installed
Median price across the last 5 sales in NN17 1AR: £131,000 (2024–2022).
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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Habitable Rooms
2 rooms
Street avg 3 rooms
NN17 1XF
Closest school
0.1 km
Corby Old Village Primary School. 16 schools nearby.
Night-time· 23:00 – 07:00
47.0dB