57a is a four-bedroom detached house in Gretton, Corby, Corby (NN17 3DB). It has a recorded floor area of 223 m² (around 2400 sq ft). The latest certificate (September 2020) shows a C (score 78), near the top of the C band. The recommended improvements would lift it to A (score 95), a 2-band jump. Main heating runs on electricity: electricity, unspecified tariff. The home occupies a corner plot.
At 223 m² the property is well over the postcode median (97 m² across 46 EPCs), placing it in the larger end of the local stock. On a £-per-square-foot basis, the last sale (£319/sq ft) was about 82.6% above the typical sold price in the postcode. Most recent transfer: April 2022 at £765,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. One historical planning record sits against the property in 2023.
Recommended upgrades on file would lift this property by multiple EPC bands.
Reduce height of Cherry tree (T1) by 3.5m
Latest sale on 57a was the highest on Land Registry record across the postcode.
£786,000
Modelled from EPC, postcode comparables.
£765,000
Recorded with HM Land Registry.
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Floor Area for 57a runs comfortably ahead of the street norm.
Price per m²
£3,430
Street avg £2,497
Floor Area
223 m²
Street avg 110 m²
CO₂ Emissions
3.8 t/year
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
44.1dB

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Full planning data for 57a, Kirby Road, Gretton, Corby, NN17 3DB
Every application and decision on this property and nearby, in full, in the report.
28 April 2022Most recent
£765,000
Median price across the last 5 sales in NN17 3DB: £315,000 (2025–2024).
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 4.7 t/year
Years Held
4 years
Street avg 8 years
NN17 3EP
(Gretton) Primary School — bus stop.
Closest school
0.2 km
Gretton Primary Academy. 1 school nearby.
Night-time· 23:00 – 07:00
36.2dB