46, Grafton Underwood, Kettering, NN14 3AA
About 46
46 is a three-bedroom semi-detached house in Grafton Underwood, Kettering, Kettering (NN14 3AA). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to 1930-1949 and council tax band C. The latest certificate (June 2019) shows an E (score 39), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since April 2009. Between certificates, roof efficiency dropped from Average to Very Poor and window efficiency dropped from Poor to Very Poor. The recommended improvements would lift it to B (score 81), a 3-band jump. Main heating runs on oil.
At 68 m² it's 20% smaller than the typical home in the postcode (85 m² median across 25 EPCs). Today's modelled estimate of £331,000 is 29.8% above the 2020 sale price. Most recent transfer: May 2020 at £255,000.
What this property has
Inside
- Bedrooms3
Outside
- ParkingOff road
Building
- RefurbishedYes
Energy performance
46's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Low energy lighting percentage decreased
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
46 has no planning applications on record.
But the area is active
1 notable application nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£331,000
Modelled from EPC, postcode comparables.
£255,000
Recorded with HM Land Registry.
Sales timeline
28 May 2020Most recent
£255,000
Median price across the last 5 sales in NN14 3AA: £372,000 (2025–2024).
Nearby sales in NN14 3AA
25, Grafton Underwood, Kettering, NN14 3AA
Sold Jul 2025
£480,00027, Grafton Underwood, Kettering, NN14 3AA
Sold Mar 2025
£375,00033, Grafton Underwood, Kettering, NN14 3AA
Sold Mar 2025
£315,00049, Grafton Underwood, Kettering, NN14 3AA
Sold Jan 2025
£372,00032, Grafton Underwood, Kettering, NN14 3AA
Sold Nov 2024
£255,000
Versus the street
46 is notably below the street on epc rating.
Price per m²
£3,750
Street avg £3,638
Floor Area
68 m²
Street avg 94 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
6.4 t/year
Street avg 6.9 t/year
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Post Office — bus stop.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
43.6dB

Night-time· 23:00 – 07:00
35.7dB







