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 £333,000 is 30.6% 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
Certificate validity
Valid until 9 June 2029
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.
£333,000
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: £480,000 (2025–2025).
Nearby sales in NN14 3AA
25, Grafton Underwood, Kettering, NN14 3AA
Sold Jul 2025
£480,000Measure House, Grafton Underwood, Kettering, NN14 3AA
Sold Jun 2025
£800,000Dukes Mill House, Grafton Underwood, Kettering, NN14 3AA
Sold Mar 2025
£500,00027, Grafton Underwood, Kettering, NN14 3AA
Sold Mar 2025
£375,00033, Grafton Underwood, Kettering, NN14 3AA
Sold Mar 2025
£315,000
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
172/mo
Falling 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







