43, Grafton Underwood, Kettering, NN14 3AA
About 43
43 is a four-bedroom detached house in Grafton Underwood, Kettering, Kettering (NN14 3AA). It has a recorded floor area of 181 m² (around 1948 sq ft), construction records dating it to before 1900 and council tax band F. The latest certificate (August 2024) shows an F (score 33), near the bottom of the EPC scale. The rating has held steady at F across 2 certificates since June 2010. Between certificates, roof efficiency went from Very Poor to Poor, window efficiency went from Very Poor to Good and lighting went from Good to Very Good. The recommended improvements would lift it to C (score 76), a 3-band jump. Main heating runs on oil.
It hasn't traded since September 2003, a hold of 23 years that's notably long for the area. At 181 m² the property is well over the postcode median (80 m² across 25 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 84% of similar EPCs). Today's modelled estimate of £578,000 sits 50.1% above the 2003 sale of £385,000. On a £-per-square-foot basis, the last sale (£198/sq ft) was about 37.4% below the postcode norm. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include new windows and an extension, meaningful when judging how the property has evolved.
What this property has
Inside
- Bedrooms4
- Bathrooms2
- CloakroomYes
- EnsuiteYes
Outside
- Private gardenYes
- ParkingOff road
Building
- RefurbishedYes
Energy performance
43's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Single glazing replaced with double or better glazing
Roof insulation improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has no mains gas supply, we believe a Level 3 building survey should be considered.
From £1,085 · Includes VAT
Planning history
2 applications on record at 43, Grafton Underwood, Kettering, NN14 3AA
- Apr 2011ExtensionFullOutcome in report
Extension: Rear of property
Single storey rear extension and roof alterations
- Documents
- 7 docs on file
- Reference
- KET/2011/0103
- More recent applications — locked
- RenovationSept 2019Decision
Unlock 43, Grafton Underwood, Kettering, NN14 3AA's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 1 notable nearby
- The 16 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
43 valuation sits well clear of the typical sold price in this postcode.
£578,000
Modelled from EPC, postcode comparables.
£385,000
Recorded with HM Land Registry.
Sales timeline
25 September 2003Most recent
£385,000
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
On price per m², 43 runs well behind the street norm.
Price per m²
£2,127
Street avg £3,706
Floor Area
181 m²
Street avg 89 m²
Habitable Rooms
8 rooms
Street avg 5 rooms
CO₂ Emissions
13.0 t/year
Street avg 6.7 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







