45, Grafton Underwood, Kettering, NN14 3AA
About 45
45 is a semi-detached house in Grafton Underwood, Kettering, Kettering (NN14 3AA). It has a recorded floor area of 65 m² (around 700 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (May 2018) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in December 2014 the rating was F, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Good, roof efficiency went from Very Poor to Good and window efficiency went from Very Poor to Good. The recommended improvements would lift it to A (score 109), a 3-band jump. Main heating runs on oil.
4 planning records sit against the property, 3 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved. On a £-per-square-foot basis, the last sale (£457/sq ft) was about 46% above the typical sold price in the postcode. At 65 m² it's 23.5% smaller than the typical home in the postcode (85 m² median across 25 EPCs). Sold September 2023 for £320,000.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Single glazing replaced with double or better glazing
Wall insulation improved
Roof insulation improved
Floor insulation added or improved
Low energy lighting percentage decreased
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 £955 · Includes VAT
Planning history
A a side and rear extension application was refused at 45 in 2023.
4 applications on record at 45, Grafton Underwood, Kettering, NN14 3AA
- Dec 2023ExtensionFullOutcome in report
Extension: Side and rear of property
Two storey side and single storey rear extension
- Documents
- 7 docs on file
- Reference
- NK/2023/0615
- More recent applications — locked
- ExtensionSept 2024Decision
- ExtensionMay 2024Decision
+ 1 more application in the report
Unlock 45, 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- Every decision — granted, refused or withdrawn (4 on record)
- All 4 applications on this property in full, plus 1 notable nearby
- The 30 documents, officer reports & conditions
- What the pattern means for extending or converting here
One time fee only - money back guarantee
Sales history & valuation
£350,000
Modelled from EPC, postcode comparables.
£320,000
Recorded with HM Land Registry.
Sales timeline
17 September 2023Most recent
£320,000
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
45 outperforms the street on co₂ emissions by a wide margin.
Price per m²
£4,923
Street avg £3,589
Floor Area
65 m²
Street avg 94 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
3.1 t/year
Street avg 7.0 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







