NN15 Postcode Data
Property data for the NN15 postcode district covering North Northamptonshire. Sold prices, crime statistics, energy performance, and demographic insights, all from HM Land Registry, Police UK, and the EPC Register.
Quick answer
The average sale price in NN15 is £425,747 (median £414,995), based on 67 HM Land Registry transactions. Police UK recorded 141 crimes within a 1-mile radius in 2026-03. The average EPC rating across 153 certified properties is 85/100.
Headline pricing in NN15 is above the UK national average (England & Wales average ~£290k as of 2025). Stock is dominated by detached properties (53 of the last 67 sales). Energy efficiency here is stronger than the UK average (Band C/D territory).
Avg sale price
£425,747
67 sales
Median price
£414,995
Crime incidents
141
2026-03
Avg EPC score
85/100
153 certs
Recent sold prices
Latest 30 property sales in the NN15 area, sourced from HM Land Registry Price Paid Data.
detached
£444,171
53 sales
terraced
£284,281
7 sales
semi-detached
£281,182
6 sales
| Date | Address | Type | Price |
|---|---|---|---|
| Feb 2026 | 31, BUGBROOKE LANE, KETTERING | terraced | £275,000 |
| Jun 2025 | 1, GRASMOOR CLOSE, KETTERING | detached | £446,338 |
| Jun 2025 | 3, GRASMOOR CLOSE, KETTERING | detached | £472,995 |
| May 2025 | 5, GRASMOOR CLOSE, KETTERING | detached | £461,995 |
| Mar 2025 | 16, GRASMOOR CLOSE, KETTERING | detached | £414,995 |
| Mar 2025 | 22, GRASMOOR CLOSE, KETTERING | semi-detached | £264,768 |
| Mar 2025 | 26, GRASMOOR CLOSE, KETTERING | detached | £389,496 |
| Mar 2025 | 24, GRASMOOR CLOSE, KETTERING | semi-detached | £259,346 |
| Feb 2025 | 28, GRASMOOR CLOSE, KETTERING | detached | £337,995 |
| Feb 2025 | 11, GRASMOOR CLOSE, KETTERING | detached | £389,496 |
| Feb 2025 | 20, GRASMOOR CLOSE, KETTERING | detached | £414,995 |
| Feb 2025 | 7, GRASMOOR CLOSE, KETTERING | detached | £409,995 |
| Dec 2024 | 14, GRASMOOR CLOSE, KETTERING | detached | £422,995 |
| Dec 2024 | 6, GRASMOOR CLOSE, KETTERING | detached | £413,721 |
| Dec 2024 | 13, GRASMOOR CLOSE, KETTERING | detached | £409,995 |
Crime in NN15
141 reported crimes within a 1-mile radius of the postcode centroid in 2026-03, from Police UK data.
Violent Crime
48
Anti Social Behaviour
33
Criminal Damage Arson
13
Other Theft
11
Vehicle Crime
10
Energy performance
Aggregate EPC stats from 153 recently-certified properties in the NN15 area.
Avg current score
85/100
Avg potential
94/100
Avg energy cost
£654/yr
Sample size
153
Rating distribution
A
4
B
149
C
0
D
0
E
0
F
0
G
0
Area information
- Local authority
- North Northamptonshire
- Country
- England
- Wards
- St Michael, Kettering Central, Ise
- Constituency
- Kettering
- Latitude
- 52.3826
- Longitude
- -0.7021
More for NN15
Typical property
What the typical NN15 property looks like
Area summary, buyer notes, researched facts
Council tax
North Northamptonshire 2025/26 rates
All bands, monthly cost, discounts
Sold prices tool
Full transaction history for NN15
HM Land Registry from 1995
Corporate freeholders
Companies registered in NN15
Live Companies House data + PSCs
EPC checker
Look up any NN15 address
Energy ratings + improvement options
Crime checker
Local breakdown for NN15
Police UK monthly data
Want a full property report?
Get an AI-powered report for any specific NN15 address. Valuation, flood risk, planning history, schools and more.
Get a Property ReportData sources & methodology
Sold prices: HM Land Registry Price Paid Data, the official UK government records updated monthly. Sample uses the 30 most recent registered transactions in the postcode area.
Crime: Police UK street-level crime data. Counts cover a 1-mile radius from the NN15 postcode centroid for the most recent month available (typically 2 months behind).
EPC: opendatacommunities.org, the official UK Energy Performance Certificate register. Aggregate stats from up to 30 most recent certificates in the postcode.
Area data: postcodes.io, open data from the Office for National Statistics.