NN3 postcode area guide — North Northamptonshire
House prices, crime, broadband speeds, mobile signal, schools and demographics for the NN3 postcode district in North Northamptonshire — every official dataset on one page.
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Where is NN3?
Broadband & internet speeds in NN3
Excellent coverage
Superfast (30Mb+)
99.1%
Ultrafast (300Mb+)
94.6%
Gigabit-capable
94.5%
Below USO (10Mb)
0%
Broadband availability in the NN3 postcode district (North Northamptonshire) is Excellent — gigabit-capable full fibre is widely available. Across the 1,291 postcodes Ofcom measures in NN3, superfast broadband (30 Mbit/s or faster) reaches 99.1% of premises and gigabit-capable lines are available to 94.5%.
Around 0% of premises in NN3 fall below the Universal Service Obligation (a minimum of 10 Mbit/s download and 1 Mbit/s upload), so the overwhelming majority of homes and businesses here can already order a decent fixed line. For a business that depends on its connection, the figures that matter most are gigabit and full-fibre availability — the symmetric, low-contention services we quote leased lines and FTTP against.
Sample postcodes in NN3
| Postcode | Superfast | Gigabit |
|---|---|---|
| NN3 1XF | 100% | 100% |
| NN3 2AA | 100% | 97.2% |
| NN3 2AB | 100% | 100% |
| NN3 2AD | 100% | 100% |
| NN3 2AF | 100% | 100% |
| NN3 2AG | 100% | 100% |
| NN3 2AH | 100% | 100% |
| NN3 2AJ | 100% | 100% |
| NN3 2AL | 100% | 100% |
| NN3 2AN | 100% | 100% |
Run a speed test to see what you're actually getting, or check your exact postcode.
Mobile signal around North Northamptonshire
Ofcom's coverage model for the wider North Northamptonshire district (172,437 premises):
4G indoors — all networks
86.1%
4G outdoors — all networks
99.2%
5G outdoors — all networks
65.2%
Voice indoors — all networks
92.4%
Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.
Crime in NN3
Police recorded 332 incidents within about a mile of the centre of NN3 in May 2026 (latest published street-level data). The breakdown:
| Category | Incidents | Share |
|---|---|---|
| Violence & sexual offences | 98 | 29.5% |
| Anti-social behaviour | 72 | 21.7% |
| Vehicle crime | 35 | 10.5% |
| Shoplifting | 29 | 8.7% |
| Criminal damage & arson | 21 | 6.3% |
| Other theft | 19 | 5.7% |
| Public order | 19 | 5.7% |
| Robbery | 12 | 3.6% |
Raw counts favour busy town centres — a high street with shops and nightlife records more incidents than a residential cul-de-sac. Source: police.uk open data (point sample around the district centroid).
House prices in NN3
Based on 742 sales registered with HM Land Registry in the last 12 months, the median sold price in NN3 is £262,500, up 1.4% on the previous year (£259,000).
Detached
£375,000
194 sales
Semi-detached
£260,000
295 sales
Terraced
£211,000
209 sales
Flat / maisonette
£145,000
32 sales
Latest recorded sales in NN3
| Date | Price | Type | Street | Postcode |
|---|---|---|---|---|
| 26 May 2026 | £185,380 | Terraced | Shadowfax Drive | NN3 8DB |
| 22 May 2026 | £290,000 | Detached | Fuchsia Close | NN3 3XJ |
| 11 May 2026 | £120,000 | Flat | Lunchfield Lane | NN3 7AB |
| 8 May 2026 | £227,000 | Semi-detached | Worcester Close | NN3 9GD |
| 8 May 2026 | £255,000 | Semi-detached | Chulmleigh Walk | NN3 3LP |
| 8 May 2026 | £275,000 | Semi-detached | Cottingham Drive | NN3 7LG |
| 8 May 2026 | £950,000 | Other | Edgemead Close | NN3 8RG |
| 8 May 2026 | £140,000 | Terraced | Windflower Place | NN3 5HA |
| 5 May 2026 | £160,000 | Flat | Wellingborough Road | NN3 3JB |
| 1 May 2026 | £430,000 | Detached | Princess Close | NN3 3NR |
Contains HM Land Registry data © Crown copyright and database right 2026, licensed under the Open Government Licence v3.0.
Who lives here? North Northamptonshire demographics
Census 2021 figures for the wider North Northamptonshire district (359,523 residents, 148,918 households):
| Age profile | |
|---|---|
| Under 15 | 19.6% |
| 15–29 | 22.4% |
| 30–44 | 19.9% |
| 45–64 | 20% |
| 65+ | 18.2% |
| Housing tenure | |
|---|---|
| Owner-occupied | 65% |
| Private rented | 18.6% |
| Social rented | 8.2% |
Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.
Schools in and around NN3
| School | Phase | Ages | Pupils | Postcode |
|---|---|---|---|---|
| Northampton Academy | Secondary | 11–18 | 1,712 | NN3 8NH |
| Northampton School for Girls | Secondary | 11–18 | 1,670 | NN3 6DG |
| Moulton School and Science College | Secondary | 11–18 | 1,450 | NN3 7SD |
| Weston Favell Academy | Secondary | 11–18 | 1,431 | NN3 3EZ |
| St Thomas Becket Catholic School | Secondary | 11–18 | 912 | NN3 6HT |
| Northampton School | Secondary | 11–16 | 650 | NN3 7TR |
| Bridgewater Primary School | Primary | 3–11 | 650 | NN3 3AF |
| Boothville Primary School | Primary | 3–11 | 601 | NN3 6JG |
Source: DfE Get Information about Schools (England & Wales). Check Ofsted report cards for inspection detail — headline one-word grades were retired in 2024.
Food hygiene ratings in NN3
363 rated food businesses operate in NN3. 226 hold the top rating of 5, 53 are rated 4, and 7 are rated 2 or below.
Among the 5-rated: Abbey House, Abington Park View Resid.Care Home, ALDI Stores Ltd, B & M Retail Ltd, Campus & Co.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Energy performance (EPC) in NN3
From a sample of 290 Energy Performance Certificates across 10 NN3 postcodes, the most common rating is band D (average band C). 49% of sampled homes are rated C or better.
Band B
17%
Band C
33%
Band D
39%
Band E
11%
Band F
1%
Source: MHCLG Energy Performance of Buildings Data (England & Wales), sampled at postcode level and refreshed monthly. Individual certificates are on each postcode’s page.
Phone area codes for North Northamptonshire
Landlines around NN3 typically use:
Had a call from an unknown number? Use our free UK phone number checker to see who called.
What's it like living in NN3?
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Moving to NN3? Sort your connectivity first
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Postcodes in NN3
Neighbouring districts
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Frequently asked questions
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Sources: HM Land Registry Price Paid Data, police.uk street-level crime, Ofcom Connected Nations, ONS Census 2021, DfE Get Information about Schools, Food Standards Agency FHRS — all © Crown copyright, licensed under the Open Government Licence v3.0. Figures are area aggregates; individual addresses vary. Energy performance (EPC) data will be added when our Open Data Communities registration is approved.