NN17 postcode area guide — North Northamptonshire

Where is NN17?

Broadband & internet speeds in NN17

Excellent coverage

Broadband availability in the NN17 postcode district (North Northamptonshire) is Excellent — gigabit-capable full fibre is widely available. Across the 821 postcodes Ofcom measures in NN17, superfast broadband (30 Mbit/s or faster) reaches 96.8% of premises and gigabit-capable lines are available to 83.1%.

Around 0.1% of premises in NN17 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 NN17

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):

Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.

Crime in NN17

Police recorded 92 incidents within about a mile of the centre of NN17 in May 2026 (latest published street-level data). The breakdown:

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 NN17

Based on 375 sales registered with HM Land Registry in the last 12 months, the median sold price in NN17 is £227,500, down 7.1% on the previous year (£245,000).

Latest recorded sales in NN17

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):

Source: ONS Census 2021 (district level — the finest openly licensed cut we republish). © Crown copyright, OGL v3.0.

Schools in and around NN17

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 NN17

291 rated food businesses operate in NN17. 238 hold the top rating of 5, 21 are rated 4, and 7 are rated 2 or below.

Among the 5-rated: 1st Class Cuisine / 51st Street, 1st Class Day Nursery, 7 Day Euro Limited, A Tasca, Adam Green Grocer Limited.

Source: Food Standards Agency, food hygiene ratings (FHRS) open data.

Energy performance (EPC) in NN17

From a sample of 163 Energy Performance Certificates across 10 NN17 postcodes, the most common rating is band C (average band C). 64% of sampled homes are rated C or better.

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 NN17 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 NN17?

Postcodes in NN17

Neighbouring districts

All Northampton (NN) postcode districts ›

Frequently asked questions

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.