NN17 postcode

Broadband in NN17 5ZB

Corby, North Northamptonshire

Gigabit broadband is available at this postcode.

Best speed77% Gigabit
StandardSuperfastGigabit
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Free, independent comparison · Ofcom verified data · Updated 1 March 2026

Flood Risk

Very Low

Fibre (FTTP)

No

Best speed

77% Gigabit

Reviewed by Arthur TuringData last verified: 1 March 2026

Speed Calculator

Adjust the options below to see how much broadband speed your household needs.

2
18

HD uses ~5 Mbps per person. 4K uses ~25 Mbps.

Each person on calls needs around 10 Mbps.

Competitive gaming needs low latency as much as raw speed.

Cameras, thermostats, speakers and similar devices each use a few Mbps.

Estimated speed needed14 Mbps

Gigabit broadband (77% Gigabit) is available at NN17 5ZB. That covers your 14 Mbps needs with room to spare.

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Speed Test

Check your current download speed and see how it compares to what is available at NN17 5ZB.

The test downloads a 2 MB file from our server and measures how long it takes.

This test measures download speed only. Results vary depending on network conditions.

Broadband availability

Source: Ofcom Connected Nations 2025 (Jul 2025)

TechnologyAvailableCoverageTypical Speed
Standard (ADSL)77%
77%
10-20 Mbps
Superfast (30+ Mbps)77%
77%
30-80 Mbps
Ultrafast (100+ Mbps)77%
77%
100-300 Mbps
Full Fibre (FTTP)N/A
N/A
300-900 Mbps
Gigabit77%
77%
900-1,000 Mbps

Real-World Speeds at NN17 5ZB

Based on 2 Ookla Speedtest results (Q4 2025)

Download

148

Mbps

Upload

208

Mbps

Latency

9

ms

Tests

2

results

Source: Ookla Speedtest Open Data (CC BY-SA 4.0)

Cell Tower Coverage near NN17 5ZB

No cell towers found within 2 km. Mobile signal may be weak in this area.

Source: OpenStreetMap Contributors

Mobile coverage

4G & 5G coverage · Ofcom Connected Nations 2025

4G Outdoor

100%

4G Indoor

99.5%

5G Outdoor

96.2%

Networks with 4G

EEO2ThreeVodafone
Ofcom Connected Nations 2025 (Jul 2025) · Data at local authority area level

Crime summary

Based on Police.uk data for 2025-12

Total crimes last month: 165

violent crime32%52
anti social behaviour20%33
shoplifting12%20
burglary7%11
criminal damage arson7%11
other theft5%8
public order4%7
vehicle crime4%6
drugs3%5
other crime3%5
robbery2%3
possession of weapons1%2
bicycle theft1%1
theft from the person1%1

Schools nearby

Nearest schools within 5 miles · Ofsted ratings as at Jan 2026

SchoolTypeOfstedRatingDistance
Corby Old Village Primary SchoolCommunity schoolNot available★★★☆☆0.3 mi
Pen Green Centre for Children and Their FamiliesLocal authority nursery schoolNot available★★★☆☆0.6 mi
Rockingham Primary SchoolAcademy sponsor ledNot available★★★☆☆0.6 mi
Corby Technical SchoolFree schoolsNot available★★★☆☆0.9 mi
Our Lady of Walsingham Catholic Primary SchoolAcademy converterNot available★★★☆☆0.9 mi

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Flood risk

Zone 1

🟢

Very low flood risk

This postcode has no recorded flood risk from rivers or sea according to Environment Agency data.

Flood Zone

Zone 1

Risk Level

Very Low

Environment Agency / getthedata.com Open Flood Risk by Postcode

Air quality

Particulate matter & nitrogen dioxide levels

Good air quality

Air quality data not available.

PM2.5 (fine particles)3.4 μg/m³

WHO guideline: 15 μg/m³

PM10 (coarse particles)7.8 μg/m³

WHO guideline: 45 μg/m³

NO₂ (nitrogen dioxide)4 μg/m³

WHO guideline: 25 μg/m³

Open-Meteo Air Quality API (7-day average) · Guidelines: WHO 2021

Area demographics

Data for LSOA: North Northamptonshire 006A

Population

1,873

Census 2021

Density

620

per km² · Urban

Median Age

38

years (est.)

Estimated from area type (density-based); exact value requires Census TS007 age breakdown

Census 2021 (ONS via Nomis NM_2028_1, NM_2026_1)

Deprivation index (IMD)

English Indices of Deprivation 2019 · LSOA: E01026957

Overall IMD Decile

2 / 10

Most deprived

Ranked

5,762

of 32,844 areas

Decile 10 = least deprived 10% of England. Decile 1 = most deprived 10%. Based on Corby 003A (2019 boundaries).

DomainDecileRankAssessment
Income37,100Below average
Employment36,942Below average
Education246Most deprived
Health11Most deprived
Crime4N/ABelow average
English Indices of Deprivation 2019 (MHCLG)

Transport links

Nearest train stations and towns

Nearest train stations

No train stations found within 15 miles

NaPTAN · Straight-line distances

EV charging nearby

Public EV charging points within 5 miles

🔋

Believ

Type 2

6.7 mi

away

🔋

Believ

Type 2

6.7 mi

away

🔋

BP Pulse

Type 2

6.8 mi

away

🔋

BP Pulse

Type 2

6.8 mi

away

MFG Kettering Lower Street

CCS2 pointsMotor Fuel Group

6.9 mi

away

OpenStreetMap Overpass API (replaces decommissioned DFT National Chargepoint Registry, which closed Nov 2024) · Within 5 miles

Council tax bands

Band distribution for North Northamptonshire

C

Most common: Band C

1,841/yr · North Northamptonshire

A
12%£1,381
B
25%£1,611
C
28%£1,841
D
22%£2,071
E
9%£2,531
F
3%£2,991
G
1%£3,452

Annual council tax estimates for North Northamptonshire, 2024/25

Valuation Office Agency (VOA) · Check exact band at gov.uk

GP surgeries nearby

Nearest NHS GP practices

1

LAKESIDE HEALTHCARE

NN17 1TR·1.0 miles away
Not accepting

new patients

2

DR SUMIRA

NN17 1LG·1.3 miles away
Not accepting

new patients

3

ASPIRO HEALTHCARE STUDFALL MED CENTRE

NN17 1QP·1.3 miles away
Not accepting

new patients

4

CORBY URGENT CARE CENTRE

NN17 2UR·1.7 miles away
Not accepting

new patients

5

PRIORS HALL PHARMACY

NN17 5GT·1.7 miles away
Not accepting

new patients

NHS website (NHS.uk find a GP) · Nearest 3 GP practicesFind a GP →

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Living near NN17 5ZB

Corby is home to NN17 5ZB. Whether you live here or plan to move, the data below paints a clear picture. Broadband, schools, crime, house prices, and local services all follow. The numbers speak for themselves.

Superfast broadband (30 Mbps+) coverage at NN17 5ZB stands at 77.3%. That is below the UK average of 93%. Ultrafast broadband (100 Mbps+) reaches 77.3% of properties. Over half of premises have access to faster tiers. Gigabit-capable connections cover 77.3% of premises. Gigabit is available but not yet widespread at this postcode. The maximum download speed recorded is 77% Gigabit. That is above the UK real-world average of 69 Mbps.

Translating the numbers at NN17 5ZB into daily use gives a clearer picture. Upload speeds average 207.64 Mbps. That handles HD video calls, cloud backups, and uploading large files without issues. 4K streaming is possible on one device at a time. HD streaming works across multiple devices. Latency is 9 ms. That is excellent for online gaming, competitive play, and real-time applications. Remote working is viable here. Video conferencing, cloud documents, and VPN connections should all perform well.

Real-world download speeds at NN17 5ZB average 147.91 Mbps based on Ookla Speedtest data. This reflects what people actually get, not just what providers advertise. Upload speeds average 207.64 Mbps. Latency sits at 9 ms. That is excellent for responsive browsing and gaming. This is based on 2 speed tests run by local users.

The nearest tower is 4.2 km away.

165 crimes were reported near NN17 5ZB in the most recent month. The level is higher than average. The most common category was violent crime. Other frequent types include anti social behaviour and shoplifting. Data comes from Police.uk at LSOA level. One month is a snapshot, not a trend.

Corby Old Village Primary School is the closest school at 0.31 miles. It is a Community school school. Ofsted rates it as Not available. There are 5 schools within a few miles of this postcode.

Flood risk at NN17 5ZB is rated Very Low (Zone 1). The area is not considered at significant risk of flooding. Standard home insurance should be straightforward. Air quality is rated Good with PM2.5 at 3.4 micrograms per cubic metre. This is within healthy limits set by the World Health Organisation.

The LSOA covering NN17 5ZB has a population of approximately 1873. Median age is 38. That is close to the national median of 40.

The nearest train station to NN17 5ZB is Finsbury Park, 68.5 miles away. The station is some distance away. Consider driving, or check for direct bus routes. Ealing Broadway is the next closest at 69.4 miles. London Kings Cross offers another option at 70.4 miles.

The most common council tax band near NN17 5ZB is Band C. The billing authority is North Northamptonshire. The three most common bands are C (28%), B (25%), D (22%). Band C corresponds to 1991 property values of £52,001 to £68,000. Current values are typically much higher. The concentration in lower bands suggests a mix of smaller and mid-range properties.

Outdoor 4G mobile signal at NN17 5ZB is available across 100% of the area. Indoor 4G drops to 99.5%. Indoor coverage is close to outdoor levels. Signal should be reliable throughout the building. 5G outdoor coverage is at 96.2%. That makes 5G home broadband a genuine alternative to fixed-line connections. Coverage data covers EE, O2, Three, Vodafone. Check each operator individually, as coverage varies by network. Strong 4G coverage combined with limited fixed broadband means 4G home broadband could be a practical alternative here.

Suitability scores for NN17 5ZB: remote working 50/100, family 55/100, value 50/100. Remote workers may want to verify actual speeds before committing.

NN17 5ZB falls within the North Northamptonshire local authority area. The immediate area is Corby, a distinct community within the wider district. The NN17 postcode area contains 838 postcodes on this site. Superfast broadband across NN17 ranges from 0% to 100%. NN17 5ZB is below the area average of 97%.

How does NN17 5ZB compare to its neighbours? NN17 5YH (0.12 miles, Corby) has 84.6% superfast coverage and 84.6% gigabit. NN17 5YF (0.14 miles, Corby) has 100% superfast coverage and 100% gigabit. NN17 5TS (0.18 miles, Corby) has 100% superfast coverage and 100% gigabit. NN17 5ZZ (0.18 miles, Corby) has 100% superfast coverage and 100% gigabit. Neighbouring postcodes tend to have better superfast coverage.

Not every property at NN17 5ZB gets the same speeds. Run a postcode check with each provider before signing up. Headline speeds are not guarantees. If fibre is unavailable, consider 4G home broadband or satellite as alternatives. Speeds may still be adequate for most uses. Compare contract lengths, total costs over the term, and exit fees. The cheapest monthly rate is not always the best deal.

The age profile is close to the national median. A mix of families, professionals, and retirees.

Looking at the overall picture for NN17 5ZB, a few things are worth highlighting. North Northamptonshire as a local authority area has its own planning priorities, council services, and infrastructure investment plans. Check the council website for the latest. The data covers what can be measured. Corby has its own character that numbers alone cannot capture. Use these figures as a filter, then visit to get the full picture.

Data sources include Ofcom (broadband and mobile), Land Registry (house prices), Police.uk (crime), Ofsted (schools), Environment Agency (flood risk), and Open-Meteo (air quality). Council tax data comes from the Valuation Office Agency. EPC data is from DLUHC. Transport data uses NaPTAN. Speed distribution figures are from Ofcom Connected Nations. All figures are the latest available at the time of writing.

Before making a decision about NN17 5ZB, visit in person. Check the commute at rush hour. Try the mobile signal indoors. Look at local shops and green spaces. Ask about broadband reliability, not just speed. Data sets the scene, but real life fills in the gaps.

That is the full data picture for NN17 5ZB in Corby. Use it alongside your own research. For the most current broadband speeds, run a live speed test from this page. Check back periodically as data is refreshed with new releases.

Frequently asked questions about NN17 5ZB

What are the broadband speeds available at NN17 5ZB?

Superfast broadband (30 Mbps+) is available to 77.3% of premises at NN17 5ZB. Maximum download speeds reach 77% Gigabit. Ultrafast coverage is at 77.3%.

What is the average house price near NN17 5ZB?

No recent house price data is available for NN17 5ZB.

What is the flood risk for properties at NN17 5ZB?

NN17 5ZB has a Very Low flood risk rating, classified as Zone 1. The area is not at significant risk.

What schools are nearby in the NN17 5ZB area?

The nearest school is Corby Old Village Primary School (Community school), 0.31 miles away. There are 5 schools within a few miles.

How does crime rate in NN17 5ZB compare to other areas?

165 offences were recorded in this LSOA area in the latest month. This is above average for England and Wales.

How suitable is NN17 5ZB for remote working?

NN17 5ZB scores 50/100 for remote working suitability. Speeds may limit video-heavy workflows.

What is the mobile signal like at NN17 5ZB?

4G outdoor coverage at NN17 5ZB is 100%. 5G reaches 96.2%. Indoor coverage may be lower.

What is the most common energy efficiency rating near NN17 5ZB?

EPC data for NN17 5ZB is being updated. Check the EPC register for individual property ratings.

What is the council tax band distribution at NN17 5ZB?

The most common council tax band near NN17 5ZB is Band C. The billing authority is North Northamptonshire.

How accessible are GP surgeries near NN17 5ZB?

GP surgery data for NN17 5ZB is being updated. Check NHS.uk for the latest.

What transport links are available near NN17 5ZB?

The nearest train station to NN17 5ZB is Finsbury Park, 68.5 miles away. Ealing Broadway is also nearby.

Is NN17 5ZB a suitable area for families?

NN17 5ZB scores 55/100 for family suitability. Check school and crime sections above for detail.

What is the air quality like at NN17 5ZB?

Air quality at NN17 5ZB is rated Good. PM2.5 levels are 3.4 micrograms per cubic metre. This is within healthy limits.

How far is the nearest EV charging point from NN17 5ZB?

EV charging data for NN17 5ZB is being updated. Check Zap-Map for the latest.

Can I get full fibre broadband at NN17 5ZB?

Ultrafast broadband (100 Mbps+) reaches 77.3% of premises. Check Openreach and local operators for FTTP availability.

Area suitability scores

NN17 5ZB

Remote Worker

50

Based on superfast broadband coverage, FTTP %, and 4G mobile outdoor coverage.

Family

55

Based on Ofsted school ratings, crime rate, flood risk, and GP surgery proximity.

Value for Money

50

Based on broadband quality relative to average house price in the area.

Map

Area info

Parish

Corby

District

North Northamptonshire

Region

Constituency

LSOA

E01026957

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