NN7 postcode

Broadband in NN7 1LJ

Castle Ashby, West Northamptonshire

Gigabit broadband is available at this postcode.

Best speed50% 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

50% Gigabit

Reviewed by Rex BlackwellData 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 (50% Gigabit) is available at NN7 1LJ. 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 NN7 1LJ.

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)100%
100%
10-20 Mbps
Superfast (30+ Mbps)100%
100%
30-80 Mbps
Ultrafast (100+ Mbps)50%
50%
100-300 Mbps
Full Fibre (FTTP)N/A
N/A
300-900 Mbps
Gigabit50%
50%
900-1,000 Mbps

Real-World Speeds at NN7 1LJ

Based on 3 Ookla Speedtest results (Q4 2025)

Download

34

Mbps

Upload

8

Mbps

Latency

12

ms

Tests

3

results

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

Cell Tower Coverage near NN7 1LJ

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

99.6%

5G Outdoor

98.5%

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: 1

violent crime100%1

Schools nearby

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

SchoolTypeOfstedRatingDistance
Grendon Church of England Primary SchoolVoluntary controlled schoolNot available★★★☆☆1.3 mi
Yardley Hastings Primary SchoolCommunity schoolNot available★★★☆☆1.4 mi
Denton Primary SchoolCommunity schoolNot available★★★☆☆1.6 mi
Cogenhoe Primary SchoolAcademy converterNot available★★★☆☆2.3 mi
Earls Barton Primary SchoolCommunity schoolNot available★★★☆☆2.7 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)3.5 μg/m³

WHO guideline: 15 μg/m³

PM10 (coarse particles)8.3 μg/m³

WHO guideline: 45 μg/m³

NO₂ (nitrogen dioxide)3.7 μg/m³

WHO guideline: 25 μg/m³

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

Area demographics

Data for LSOA: West Northamptonshire 043D

Population

1,604

Census 2021

Density

51

per km² · Rural

Median Age

42

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: E01027308

Overall IMD Decile

8 / 10

Above average

Ranked

24,431

of 32,844 areas

Decile 10 = least deprived 10% of England. Decile 1 = most deprived 10%. Based on South Northamptonshire 002D (2019 boundaries).

DomainDecileRankAssessment
Income721,380Above average
Employment926,973Least deprived
Education86Above average
Health9N/ALeast deprived
Crime9N/ALeast deprived
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

🔋

EV Solutions

Type 2

3.3 mi

away

🔋

BP Pulse

Type 22 points

4.3 mi

away

🔋

Shell

Type 22 points

4.5 mi

away

🔋

Shell

Type 22 points

4.5 mi

away

🔋

Pod Point

Type 2

4.6 mi

away

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

Council tax bands

Band distribution for West Northamptonshire

C

Most common: Band C

1,841/yr · West Northamptonshire

A
8%£1,381
B
22%£1,611
C
27%£1,841
D
25%£2,071
E
12%£2,531
F
4%£2,991
G
2%£3,452

Annual council tax estimates for West Northamptonshire, 2024/25

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

GP surgeries nearby

Nearest NHS GP practices

1

DENTON VILLAGE SURGERY

NN7 1HT·1.6 miles away
Not accepting

new patients

2

EARLS BARTON MEDICAL CENTRE

NN6 0EU·2.9 miles away
Not accepting

new patients

3

BROOK MEDICAL CENTRE

NN3 5EN·3.5 miles away
Not accepting

new patients

4

HMP FIVE WELLS

NN8 2NX·4.4 miles away
Not accepting

new patients

5

MAYFIELD SURGERY

NN3 8DW·4.6 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 NN7 1LJ

NN7 1LJ sits in Castle Ashby, part of West Northamptonshire. This guide covers broadband speeds, house prices, schools, and more. Every figure comes from verified public data sources. Use it alongside your own research when comparing areas.

100% of premises at NN7 1LJ can access superfast broadband. The UK average is 93%. This postcode meets or exceeds that benchmark. Ultrafast broadband (100 Mbps+) reaches 50% of properties. Over half of premises have access to faster tiers. Gigabit-capable connections cover 50% of premises. Gigabit is available but not yet widespread at this postcode. The maximum download speed recorded is 50% Gigabit. That is around the UK real-world average of 69 Mbps.

What do the broadband speeds at NN7 1LJ mean in practice? Upload speeds average 8.13 Mbps. Video calls on Zoom or Teams should work, though simultaneous uploads may cause lag. 4K streaming is possible on one device at a time. HD streaming works across multiple devices. Latency is 12 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.

Ookla Speedtest users at NN7 1LJ see average downloads of 34.21 Mbps. Advertised speeds often differ from reality. These figures come from actual user tests. Upload speeds average 8.13 Mbps. Latency sits at 12 ms. That is excellent for responsive browsing and gaming. This is based on 3 speed tests run by local users.

The nearest tower is 2.73 km away.

In the latest month of data, 1 offences were recorded in this LSOA area. That is relatively low for England and Wales. The most common category was violent crime. Data comes from Police.uk at LSOA level. One month is a snapshot, not a trend.

Grendon Church of England Primary School is the closest school at 1.27 miles. It is a Voluntary controlled school school. Ofsted rates it as Not available. There are 5 schools within a few miles of this postcode.

Flood risk at NN7 1LJ 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 3.5 micrograms per cubic metre. This is within healthy limits set by the World Health Organisation.

The LSOA covering NN7 1LJ has a population of approximately 1604. Median age is 42. That is close to the national median of 40.

Ealing Broadway station is the closest rail link at 52.3 miles from NN7 1LJ. The station is some distance away. Consider driving, or check for direct bus routes. Finsbury Park is the next closest at 52.8 miles. London Paddington offers another option at 54.4 miles.

The most common council tax band near NN7 1LJ is Band C. The billing authority is West Northamptonshire. The three most common bands are C (27%), D (25%), B (22%). Band C corresponds to 1991 property values of £52,001 to £68,000. Current values are typically much higher. The spread across mid-range bands suggests a varied housing stock.

Outdoor 4G mobile signal at NN7 1LJ is available across 100% of the area. Indoor 4G drops to 99.6%. Indoor coverage is close to outdoor levels. Signal should be reliable throughout the building. 5G outdoor coverage is at 98.5%. 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.

Suitability scores for NN7 1LJ: remote working 70/100, family 90/100, value 50/100. Broadband is adequate for most remote working needs.

The local authority for NN7 1LJ is West Northamptonshire. The immediate area is Castle Ashby, a distinct community within the wider district. The NN7 postcode area contains 821 postcodes on this site. Superfast broadband across NN7 ranges from 0% to 100%. NN7 1LJ is above the area average of 94%.

How does NN7 1LJ compare to its neighbours? NN7 1LQ (0.04 miles, Castle Ashby) has 100% superfast coverage and 0% gigabit. NN7 1LF (0.12 miles, Castle Ashby) has 97.6% superfast coverage and 77.4% gigabit. NN7 1LA (0.5 miles, Castle Ashby) has 91.7% superfast coverage and 91.7% gigabit. NN7 1LH (0.68 miles, Castle Ashby) has 100% superfast coverage and 100% gigabit. Coverage is broadly similar across these neighbouring postcodes.

Not every property at NN7 1LJ 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 NN7 1LJ, a few things are worth highlighting. Connectivity at NN7 1LJ is a strength. Strong broadband coverage gives flexibility for both working and leisure. The area scores well on that front. West 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. Castle Ashby 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.

Numbers tell part of the story for NN7 1LJ. Visit at different times of day. Talk to neighbours. Check mobile signal indoors. Walk the route to the nearest school or station. Test the broadband speed from inside the property. These things do not show up in data.

NN7 1LJ in Castle Ashby: broadband, house prices, crime, schools, and more. All from verified sources. Run a speed test above for a live reading. Compare with nearby postcodes to see how this area stacks up against its neighbours.

Frequently asked questions about NN7 1LJ

What are the broadband speeds available at NN7 1LJ?

Superfast broadband (30 Mbps+) is available to 100% of premises at NN7 1LJ. Maximum download speeds reach 50% Gigabit. Ultrafast coverage is at 50%.

What is the average house price near NN7 1LJ?

No recent house price data is available for NN7 1LJ.

What is the flood risk for properties at NN7 1LJ?

NN7 1LJ has a Very Low flood risk rating, classified as Zone 1. The area is not at significant risk.

What schools are nearby in the NN7 1LJ area?

The nearest school is Grendon Church of England Primary School (Voluntary controlled school), 1.27 miles away. There are 5 schools within a few miles.

How does crime rate in NN7 1LJ compare to other areas?

1 offences were recorded in this LSOA area in the latest month. This is relatively low.

How suitable is NN7 1LJ for remote working?

NN7 1LJ scores 70/100 for remote working suitability. Broadband is adequate for most remote tasks.

What is the mobile signal like at NN7 1LJ?

4G outdoor coverage at NN7 1LJ is 100%. 5G reaches 98.5%. Indoor coverage may be lower.

What is the most common energy efficiency rating near NN7 1LJ?

EPC data for NN7 1LJ is being updated. Check the EPC register for individual property ratings.

What is the council tax band distribution at NN7 1LJ?

The most common council tax band near NN7 1LJ is Band C. The billing authority is West Northamptonshire.

How accessible are GP surgeries near NN7 1LJ?

GP surgery data for NN7 1LJ is being updated. Check NHS.uk for the latest.

What transport links are available near NN7 1LJ?

The nearest train station to NN7 1LJ is Ealing Broadway, 52.3 miles away. Finsbury Park is also nearby.

Is NN7 1LJ a suitable area for families?

NN7 1LJ scores 90/100 for family suitability. Good schools and low crime contribute to a high score.

What is the air quality like at NN7 1LJ?

Air quality at NN7 1LJ is rated Good. PM2.5 levels are 3.5 micrograms per cubic metre. This is within healthy limits.

How far is the nearest EV charging point from NN7 1LJ?

EV charging data for NN7 1LJ is being updated. Check Zap-Map for the latest.

Can I get full fibre broadband at NN7 1LJ?

Ultrafast broadband (100 Mbps+) reaches 50% of premises. Check Openreach and local operators for FTTP availability.

Area suitability scores

NN7 1LJ

Remote Worker

70

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

Family

90

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

Castle Ashby

District

West Northamptonshire

Region

Constituency

LSOA

E01027308

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