AL9 postcode

Broadband in AL9 5HY

Hatfield, Welwyn Hatfield

Gigabit broadband is available at this postcode.

Best speedGigabit (1Gbps+)
StandardSuperfastGigabit
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Free, independent comparison · Ofcom verified data · Updated 9 March 2026

Flood Risk

Medium

Fibre (FTTP)

No

Best speed

Gigabit (1Gbps+)

Reviewed by Sage MitchellData last verified: 9 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 (Gigabit (1Gbps+)) is available at AL9 5HY. 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 AL9 5HY.

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)92%
92%
100-300 Mbps
Full Fibre (FTTP)N/A
N/A
300-900 Mbps
Gigabit46%
46%
900-1,000 Mbps

Speed Distribution at AL9 5HY

30–300 Mbps (8%)
300+ Mbps (92%)

Source: Ofcom Connected Nations 2025

Mobile coverage

4G & 5G coverage · Ofcom Connected Nations 2025

4G Outdoor

95%

4G Indoor

85%

5G Outdoor

%

Networks with 4G

EEO2ThreeVodafone
Ofcom Connected Nations 2025

Schools nearby

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

Schools data is currently unavailable.

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Flood risk

🟠

Flood risk: Medium

This postcode is in undefined — medium risk of flooding from rivers and sea.

Flood Zone

Risk Level

Medium

Environment Agency

Air quality

Particulate matter & nitrogen dioxide levels

air quality

Air quality data not available.

PM2.5 (fine particles) μg/m³

WHO guideline: 15 μg/m³

PM10 (coarse particles) μg/m³

WHO guideline: 45 μg/m³

NO₂ (nitrogen dioxide) μg/m³

WHO guideline: 25 μg/m³

DEFRA UK-AIR · Guidelines: WHO 2021

Transport links

Nearest train stations and towns

Nearest train stations

No train stations found within 15 miles

Network Rail / National Rail · Straight-line distances

Council tax bands

Band distribution for Welwyn Hatfield

Most common: Band

A
5%£1,381
B
10%£1,611
C
20%£1,841
D
25%£2,071
E
20%£2,531
F
10%£2,991
G
8%£3,452
H
2%£4,142

Annual council tax estimates for , 2024/25

VOA (Valuation Office Agency)

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Living near AL9 5HY

Looking at AL9 5HY in Hatfield? Here is what the data says. From broadband coverage to crime rates, this is the full picture. All numbers are from official sources. The guide is updated as new data becomes available.

100% of premises at AL9 5HY can access superfast broadband. The UK average is 93%. This postcode meets or exceeds that benchmark. Ultrafast broadband (100 Mbps+) reaches 92.3% of properties. That is solid coverage for bandwidth-heavy households. Gigabit-capable connections cover 46.2% of premises. Gigabit is available but not yet widespread at this postcode.

The speed distribution at AL9 5HY tells a more detailed story than headline figures alone. 7.7% of connections fall in the 30 to 300 Mbps range. 92.3% of connections fall in the 300 Mbps or faster range. No premises here are stuck below 5 Mbps. Every property meets the basic threshold for video calls. Over half of connections exceed 300 Mbps. That supports multiple 4K streams, large file transfers, and cloud gaming without issue.

Here is how the broadband at AL9 5HY maps against common household needs. Most premises have superfast speeds. Remote working with video calls and cloud tools should be manageable for most households.

FWA broadband has not reached AL9 5HY yet. Satellite services like Starlink or 4G home broadband routers can fill the gap where fixed-line options are limited.

The USO guarantees every UK home at least 10 Mbps. At AL9 5HY, 0% of properties do not meet this threshold. Every property here meets the minimum standard. That is not the case everywhere. Next-generation access (NGA) reaches 100% of the area. NGA typically means speeds of 24 Mbps or above.

Flood risk at AL9 5HY is rated Medium. Check Environment Agency flood maps for detailed information. Specialist flood insurance may be needed.

The three most common bands are D (25%), C (20%), E (20%). Band D corresponds to 1991 property values of £68,001 to £88,000. Current values are typically much higher. The spread across mid-range bands suggests a varied housing stock.

Outdoor 4G mobile signal at AL9 5HY is available across 95% of the area. Indoor 4G drops to 85%. Some signal loss indoors is normal. Most calls and data should still work inside. Coverage data covers EE, O2, Three, Vodafone. Check each operator individually, as coverage varies by network.

Suitability scores for AL9 5HY: remote working 55/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.

The local authority for AL9 5HY is Welwyn Hatfield. The immediate area is Hatfield, a distinct community within the wider district. The AL9 postcode area contains 426 postcodes on this site. Superfast broadband across AL9 ranges from 0% to 100%. AL9 5HY is above the area average of 88%.

How does AL9 5HY compare to its neighbours? AL9 5HZ (0.02 miles, hatfield) has 95.2% superfast coverage and 85.7% gigabit. AL9 5JE (0.02 miles, hatfield) has 100% superfast coverage and 100% gigabit. AL9 5AS (0.02 miles, hatfield) has 100% superfast coverage and 0% gigabit. AL9 5HX (0.03 miles, hatfield) has 100% superfast coverage and 73.1% gigabit. Coverage is broadly similar across these neighbouring postcodes.

Broadband availability varies by provider and by property. At AL9 5HY, check individual coverage tools from BT, Sky, Virgin Media, and local operators. 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.

Life in Hatfield depends on what matters to you. Broadband, transport, and local services vary by street.

Looking at the overall picture for AL9 5HY, a few things are worth highlighting. Connectivity at AL9 5HY is a strength. Strong broadband coverage gives flexibility for both working and leisure. The area scores well on that front. Welwyn Hatfield 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. Hatfield 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 AL9 5HY. 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.

This covers the key data for AL9 5HY. Broadband, property, schools, safety, and local services all in one place. For area-wide trends, see the Hatfield hub page. Bookmark this page and check back as new data arrives.

More local data is being added for this postcode

This page already has postcode-specific content, and more data-backed sections will appear as the remaining local datasets finish processing.

Frequently asked questions about AL9 5HY

What are the broadband speeds available at AL9 5HY?

Superfast broadband (30 Mbps+) is available to 100% of premises at AL9 5HY. Ultrafast coverage is at 92.3%.

What is the average house price near AL9 5HY?

No recent house price data is available for AL9 5HY.

What is the flood risk for properties at AL9 5HY?

AL9 5HY has a Medium flood risk rating. Check Environment Agency maps for detail.

What schools are nearby in the AL9 5HY area?

School data for AL9 5HY is being updated. Check the Get Information About Schools service for the latest.

How does crime rate in AL9 5HY compare to other areas?

Crime data for this area is being updated.

How suitable is AL9 5HY for remote working?

AL9 5HY scores 55/100 for remote working suitability. Speeds may limit video-heavy workflows.

What is the mobile signal like at AL9 5HY?

4G outdoor coverage at AL9 5HY is 95%. Indoor coverage may be lower.

What is the most common energy efficiency rating near AL9 5HY?

EPC data for AL9 5HY is being updated. Check the EPC register for individual property ratings.

What is the council tax band distribution at AL9 5HY?

Council tax band information for AL9 5HY is being updated.

How accessible are GP surgeries near AL9 5HY?

GP surgery data for AL9 5HY is being updated. Check NHS.uk for the latest.

What transport links are available near AL9 5HY?

Transport data for AL9 5HY is being updated.

Is AL9 5HY a suitable area for families?

AL9 5HY scores 50/100 for family suitability. Check school and crime sections above for detail.

What is the air quality like at AL9 5HY?

Air quality data for AL9 5HY is being updated.

How far is the nearest EV charging point from AL9 5HY?

EV charging data for AL9 5HY is being updated. Check Zap-Map for the latest.

Can I get full fibre broadband at AL9 5HY?

Ultrafast broadband (100 Mbps+) reaches 92.3% of premises. Check Openreach and local operators for FTTP availability.

Area suitability scores

AL9 5HY

Remote Worker

55

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

Family

50

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

Hatfield

District

Welwyn Hatfield

Region

Constituency

LSOA

E01023924

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