AL9 postcode
Broadband in AL9 5DE
Hatfield, Welwyn Hatfield
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data · Updated 22 March 2026
Flood Risk
Medium
Fibre (FTTP)
No
Best speed
Gigabit (1Gbps+)
Speed Calculator
Adjust the options below to see how much broadband speed your household needs.
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.
Gigabit broadband (Gigabit (1Gbps+)) is available at AL9 5DE. That covers your 14 Mbps needs with room to spare.
Speed Test
Check your current download speed and see how it compares to what is available at AL9 5DE.
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This test measures download speed only. Results vary depending on network conditions.
Broadband availability
Source: Ofcom Connected Nations 2025 (Jul 2025)
| Technology | Available | Coverage | Typical Speed |
|---|---|---|---|
| Standard (ADSL) | 100% | 100% | 10-20 Mbps |
| Superfast (30+ Mbps) | 100% | 100% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 98% | 98% | 100-300 Mbps |
| Full Fibre (FTTP) | N/A | N/A | 300-900 Mbps |
| Gigabit | 98% | 98% | 900-1,000 Mbps |
Speed Distribution at AL9 5DE
Source: Ofcom Connected Nations 2025
Mobile coverage
4G & 5G coverage · Ofcom Connected Nations 2025
4G Outdoor
4G Indoor
5G Outdoor
Networks with 4G
Schools nearby
Nearest schools within 5 miles · Ofsted ratings as at Jan 2026
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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
Air quality
Particulate matter & nitrogen dioxide levels
air quality
Air quality data not available.
WHO guideline: 15 μg/m³
WHO guideline: 45 μg/m³
WHO guideline: 25 μg/m³
Transport links
Nearest train stations and towns
Nearest train stations
No train stations found within 15 miles
Council tax bands
Band distribution for Welwyn Hatfield
Most common: Band
Annual council tax estimates for , 2024/25
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Looking at AL9 5DE 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.
Superfast coverage here stands at 100%. Nationally, 93% of UK premises have access. Coverage at this postcode is strong. Ultrafast broadband (100 Mbps+) reaches 98.1% of properties. That is solid coverage for bandwidth-heavy households. Gigabit-capable connections cover 98.1% of premises. Most homes can access gigabit speeds if they choose to.
Here is how broadband speeds break down across premises at AL9 5DE. 1.9% of connections fall in the 30 to 300 Mbps range. 98.1% 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.
Translating the numbers at AL9 5DE into daily use gives a clearer picture. 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 5DE 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 5DE, 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 5DE 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 5DE 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 5DE: remote working 55/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
AL9 5DE falls within the Welwyn Hatfield local authority area. 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 5DE is above the area average of 88%.
How does AL9 5DE compare to its neighbours? AL9 5DQ (0.03 miles, hatfield) has 100% superfast coverage and 100% gigabit. AL9 5DF (0.05 miles, hatfield) has 100% superfast coverage and 0% gigabit. AL9 5DH (0.06 miles, hatfield) has 100% superfast coverage and 100% gigabit. Coverage is broadly similar across these neighbouring postcodes.
When choosing a broadband provider at AL9 5DE, check what technology reaches your specific address. Availability varies by street and sometimes by building. 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.
Hatfield offers a mix of residential properties and local amenities. The character of any area is best judged in person.
Looking at the overall picture for AL9 5DE, a few things are worth highlighting. Connectivity at AL9 5DE 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 5DE. 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 5DE. 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 5DE
What are the broadband speeds available at AL9 5DE?
Superfast broadband (30 Mbps+) is available to 100% of premises at AL9 5DE. Ultrafast coverage is at 98.1%.
What is the average house price near AL9 5DE?
No recent house price data is available for AL9 5DE.
What is the flood risk for properties at AL9 5DE?
AL9 5DE has a Medium flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the AL9 5DE area?
School data for AL9 5DE is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in AL9 5DE compare to other areas?
Crime data for this area is being updated.
How suitable is AL9 5DE for remote working?
AL9 5DE scores 55/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at AL9 5DE?
4G outdoor coverage at AL9 5DE is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near AL9 5DE?
EPC data for AL9 5DE is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at AL9 5DE?
Council tax band information for AL9 5DE is being updated.
How accessible are GP surgeries near AL9 5DE?
GP surgery data for AL9 5DE is being updated. Check NHS.uk for the latest.
What transport links are available near AL9 5DE?
Transport data for AL9 5DE is being updated.
Is AL9 5DE a suitable area for families?
AL9 5DE scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at AL9 5DE?
Air quality data for AL9 5DE is being updated.
How far is the nearest EV charging point from AL9 5DE?
EV charging data for AL9 5DE is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at AL9 5DE?
Ultrafast broadband (100 Mbps+) reaches 98.1% of premises. Check Openreach and local operators for FTTP availability.
Area suitability scores
AL9 5DERemote Worker
55Based on superfast broadband coverage, FTTP %, and 4G mobile outdoor coverage.
Family
50Based on Ofsted school ratings, crime rate, flood risk, and GP surgery proximity.
Value for Money
50Based on broadband quality relative to average house price in the area.
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Area info
Parish
Hatfield
District
Welwyn Hatfield
Region
Constituency
LSOA
E01023926
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