AL5 postcode
Broadband in AL5 2TJ
Harpenden Town, St Albans
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data · Updated 29 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 AL5 2TJ. That covers your 14 Mbps needs with room to spare.
Speed Test
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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)
| Technology | Available | Coverage | Typical Speed |
|---|---|---|---|
| Standard (ADSL) | 75% | 75% | 10-20 Mbps |
| Superfast (30+ Mbps) | 75% | 75% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 25% | 25% | 100-300 Mbps |
| Full Fibre (FTTP) | N/A | N/A | 300-900 Mbps |
| Gigabit | 25% | 25% | 900-1,000 Mbps |
Speed Distribution at AL5 2TJ
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 St Albans
Most common: Band
Annual council tax estimates for , 2024/25
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Looking at AL5 2TJ in Harpenden Town? 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.
75% of premises at AL5 2TJ can access superfast broadband. The UK average is 93%. There is room for improvement here. Ultrafast broadband (100 Mbps+) reaches 25% of properties. Fewer than half of homes here can get ultrafast speeds. Gigabit-capable connections cover 25% of premises. Gigabit is available but not yet widespread at this postcode.
The speed distribution at AL5 2TJ tells a more detailed story than headline figures alone. 50% of connections fall in the 30 to 300 Mbps range. 25% 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. 25% of premises can hit 300 Mbps or more. That is enough for demanding multi-device households.
What do the broadband speeds at AL5 2TJ mean in practice?
FWA broadband has not reached AL5 2TJ 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 AL5 2TJ, 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 75% of the area. NGA typically means speeds of 24 Mbps or above.
Flood risk at AL5 2TJ 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 AL5 2TJ 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. Strong 4G coverage combined with limited fixed broadband means 4G home broadband could be a practical alternative here.
Suitability scores for AL5 2TJ: remote working 35/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
The local authority for AL5 2TJ is St Albans. The immediate area is Harpenden Town, a distinct community within the wider district. The AL5 postcode area contains 1036 postcodes on this site. Superfast broadband across AL5 ranges from 0% to 100%. AL5 2TJ is below the area average of 98%.
How does AL5 2TJ compare to its neighbours? AL5 2TL (0.02 miles, harpenden-town) has 100% superfast coverage and 64.7% gigabit. AL5 2TN (0.03 miles, harpenden-town) has 100% superfast coverage and 66.7% gigabit. AL5 2TW (0.03 miles, harpenden-town) has 100% superfast coverage and 100% gigabit. AL5 2SU (0.03 miles, harpenden-town) has 100% superfast coverage and 100% gigabit. Neighbouring postcodes tend to have better superfast coverage.
Broadband availability varies by provider and by property. At AL5 2TJ, 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.
Every part of Harpenden Town has its own feel. This data gives you the factual starting point. A visit fills in the rest.
What does all of this mean for someone considering AL5 2TJ? St Albans 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. Harpenden Town 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.
Data is a starting point for Harpenden Town. Walk the streets at different times. Test your mobile signal. Check parking, noise levels, and the feel of the neighbourhood. Run a speed test on the actual connection. Some things only a visit can reveal.
That is the full data picture for AL5 2TJ in Harpenden Town. 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.
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 AL5 2TJ
What are the broadband speeds available at AL5 2TJ?
Superfast broadband (30 Mbps+) is available to 75% of premises at AL5 2TJ. Ultrafast coverage is at 25%.
What is the average house price near AL5 2TJ?
No recent house price data is available for AL5 2TJ.
What is the flood risk for properties at AL5 2TJ?
AL5 2TJ has a Medium flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the AL5 2TJ area?
School data for AL5 2TJ is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in AL5 2TJ compare to other areas?
Crime data for this area is being updated.
How suitable is AL5 2TJ for remote working?
AL5 2TJ scores 35/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at AL5 2TJ?
4G outdoor coverage at AL5 2TJ is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near AL5 2TJ?
EPC data for AL5 2TJ is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at AL5 2TJ?
Council tax band information for AL5 2TJ is being updated.
How accessible are GP surgeries near AL5 2TJ?
GP surgery data for AL5 2TJ is being updated. Check NHS.uk for the latest.
What transport links are available near AL5 2TJ?
Transport data for AL5 2TJ is being updated.
Is AL5 2TJ a suitable area for families?
AL5 2TJ scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at AL5 2TJ?
Air quality data for AL5 2TJ is being updated.
How far is the nearest EV charging point from AL5 2TJ?
EV charging data for AL5 2TJ is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at AL5 2TJ?
Ultrafast broadband (100 Mbps+) reaches 25% of premises. Check Openreach and local operators for FTTP availability.
Area suitability scores
AL5 2TJRemote Worker
35Based 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.
Map
Area info
Parish
Harpenden Town
District
St Albans
Region
Constituency
LSOA
E01023701
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