AL3 postcode
Broadband in AL3 8HJ
Flamstead, Dacorum
Superfast broadband covers 40% of premises here.
Free, independent comparison · Ofcom verified data · Updated 25 March 2026
Flood Risk
Low
Fibre (FTTP)
No
Best speed
~30 Mbps
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.
The best available speed at AL3 8HJ is ~30 Mbps. That covers your 14 Mbps estimate.
Speed Test
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Broadband availability
Source: Ofcom Connected Nations 2025 (Jul 2025)
| Technology | Available | Coverage | Typical Speed |
|---|---|---|---|
| Standard (ADSL) | 40% | 40% | 10-20 Mbps |
| Superfast (30+ Mbps) | 40% | 40% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 0% | 0% | 100-300 Mbps |
| Full Fibre (FTTP) | N/A | N/A | 300-900 Mbps |
| Gigabit | 0% | 0% | 900-1,000 Mbps |
Speed Distribution at AL3 8HJ
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: Low
This postcode is in undefined — low risk of flooding from rivers and sea.
Flood Zone
Risk Level
Low
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 Dacorum
Most common: Band
Annual council tax estimates for , 2024/25
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AL3 8HJ sits in Flamstead, part of Dacorum. 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.
Superfast broadband (30 Mbps+) coverage at AL3 8HJ stands at 40%. That is below the UK average of 93%.
Here is how broadband speeds break down across premises at AL3 8HJ. 60% of connections fall in the 10 to 30 Mbps range. 40% of connections fall in the 30 to 300 Mbps range. No premises here are stuck below 5 Mbps. Every property meets the basic threshold for video calls.
What do the broadband speeds at AL3 8HJ mean in practice? Superfast coverage is limited here. Streaming HD video should work on one device. Multiple simultaneous streams may struggle during peak hours.
FWA broadband has not reached AL3 8HJ yet. Satellite services like Starlink or 4G home broadband routers can fill the gap where fixed-line options are limited.
0% of premises at AL3 8HJ fall below the Universal Service Obligation of 10 Mbps. 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 AL3 8HJ is rated Low. Minor precautions may be worth considering. Check with insurers about any loading on premiums.
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.
4G outdoor coverage at AL3 8HJ reaches 95%. 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 AL3 8HJ: remote working 35/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
The local authority for AL3 8HJ is Dacorum. The immediate area is Flamstead, a distinct community within the wider district. The AL3 postcode area contains 950 postcodes on this site. Superfast broadband across AL3 ranges from 0% to 100%. AL3 8HJ is below the area average of 91%.
How does AL3 8HJ compare to its neighbours? AL3 8HN (0.04 miles, flamstead) has 50% superfast coverage and 0% gigabit. Neighbouring postcodes tend to have better superfast coverage.
Broadband availability varies by provider and by property. At AL3 8HJ, 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.
Flamstead offers a mix of residential properties and local amenities. The character of any area is best judged in person.
Pulling the data together for AL3 8HJ, here is what stands out. Dacorum 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. Flamstead 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 Flamstead. 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 AL3 8HJ in Flamstead. 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 AL3 8HJ
What are the broadband speeds available at AL3 8HJ?
Superfast broadband (30 Mbps+) is available to 40% of premises at AL3 8HJ.
What is the average house price near AL3 8HJ?
No recent house price data is available for AL3 8HJ.
What is the flood risk for properties at AL3 8HJ?
AL3 8HJ has a Low flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the AL3 8HJ area?
School data for AL3 8HJ is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in AL3 8HJ compare to other areas?
Crime data for this area is being updated.
How suitable is AL3 8HJ for remote working?
AL3 8HJ scores 35/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at AL3 8HJ?
4G outdoor coverage at AL3 8HJ is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near AL3 8HJ?
EPC data for AL3 8HJ is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at AL3 8HJ?
Council tax band information for AL3 8HJ is being updated.
How accessible are GP surgeries near AL3 8HJ?
GP surgery data for AL3 8HJ is being updated. Check NHS.uk for the latest.
What transport links are available near AL3 8HJ?
Transport data for AL3 8HJ is being updated.
Is AL3 8HJ a suitable area for families?
AL3 8HJ scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at AL3 8HJ?
Air quality data for AL3 8HJ is being updated.
How far is the nearest EV charging point from AL3 8HJ?
EV charging data for AL3 8HJ is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at AL3 8HJ?
Full fibre availability at AL3 8HJ is being updated. Check Openreach for the latest rollout status.
Area suitability scores
AL3 8HJRemote 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.
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Area info
Parish
Flamstead
District
Dacorum
Region
Constituency
LSOA
E01023430
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