SG4 postcode
Broadband in SG4 7PJ
Langley, North Hertfordshire
Superfast broadband covers 20% of premises here.
Free, independent comparison · Ofcom verified data
Flood Risk
Medium
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 SG4 7PJ is ~30 Mbps. That covers your 14 Mbps estimate.
Speed Test
Check your current download speed and see how it compares to what is available at SG4 7PJ.
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.
Living near SG4 7PJ
Considering Langley? SG4 7PJ sits in the North Hertfordshire area. We've gathered broadband, property, crime, school, and environmental data for this exact postcode. Ookla speed tests, Land Registry prices, Ofcom coverage stats, Police.uk crime figures. All from verified government sources. No estimates, no guesswork. Just the numbers that matter when choosing where to live.
Broadband at SG4 7PJ is below average. Superfast covers just 20% of premises. The UK average sits at 93%. Big gap here. Video calls may drop. Streaming will buffer. Check if 4G or 5G home broadband is an option. Some providers offer mobile broadband alternatives. No gigabit connections available yet. Top speeds listed as unknown.
Next-gen fibre infrastructure covers 100% of premises. Most of the area has modern fibre connections.
Limited house price data for SG4 7PJ. Few residential sales on record here. Could be a commercial area, new development, or rental-heavy. Land Registry only records completed sales. Rentals and new-builds under shared ownership may not appear. Check Rightmove or Zoopla for current asking prices. Talk to local estate agents for a ground-level view.
Flood risk: Medium. Zone: Zone 1. Moderate flood risk. Get a flood risk assessment before buying. Insurance premiums may be higher. Air quality: Unknown.
No public EV chargers recorded nearby. Home charging would be the main option. Check Zap-Map for the latest charger locations.
4G outdoor coverage: 95%. Good coverage. Some indoor dead spots possible. Data is at local authority level from Ofcom. Street-level signal can vary. Buildings and terrain affect actual reception. Try your handset on-site before switching provider.
A note on broadband providers. Ofcom data shows what's available. Not which provider to pick. Actual speeds depend on your line, your router, and your provider. Check BT, Sky, Virgin Media, and local FTTP operators. Compare deals at broadbandcompareuk.com or uSwitch. Contract lengths vary. 18 months is standard. Some offer 12. Ask about setup fees. They range from free to £50+. Run a speed test after installation. If speeds don't match what you're paying for, complain.
All data on this page comes from official public sources. Ofcom publishes broadband stats yearly. Police.uk updates monthly. The Land Registry records every sale. We pull it together so you can see the full picture in one place.
Research is one thing. Being there is another. Walk around SG4 7PJ at different times of day. Check if the streets feel safe after dark. Look at how well homes are maintained. Visit the nearest park or green space. These things don't show up in statistics.
Those are the facts for SG4 7PJ. Compare with other postcodes you're considering. Each section above links to its official source. The data is objective. Your priorities decide which trade-offs matter. What works for a young professional differs from a family with children. Check back for updated figures as new data comes in.
Broadband availability
Source: Ofcom Connected Nations 2025 (Jul 2025)
| Technology | Available | Coverage | Typical Speed |
|---|---|---|---|
| Standard (ADSL) | 20% | 20% | 10-20 Mbps |
| Superfast (30+ Mbps) | 20% | 20% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 0% | 0% | 100-300 Mbps |
| Full Fibre (FTTP) | 0% | 0% | 300-900 Mbps |
| Gigabit | 0% | 0% | 900-1,000 Mbps |
Speed Distribution at SG4 7PJ
Source: Ofcom Connected Nations 2025
Mobile coverage
4G & 5G coverage · Ofcom Connected Nations 2025
4G Outdoor
4G Indoor
5G Outdoor
Networks with 4G
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Map
Schools nearby
Nearest schools within 5 miles · Ofsted ratings as at Jan 2026
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Check Deals →Flood risk
🟠
Flood risk: Medium
This postcode is in undefined — medium risk of flooding from rivers and sea.
Flood Zone
Risk Level
Medium
Council tax bands
Band distribution for North Hertfordshire
Most common: Band
Annual council tax estimates for , 2024/25
Transport links
Nearest train stations and towns
Nearest train stations
No train stations found within 15 miles
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
Area info
Parish
Langley
District
North Hertfordshire
Region
Constituency
LSOA
E01023623
Frequently asked questions about SG4 7PJ
What are the broadband speeds available at SG4 7PJ?
Superfast broadband (30Mbps+) is available to 20% of premises at SG4 7PJ. Maximum download speeds reach not confirmed. Ultrafast coverage is at 0%.
What is the average house price near SG4 7PJ?
No recent house price data for SG4 7PJ. Few residential sales on record, or mainly commercial properties.
What is the flood risk for properties at SG4 7PJ?
SG4 7PJ has a Medium flood risk rating, classified as Unknown by the Environment Agency. Check the Environment Agency flood map for detailed risk information.
What is the mobile signal like at SG4 7PJ?
4G outdoor coverage at SG4 7PJ is 95%, with 5G outdoor at not yet available. Networks available include EE, O2, Three, Vodafone. Data is at local authority level from Ofcom Connected Nations.
What is the most common energy efficiency rating for homes near SG4 7PJ?
EPC data is not yet available for SG4 7PJ. Energy Performance Certificates are recorded when properties are sold or rented. Check the EPC register at epc.opendatacommunities.org for individual property ratings.
What is the air quality like at SG4 7PJ?
Air quality at SG4 7PJ is rated Unknown with PM2.5 levels at not measured. Check Open-Meteo for detailed air quality forecasts.
How far is the nearest EV charging point from SG4 7PJ?
EV charging data is not yet available for SG4 7PJ. Check Zap-Map (zap-map.com) for the latest public charging locations near you.
Can I get full fibre broadband at SG4 7PJ?
Ultrafast broadband is not currently available at SG4 7PJ. Standard and superfast options may still be available. Check with providers for the latest rollout plans.
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