SG4 postcode
Broadband in SG4 8YE
Codicote, North Hertfordshire
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 SG4 8YE. 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 SG4 8YE.
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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) | 75% | 75% | 100-300 Mbps |
| Full Fibre (FTTP) | 0% | 0% | 300-900 Mbps |
| Gigabit | 75% | 75% | 900-1,000 Mbps |
Speed Distribution at SG4 8YE
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 North Hertfordshire
Most common: Band
Annual council tax estimates for , 2024/25
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This is the area guide for SG4 8YE, located in Codicote (North Hertfordshire). It covers connectivity, property, safety, and local services. Every claim links back to a specific data point. Read on for the detail.
Superfast broadband (30 Mbps+) coverage at SG4 8YE stands at 100%. That is above the UK average of 93%. Ultrafast broadband (100 Mbps+) reaches 75% of properties. Over half of premises have access to faster tiers. Gigabit-capable connections cover 75% of premises. Gigabit is available but not yet widespread at this postcode.
The speed distribution at SG4 8YE tells a more detailed story than headline figures alone. 25% of connections fall in the 30 to 300 Mbps range. 75% 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 SG4 8YE 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 SG4 8YE 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 SG4 8YE, 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 SG4 8YE 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 SG4 8YE 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 SG4 8YE: remote working 55/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
SG4 8YE falls within the North Hertfordshire local authority area. The immediate area is Codicote, a distinct community within the wider district. The SG4 postcode area contains 890 postcodes on this site. Superfast broadband across SG4 ranges from 0% to 100%. SG4 8YE is above the area average of 92%.
How does SG4 8YE compare to its neighbours? SG4 8YL (0.04 miles, codicote) has 100% superfast coverage and 100% gigabit. Coverage is broadly similar across these neighbouring postcodes.
Broadband availability varies by provider and by property. At SG4 8YE, 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 Codicote depends on what matters to you. Broadband, transport, and local services vary by street.
Pulling the data together for SG4 8YE, here is what stands out. Connectivity at SG4 8YE is a strength. Strong broadband coverage gives flexibility for both working and leisure. The area scores well on that front. North Hertfordshire 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. Codicote 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 SG4 8YE. 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 SG4 8YE. Broadband, property, schools, safety, and local services all in one place. For area-wide trends, see the Codicote 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 SG4 8YE
What are the broadband speeds available at SG4 8YE?
Superfast broadband (30 Mbps+) is available to 100% of premises at SG4 8YE. Ultrafast coverage is at 75%.
What is the average house price near SG4 8YE?
No recent house price data is available for SG4 8YE.
What is the flood risk for properties at SG4 8YE?
SG4 8YE has a Medium flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the SG4 8YE area?
School data for SG4 8YE is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in SG4 8YE compare to other areas?
Crime data for this area is being updated.
How suitable is SG4 8YE for remote working?
SG4 8YE scores 55/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at SG4 8YE?
4G outdoor coverage at SG4 8YE is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near SG4 8YE?
EPC data for SG4 8YE is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at SG4 8YE?
Council tax band information for SG4 8YE is being updated.
How accessible are GP surgeries near SG4 8YE?
GP surgery data for SG4 8YE is being updated. Check NHS.uk for the latest.
What transport links are available near SG4 8YE?
Transport data for SG4 8YE is being updated.
Is SG4 8YE a suitable area for families?
SG4 8YE scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at SG4 8YE?
Air quality data for SG4 8YE is being updated.
How far is the nearest EV charging point from SG4 8YE?
EV charging data for SG4 8YE is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at SG4 8YE?
Ultrafast broadband (100 Mbps+) reaches 75% of premises. Check Openreach and local operators for FTTP availability.
Area suitability scores
SG4 8YERemote 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.
Map
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Area info
Parish
Codicote
District
North Hertfordshire
Region
Constituency
LSOA
E01023596
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