SG4 postcode
Broadband in SG4 8YA
Codicote, North Hertfordshire
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data · Updated 11 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 8YA. 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 8YA.
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) | 100% | 100% | 10-20 Mbps |
| Superfast (30+ Mbps) | 100% | 100% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 100% | 100% | 100-300 Mbps |
| Full Fibre (FTTP) | N/A | N/A | 300-900 Mbps |
| Gigabit | 100% | 100% | 900-1,000 Mbps |
Speed Distribution at SG4 8YA
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 8YA, located in Codicote (North Hertfordshire). It covers connectivity, property, safety, and local services. Every claim links back to a specific data point.
100% of premises at SG4 8YA can access superfast broadband. Ultrafast (100 Mbps+) reaches 100% of properties. Gigabit-capable connections cover 100% of premises.
Next-generation access (NGA) reaches 100% of the area. 100% of connections can achieve 300 Mbps or faster.
Flood risk at SG4 8YA is rated Medium. Check Environment Agency flood maps for detailed information.
Coverage data includes EE,O2,Three,Vodafone.
Suitability scores for SG4 8YA: remote working 55/100, family 50/100, value 50/100. Remote workers may want to check actual speeds before committing.
When choosing a broadband provider at SG4 8YA, check what technology reaches your specific address. Compare contract lengths and total costs, not just headline speeds.
Codicote offers a mix of local amenities and residential properties. The character of the area is best judged by visiting in person.
Data sources include Ofcom (broadband), 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. All figures are the latest available at the time of writing.
Numbers tell part of the story. Visit at different times of day. Talk to neighbours. Check mobile signal indoors. Walk the route to the nearest school or station. These things do not show up in data.
This covers the key data for SG4 8YA. Broadband, property, schools, safety, and local services all in one place. Check back periodically as data updates. For area-wide trends, see the Codicote district page.
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 8YA
What are the broadband speeds available at SG4 8YA?
Superfast broadband (30 Mbps+) is available to 100% of premises at SG4 8YA. Ultrafast coverage is at 100%.
What is the average house price near SG4 8YA?
No recent house price data is available for SG4 8YA.
What is the flood risk for properties at SG4 8YA?
SG4 8YA has a Medium flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the SG4 8YA area?
School data for SG4 8YA is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in SG4 8YA compare to other areas?
Crime data for this area is being updated.
How suitable is SG4 8YA for remote working?
SG4 8YA scores 55/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at SG4 8YA?
Mobile coverage data for SG4 8YA is being updated. Check Ofcom coverage maps for the latest.
What is the most common energy efficiency rating near SG4 8YA?
EPC data for SG4 8YA is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at SG4 8YA?
Council tax band information for SG4 8YA is being updated.
How accessible are GP surgeries near SG4 8YA?
GP surgery data for SG4 8YA is being updated. Check NHS.uk for the latest.
What transport links are available near SG4 8YA?
Transport data for SG4 8YA is being updated.
Is SG4 8YA a suitable area for families?
SG4 8YA scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at SG4 8YA?
Air quality data for SG4 8YA is being updated.
How far is the nearest EV charging point from SG4 8YA?
EV charging data for SG4 8YA is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at SG4 8YA?
Ultrafast broadband (100 Mbps+) reaches 100% of premises. Full fibre status may vary by provider. Check Openreach and local operators for FTTP availability.
Area suitability scores
SG4 8YARemote 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
Area info
Parish
Codicote
District
North Hertfordshire
Region
Constituency
LSOA
E01023596
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