SG3 postcode

Broadband in SG3 6QJ

Codicote, North Hertfordshire

Gigabit broadband is available at this postcode.

Best speedGigabit (1Gbps+)
StandardSuperfastGigabit
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Free, independent comparison · Ofcom verified data · Updated 1 March 2026

Flood Risk

Medium

Fibre (FTTP)

No

Best speed

Gigabit (1Gbps+)

Reviewed by Rex BlackwellData last verified: 1 March 2026

Speed Calculator

Adjust the options below to see how much broadband speed your household needs.

2
18

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.

Estimated speed needed14 Mbps

Gigabit broadband (Gigabit (1Gbps+)) is available at SG3 6QJ. That covers your 14 Mbps needs with room to spare.

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Speed Test

Check your current download speed and see how it compares to what is available at SG3 6QJ.

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)

TechnologyAvailableCoverageTypical Speed
Standard (ADSL)41%
41%
10-20 Mbps
Superfast (30+ Mbps)41%
41%
30-80 Mbps
Ultrafast (100+ Mbps)41%
41%
100-300 Mbps
Full Fibre (FTTP)0%
0%
300-900 Mbps
Gigabit41%
41%
900-1,000 Mbps

Speed Distribution at SG3 6QJ

5–10 Mbps (34%)
10–30 Mbps (25%)
300+ Mbps (41%)

Source: Ofcom Connected Nations 2025

Mobile coverage

4G & 5G coverage · Ofcom Connected Nations 2025

4G Outdoor

95%

4G Indoor

85%

5G Outdoor

%

Networks with 4G

EEO2ThreeVodafone
Ofcom Connected Nations 2025

Schools nearby

Nearest schools within 5 miles · Ofsted ratings as at Jan 2026

Schools data is currently unavailable.

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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

Environment Agency

Air quality

Particulate matter & nitrogen dioxide levels

air quality

Air quality data not available.

PM2.5 (fine particles) μg/m³

WHO guideline: 15 μg/m³

PM10 (coarse particles) μg/m³

WHO guideline: 45 μg/m³

NO₂ (nitrogen dioxide) μg/m³

WHO guideline: 25 μg/m³

DEFRA UK-AIR · Guidelines: WHO 2021

Transport links

Nearest train stations and towns

Nearest train stations

No train stations found within 15 miles

Network Rail / National Rail · Straight-line distances

Council tax bands

Band distribution for North Hertfordshire

Most common: Band

A
5%£1,381
B
10%£1,611
C
20%£1,841
D
25%£2,071
E
20%£2,531
F
10%£2,991
G
8%£3,452
H
2%£4,142

Annual council tax estimates for , 2024/25

VOA (Valuation Office Agency)

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Living near SG3 6QJ

This is the area guide for SG3 6QJ, 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 coverage here stands at 40.6%. Nationally, 93% of UK premises have access. Some properties may struggle with speed. Ultrafast broadband (100 Mbps+) reaches 40.6% of properties. Fewer than half of homes here can get ultrafast speeds. Gigabit-capable connections cover 40.6% of premises. Gigabit is available but not yet widespread at this postcode.

Here is how broadband speeds break down across premises at SG3 6QJ. 34.4% of connections fall in the 5 to 10 Mbps range. 25% of connections fall in the 10 to 30 Mbps range. 40.6% 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. 40.6% of premises can hit 300 Mbps or more. That is enough for demanding multi-device households.

Here is how the broadband at SG3 6QJ maps against common household needs. 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 SG3 6QJ 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 SG3 6QJ, 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 40.6% of the area. NGA typically means speeds of 24 Mbps or above.

Flood risk at SG3 6QJ 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.

4G outdoor coverage at SG3 6QJ 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 SG3 6QJ: remote working 35/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.

SG3 6QJ falls within the North Hertfordshire local authority area. The immediate area is Codicote, a distinct community within the wider district. The SG3 postcode area contains 202 postcodes on this site. Superfast broadband across SG3 ranges from 0% to 100%. SG3 6QJ is below the area average of 97%.

Not every property at SG3 6QJ gets the same speeds. Run a postcode check with each provider before signing up. Headline speeds are not guarantees. 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 SG3 6QJ, here is what stands out. 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 SG3 6QJ. 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.

That is the full data picture for SG3 6QJ in Codicote. 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 SG3 6QJ

What are the broadband speeds available at SG3 6QJ?

Superfast broadband (30 Mbps+) is available to 40.6% of premises at SG3 6QJ. Ultrafast coverage is at 40.6%.

What is the average house price near SG3 6QJ?

No recent house price data is available for SG3 6QJ.

What is the flood risk for properties at SG3 6QJ?

SG3 6QJ has a Medium flood risk rating. Check Environment Agency maps for detail.

What schools are nearby in the SG3 6QJ area?

School data for SG3 6QJ is being updated. Check the Get Information About Schools service for the latest.

How does crime rate in SG3 6QJ compare to other areas?

Crime data for this area is being updated.

How suitable is SG3 6QJ for remote working?

SG3 6QJ scores 35/100 for remote working suitability. Speeds may limit video-heavy workflows.

What is the mobile signal like at SG3 6QJ?

4G outdoor coverage at SG3 6QJ is 95%. Indoor coverage may be lower.

What is the most common energy efficiency rating near SG3 6QJ?

EPC data for SG3 6QJ is being updated. Check the EPC register for individual property ratings.

What is the council tax band distribution at SG3 6QJ?

Council tax band information for SG3 6QJ is being updated.

How accessible are GP surgeries near SG3 6QJ?

GP surgery data for SG3 6QJ is being updated. Check NHS.uk for the latest.

What transport links are available near SG3 6QJ?

Transport data for SG3 6QJ is being updated.

Is SG3 6QJ a suitable area for families?

SG3 6QJ scores 50/100 for family suitability. Check school and crime sections above for detail.

What is the air quality like at SG3 6QJ?

Air quality data for SG3 6QJ is being updated.

How far is the nearest EV charging point from SG3 6QJ?

EV charging data for SG3 6QJ is being updated. Check Zap-Map for the latest.

Can I get full fibre broadband at SG3 6QJ?

Ultrafast broadband (100 Mbps+) reaches 40.6% of premises. Check Openreach and local operators for FTTP availability.

Area suitability scores

SG3 6QJ

Remote Worker

35

Based on superfast broadband coverage, FTTP %, and 4G mobile outdoor coverage.

Family

50

Based on Ofsted school ratings, crime rate, flood risk, and GP surgery proximity.

Value for Money

50

Based on broadband quality relative to average house price in the area.

Map

Area info

Parish

Codicote

District

North Hertfordshire

Region

Constituency

LSOA

E01023627

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