CM17 postcode
Broadband in CM17 0JJ
Harlow, Harlow
Superfast broadband covers 100% of premises here.
Free, independent comparison · Ofcom verified data · Updated 6 March 2026
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 CM17 0JJ is ~30 Mbps. That covers your 14 Mbps estimate.
Speed Test
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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) | 0% | 0% | 100-300 Mbps |
| Full Fibre (FTTP) | 0% | 0% | 300-900 Mbps |
| Gigabit | 0% | 0% | 900-1,000 Mbps |
Speed Distribution at CM17 0JJ
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 Harlow
Most common: Band
Annual council tax estimates for , 2024/25
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Looking at CM17 0JJ in Harlow? Here is what the data says. From broadband coverage to crime rates, this is the full picture. All numbers are from official sources. The guide is updated as new data becomes available.
100% of premises at CM17 0JJ can access superfast broadband. The UK average is 93%. This postcode meets or exceeds that benchmark.
Looking at the full speed profile for CM17 0JJ gives a better picture of what to expect. 100% 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.
Here is how the broadband at CM17 0JJ 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 CM17 0JJ 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 CM17 0JJ, 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 CM17 0JJ 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 CM17 0JJ 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.
Suitability scores for CM17 0JJ: remote working 55/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
The local authority for CM17 0JJ is Harlow. The CM17 postcode area contains 522 postcodes on this site. Superfast broadband across CM17 ranges from 0% to 100%. CM17 0JJ is close to the area average of 97%.
How does CM17 0JJ compare to its neighbours? CM17 0JA (0.01 miles, harlow-unparished-area) has 100% superfast coverage and 0% gigabit. Coverage is broadly similar across these neighbouring postcodes.
Not every property at CM17 0JJ 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.
Harlow offers a mix of residential properties and local amenities. The character of any area is best judged in person.
Pulling the data together for CM17 0JJ, here is what stands out. Connectivity at CM17 0JJ is a strength. Strong broadband coverage gives flexibility for both working and leisure. The area scores well on that front. Harlow 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. Harlow 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.
Before making a decision about CM17 0JJ, visit in person. Check the commute at rush hour. Try the mobile signal indoors. Look at local shops and green spaces. Ask about broadband reliability, not just speed. Data sets the scene, but real life fills in the gaps.
This covers the key data for CM17 0JJ. Broadband, property, schools, safety, and local services all in one place. For area-wide trends, see the Harlow 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 CM17 0JJ
What are the broadband speeds available at CM17 0JJ?
Superfast broadband (30 Mbps+) is available to 100% of premises at CM17 0JJ.
What is the average house price near CM17 0JJ?
No recent house price data is available for CM17 0JJ.
What is the flood risk for properties at CM17 0JJ?
CM17 0JJ has a Medium flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the CM17 0JJ area?
School data for CM17 0JJ is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in CM17 0JJ compare to other areas?
Crime data for this area is being updated.
How suitable is CM17 0JJ for remote working?
CM17 0JJ scores 55/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at CM17 0JJ?
4G outdoor coverage at CM17 0JJ is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near CM17 0JJ?
EPC data for CM17 0JJ is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at CM17 0JJ?
Council tax band information for CM17 0JJ is being updated.
How accessible are GP surgeries near CM17 0JJ?
GP surgery data for CM17 0JJ is being updated. Check NHS.uk for the latest.
What transport links are available near CM17 0JJ?
Transport data for CM17 0JJ is being updated.
Is CM17 0JJ a suitable area for families?
CM17 0JJ scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at CM17 0JJ?
Air quality data for CM17 0JJ is being updated.
How far is the nearest EV charging point from CM17 0JJ?
EV charging data for CM17 0JJ is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at CM17 0JJ?
Full fibre availability at CM17 0JJ is being updated. Check Openreach for the latest rollout status.
Area suitability scores
CM17 0JJRemote 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
Harlow
District
Harlow
Region
Constituency
LSOA
E01034363
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