CM17 postcode
Broadband in CM17 0DW
Harlow, Harlow
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data · Updated 17 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 CM17 0DW. 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 CM17 0DW.
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) | 62% | 62% | 10-20 Mbps |
| Superfast (30+ Mbps) | 62% | 62% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 58% | 58% | 100-300 Mbps |
| Full Fibre (FTTP) | N/A | N/A | 300-900 Mbps |
| Gigabit | 55% | 55% | 900-1,000 Mbps |
Speed Distribution at CM17 0DW
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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Check Deals →Living near CM17 0DW
This is the area guide for CM17 0DW, located in Harlow. 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 61.8%. Nationally, 93% of UK premises have access. Some properties may struggle with speed. Ultrafast broadband (100 Mbps+) reaches 58.2% of properties. Over half of premises have access to faster tiers. Gigabit-capable connections cover 54.5% of premises. Gigabit is available but not yet widespread at this postcode.
Looking at the full speed profile for CM17 0DW gives a better picture of what to expect. 38.2% of connections fall in the 5 to 10 Mbps range. 3.6% of connections fall in the 30 to 300 Mbps range. 58.2% 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 CM17 0DW maps against common household needs.
FWA broadband has not reached CM17 0DW yet. Satellite services like Starlink or 4G home broadband routers can fill the gap where fixed-line options are limited.
0% of premises at CM17 0DW fall below the Universal Service Obligation of 10 Mbps. Every property here meets the minimum standard. That is not the case everywhere. Next-generation access (NGA) reaches 61.8% of the area. NGA typically means speeds of 24 Mbps or above.
Flood risk at CM17 0DW 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 0DW 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 CM17 0DW: remote working 35/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
The local authority for CM17 0DW is Harlow. The CM17 postcode area contains 522 postcodes on this site. Superfast broadband across CM17 ranges from 0% to 100%. CM17 0DW is below the area average of 97%.
How does CM17 0DW compare to its neighbours? CM17 0DN (0.02 miles, harlow-unparished-area) has 60% superfast coverage and 55% gigabit. CM17 0DB (0.04 miles, harlow-unparished-area) has 100% superfast coverage and 100% gigabit. CM17 0AX (0.04 miles, harlow-unparished-area) has 100% superfast coverage and 100% gigabit. CM17 0FE (0.05 miles, harlow-unparished-area) has 100% superfast coverage and 0% gigabit. Neighbouring postcodes tend to have better superfast coverage.
When choosing a broadband provider at CM17 0DW, check what technology reaches your specific address. Availability varies by street and sometimes by building. 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 Harlow depends on what matters to you. Broadband, transport, and local services vary by street.
Looking at the overall picture for CM17 0DW, a few things are worth highlighting. 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 0DW, 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 0DW. 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 0DW
What are the broadband speeds available at CM17 0DW?
Superfast broadband (30 Mbps+) is available to 61.8% of premises at CM17 0DW. Ultrafast coverage is at 58.2%.
What is the average house price near CM17 0DW?
No recent house price data is available for CM17 0DW.
What is the flood risk for properties at CM17 0DW?
CM17 0DW has a Medium flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the CM17 0DW area?
School data for CM17 0DW is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in CM17 0DW compare to other areas?
Crime data for this area is being updated.
How suitable is CM17 0DW for remote working?
CM17 0DW scores 35/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at CM17 0DW?
4G outdoor coverage at CM17 0DW is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near CM17 0DW?
EPC data for CM17 0DW is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at CM17 0DW?
Council tax band information for CM17 0DW is being updated.
How accessible are GP surgeries near CM17 0DW?
GP surgery data for CM17 0DW is being updated. Check NHS.uk for the latest.
What transport links are available near CM17 0DW?
Transport data for CM17 0DW is being updated.
Is CM17 0DW a suitable area for families?
CM17 0DW scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at CM17 0DW?
Air quality data for CM17 0DW is being updated.
How far is the nearest EV charging point from CM17 0DW?
EV charging data for CM17 0DW is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at CM17 0DW?
Ultrafast broadband (100 Mbps+) reaches 58.2% of premises. Check Openreach and local operators for FTTP availability.
Area suitability scores
CM17 0DWRemote Worker
35Based 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
Harlow
District
Harlow
Region
Constituency
LSOA
E01021855
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