CM77 postcode
Broadband in CM77 6SR
Rayne, Braintree
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 CM77 6SR. 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 CM77 6SR.
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) | 33% | 33% | 10-20 Mbps |
| Superfast (30+ Mbps) | 33% | 33% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 33% | 33% | 100-300 Mbps |
| Full Fibre (FTTP) | N/A | N/A | 300-900 Mbps |
| Gigabit | 33% | 33% | 900-1,000 Mbps |
Speed Distribution at CM77 6SR
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 Braintree
Most common: Band
Annual council tax estimates for , 2024/25
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Check Deals →Living near CM77 6SR
This is the area guide for CM77 6SR, located in Rayne (Braintree). It covers connectivity, property, safety, and local services. Every claim links back to a specific data point. Read on for the detail.
33.3% of premises at CM77 6SR can access superfast broadband. The UK average is 93%. There is room for improvement here. Ultrafast broadband (100 Mbps+) reaches 33.3% of properties. Fewer than half of homes here can get ultrafast speeds. Gigabit-capable connections cover 33.3% of premises. Gigabit is available but not yet widespread at this postcode.
Looking at the full speed profile for CM77 6SR gives a better picture of what to expect. 66.7% of connections fall in the 10 to 30 Mbps range. 33.3% 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. 33.3% of premises can hit 300 Mbps or more. That is enough for demanding multi-device households.
What do the broadband speeds at CM77 6SR mean in practice? Superfast coverage is limited here. Streaming HD video should work on one device. Multiple simultaneous streams may struggle during peak hours.
Fixed Wireless Access is not currently available at CM77 6SR. For properties without fibre, 4G or 5G home broadband from Three, EE, or Vodafone may be an alternative.
0% of premises at CM77 6SR 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 100% of the area. NGA typically means speeds of 24 Mbps or above.
Flood risk at CM77 6SR 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 CM77 6SR 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. Strong 4G coverage combined with limited fixed broadband means 4G home broadband could be a practical alternative here.
Suitability scores for CM77 6SR: remote working 35/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
CM77 6SR falls within the Braintree local authority area. The immediate area is Rayne, a distinct community within the wider district. The CM77 postcode area contains 451 postcodes on this site. Superfast broadband across CM77 ranges from 0% to 100%. CM77 6SR is below the area average of 92%.
Not every property at CM77 6SR 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.
Rayne offers a mix of residential properties and local amenities. The character of any area is best judged in person.
What does all of this mean for someone considering CM77 6SR? Braintree 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. Rayne 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 CM77 6SR, 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.
CM77 6SR in Rayne: broadband, house prices, crime, schools, and more. All from verified sources. Run a speed test above for a live reading. Compare with nearby postcodes to see how this area stacks up against its neighbours.
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 CM77 6SR
What are the broadband speeds available at CM77 6SR?
Superfast broadband (30 Mbps+) is available to 33.3% of premises at CM77 6SR. Ultrafast coverage is at 33.3%.
What is the average house price near CM77 6SR?
No recent house price data is available for CM77 6SR.
What is the flood risk for properties at CM77 6SR?
CM77 6SR has a Medium flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the CM77 6SR area?
School data for CM77 6SR is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in CM77 6SR compare to other areas?
Crime data for this area is being updated.
How suitable is CM77 6SR for remote working?
CM77 6SR scores 35/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at CM77 6SR?
4G outdoor coverage at CM77 6SR is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near CM77 6SR?
EPC data for CM77 6SR is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at CM77 6SR?
Council tax band information for CM77 6SR is being updated.
How accessible are GP surgeries near CM77 6SR?
GP surgery data for CM77 6SR is being updated. Check NHS.uk for the latest.
What transport links are available near CM77 6SR?
Transport data for CM77 6SR is being updated.
Is CM77 6SR a suitable area for families?
CM77 6SR scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at CM77 6SR?
Air quality data for CM77 6SR is being updated.
How far is the nearest EV charging point from CM77 6SR?
EV charging data for CM77 6SR is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at CM77 6SR?
Ultrafast broadband (100 Mbps+) reaches 33.3% of premises. Check Openreach and local operators for FTTP availability.
Area suitability scores
CM77 6SRRemote 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
Rayne
District
Braintree
Region
Constituency
LSOA
E01021405
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