CF40 postcode
Broadband in CF40 1SB
Tonyrefail, Rhondda Cynon Taf
Superfast broadband covers 75% of premises here.
Free, independent comparison · Ofcom verified data · Updated 20 March 2026
Flood Risk
Low
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 CF40 1SB is ~30 Mbps. That covers your 14 Mbps estimate.
Speed Test
Check your current download speed and see how it compares to what is available at CF40 1SB.
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) | 75% | 75% | 10-20 Mbps |
| Superfast (30+ Mbps) | 75% | 75% | 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 CF40 1SB
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: Low
This postcode is in undefined — low risk of flooding from rivers and sea.
Flood Zone
Risk Level
Low
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 Rhondda Cynon Taf
Most common: Band
Annual council tax estimates for , 2024/25
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Looking at CF40 1SB in Tonyrefail? 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.
Superfast broadband (30 Mbps+) coverage at CF40 1SB stands at 75%. That is below the UK average of 93%.
Looking at the full speed profile for CF40 1SB gives a better picture of what to expect. 25% of connections fall in the 10 to 30 Mbps range. 75% 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.
Translating the numbers at CF40 1SB into daily use gives a clearer picture.
FWA broadband has not reached CF40 1SB yet. Satellite services like Starlink or 4G home broadband routers can fill the gap where fixed-line options are limited.
0% of premises at CF40 1SB 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 CF40 1SB is rated Low. Minor precautions may be worth considering. Check with insurers about any loading on premiums.
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 CF40 1SB 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 CF40 1SB: remote working 35/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
CF40 1SB falls within the Rhondda Cynon Taf local authority area. The immediate area is Tonyrefail, a distinct community within the wider district. The CF40 postcode area contains 468 postcodes on this site. Superfast broadband across CF40 ranges from 0% to 100%. CF40 1SB is below the area average of 99%.
Broadband availability varies by provider and by property. At CF40 1SB, check individual coverage tools from BT, Sky, Virgin Media, and local operators. 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.
Every part of Tonyrefail has its own feel. This data gives you the factual starting point. A visit fills in the rest.
Looking at the overall picture for CF40 1SB, a few things are worth highlighting. Rhondda Cynon Taf 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. Tonyrefail 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 CF40 1SB, 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.
CF40 1SB in Tonyrefail: 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 CF40 1SB
What are the broadband speeds available at CF40 1SB?
Superfast broadband (30 Mbps+) is available to 75% of premises at CF40 1SB.
What is the average house price near CF40 1SB?
No recent house price data is available for CF40 1SB.
What is the flood risk for properties at CF40 1SB?
CF40 1SB has a Low flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the CF40 1SB area?
School data for CF40 1SB is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in CF40 1SB compare to other areas?
Crime data for this area is being updated.
How suitable is CF40 1SB for remote working?
CF40 1SB scores 35/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at CF40 1SB?
4G outdoor coverage at CF40 1SB is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near CF40 1SB?
EPC data for CF40 1SB is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at CF40 1SB?
Council tax band information for CF40 1SB is being updated.
How accessible are GP surgeries near CF40 1SB?
GP surgery data for CF40 1SB is being updated. Check NHS.uk for the latest.
What transport links are available near CF40 1SB?
Transport data for CF40 1SB is being updated.
Is CF40 1SB a suitable area for families?
CF40 1SB scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at CF40 1SB?
Air quality data for CF40 1SB is being updated.
How far is the nearest EV charging point from CF40 1SB?
EV charging data for CF40 1SB is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at CF40 1SB?
Full fibre availability at CF40 1SB is being updated. Check Openreach for the latest rollout status.
Area suitability scores
CF40 1SBRemote 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
Tonyrefail
District
Rhondda Cynon Taf
Region
Constituency
LSOA
W01001253
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