BT70 postcode
Broadband in BT70 3NU
Castlecaulfield, Mid Ulster
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data · Updated 25 March 2026
Flood Risk
Low
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 BT70 3NU. 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 BT70 3NU.
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) | 100% | 100% | 10-20 Mbps |
| Superfast (30+ Mbps) | 100% | 100% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 100% | 100% | 100-300 Mbps |
| Full Fibre (FTTP) | N/A | N/A | 300-900 Mbps |
| Gigabit | 100% | 100% | 900-1,000 Mbps |
Speed Distribution at BT70 3NU
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 Mid Ulster
Most common: Band
Annual council tax estimates for , 2024/25
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Looking at BT70 3NU in Castlecaulfield? 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 coverage here stands at 100%. Nationally, 93% of UK premises have access. Coverage at this postcode is strong. Ultrafast broadband (100 Mbps+) reaches 100% of properties. That is solid coverage for bandwidth-heavy households. Gigabit-capable connections cover 100% of premises. Most homes can access gigabit speeds if they choose to.
Looking at the full speed profile for BT70 3NU gives a better picture of what to expect. 100% 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.
Translating the numbers at BT70 3NU into daily use gives a clearer picture. Most premises have superfast speeds. Remote working with video calls and cloud tools should be manageable for most households.
FWA broadband has not reached BT70 3NU yet. Satellite services like Starlink or 4G home broadband routers can fill the gap where fixed-line options are limited.
0% of premises at BT70 3NU 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 BT70 3NU 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 BT70 3NU 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 BT70 3NU: remote working 55/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
The local authority for BT70 3NU is Mid Ulster. The immediate area is Castlecaulfield, a distinct community within the wider district. The BT70 postcode area contains 631 postcodes on this site. Superfast broadband across BT70 ranges from 0% to 100%. BT70 3NU is close to the area average of 96%.
Not every property at BT70 3NU 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.
Castlecaulfield offers a mix of residential properties and local amenities. The character of any area is best judged in person.
Looking at the overall picture for BT70 3NU, a few things are worth highlighting. Connectivity at BT70 3NU is a strength. Strong broadband coverage gives flexibility for both working and leisure. The area scores well on that front. Mid Ulster 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. Castlecaulfield 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 BT70 3NU. 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 BT70 3NU in Castlecaulfield. 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 BT70 3NU
What are the broadband speeds available at BT70 3NU?
Superfast broadband (30 Mbps+) is available to 100% of premises at BT70 3NU. Ultrafast coverage is at 100%.
What is the average house price near BT70 3NU?
No recent house price data is available for BT70 3NU.
What is the flood risk for properties at BT70 3NU?
BT70 3NU has a Low flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the BT70 3NU area?
School data for BT70 3NU is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in BT70 3NU compare to other areas?
Crime data for this area is being updated.
How suitable is BT70 3NU for remote working?
BT70 3NU scores 55/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at BT70 3NU?
4G outdoor coverage at BT70 3NU is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near BT70 3NU?
EPC data for BT70 3NU is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at BT70 3NU?
Council tax band information for BT70 3NU is being updated.
How accessible are GP surgeries near BT70 3NU?
GP surgery data for BT70 3NU is being updated. Check NHS.uk for the latest.
What transport links are available near BT70 3NU?
Transport data for BT70 3NU is being updated.
Is BT70 3NU a suitable area for families?
BT70 3NU scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at BT70 3NU?
Air quality data for BT70 3NU is being updated.
How far is the nearest EV charging point from BT70 3NU?
EV charging data for BT70 3NU is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at BT70 3NU?
Ultrafast broadband (100 Mbps+) reaches 100% of premises. Check Openreach and local operators for FTTP availability.
Area suitability scores
BT70 3NURemote 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
Area info
Parish
Castlecaulfield
District
Mid Ulster
Region
Constituency
LSOA
N21000686
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