BT48 postcode
Broadband in BT48 8DB
Culmore, Derry City and Strabane
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data · Updated 29 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 BT48 8DB. That covers your 14 Mbps needs with room to spare.
Speed Test
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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) | 20% | 20% | 100-300 Mbps |
| Full Fibre (FTTP) | N/A | N/A | 300-900 Mbps |
| Gigabit | 20% | 20% | 900-1,000 Mbps |
Speed Distribution at BT48 8DB
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 Derry City and Strabane
Most common: Band
Annual council tax estimates for , 2024/25
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BT48 8DB sits in Culmore, part of Derry City and Strabane. This guide covers broadband speeds, house prices, schools, and more. Every figure comes from verified public data sources. Use it alongside your own research when comparing areas.
Superfast broadband (30 Mbps+) coverage at BT48 8DB stands at 100%. That is above the UK average of 93%. Ultrafast broadband (100 Mbps+) reaches 20% of properties. Fewer than half of homes here can get ultrafast speeds. Gigabit-capable connections cover 20% of premises. Gigabit is available but not yet widespread at this postcode.
Here is how broadband speeds break down across premises at BT48 8DB. 80% of connections fall in the 30 to 300 Mbps range. 20% 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.
Here is how the broadband at BT48 8DB maps against common household needs. Most premises have superfast speeds. Remote working with video calls and cloud tools should be manageable for most households.
Fixed Wireless Access is not currently available at BT48 8DB. For properties without fibre, 4G or 5G home broadband from Three, EE, or Vodafone may be an alternative.
The USO guarantees every UK home at least 10 Mbps. At BT48 8DB, 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 BT48 8DB 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 BT48 8DB 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 BT48 8DB: remote working 55/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
The local authority for BT48 8DB is Derry City and Strabane. The immediate area is Culmore, a distinct community within the wider district. The BT48 postcode area contains 1102 postcodes on this site. Superfast broadband across BT48 ranges from 0% to 100%. BT48 8DB is close to the area average of 98%.
Not every property at BT48 8DB 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.
Life in Culmore depends on what matters to you. Broadband, transport, and local services vary by street.
Looking at the overall picture for BT48 8DB, a few things are worth highlighting. Connectivity at BT48 8DB is a strength. Strong broadband coverage gives flexibility for both working and leisure. The area scores well on that front. Derry City and Strabane 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. Culmore 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 BT48 8DB, 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.
That is the full data picture for BT48 8DB in Culmore. 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 BT48 8DB
What are the broadband speeds available at BT48 8DB?
Superfast broadband (30 Mbps+) is available to 100% of premises at BT48 8DB. Ultrafast coverage is at 20%.
What is the average house price near BT48 8DB?
No recent house price data is available for BT48 8DB.
What is the flood risk for properties at BT48 8DB?
BT48 8DB has a Low flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the BT48 8DB area?
School data for BT48 8DB is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in BT48 8DB compare to other areas?
Crime data for this area is being updated.
How suitable is BT48 8DB for remote working?
BT48 8DB scores 55/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at BT48 8DB?
4G outdoor coverage at BT48 8DB is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near BT48 8DB?
EPC data for BT48 8DB is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at BT48 8DB?
Council tax band information for BT48 8DB is being updated.
How accessible are GP surgeries near BT48 8DB?
GP surgery data for BT48 8DB is being updated. Check NHS.uk for the latest.
What transport links are available near BT48 8DB?
Transport data for BT48 8DB is being updated.
Is BT48 8DB a suitable area for families?
BT48 8DB scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at BT48 8DB?
Air quality data for BT48 8DB is being updated.
How far is the nearest EV charging point from BT48 8DB?
EV charging data for BT48 8DB is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at BT48 8DB?
Ultrafast broadband (100 Mbps+) reaches 20% of premises. Check Openreach and local operators for FTTP availability.
Area suitability scores
BT48 8DBRemote 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
Culmore
District
Derry City and Strabane
Region
Constituency
LSOA
N21000414
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