BT45 postcode

Broadband in BT45 8DX

Castledawson, Mid Ulster

Gigabit broadband is available at this postcode.

Best speedGigabit (1Gbps+)
StandardSuperfastGigabit
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Free, independent comparison · Ofcom verified data · Updated 17 March 2026

Flood Risk

Low

Fibre (FTTP)

No

Best speed

Gigabit (1Gbps+)

Reviewed by Sage MitchellData last verified: 17 March 2026

Speed Calculator

Adjust the options below to see how much broadband speed your household needs.

2
18

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.

Estimated speed needed14 Mbps

Gigabit broadband (Gigabit (1Gbps+)) is available at BT45 8DX. That covers your 14 Mbps needs with room to spare.

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Speed Test

Check your current download speed and see how it compares to what is available at BT45 8DX.

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)

TechnologyAvailableCoverageTypical 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
Gigabit100%
100%
900-1,000 Mbps

Speed Distribution at BT45 8DX

100%
300+ Mbps (100%)

Source: Ofcom Connected Nations 2025

Mobile coverage

4G & 5G coverage · Ofcom Connected Nations 2025

4G Outdoor

95%

4G Indoor

85%

5G Outdoor

%

Networks with 4G

EEO2ThreeVodafone
Ofcom Connected Nations 2025

Schools nearby

Nearest schools within 5 miles · Ofsted ratings as at Jan 2026

Schools data is currently unavailable.

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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

Environment Agency

Air quality

Particulate matter & nitrogen dioxide levels

air quality

Air quality data not available.

PM2.5 (fine particles) μg/m³

WHO guideline: 15 μg/m³

PM10 (coarse particles) μg/m³

WHO guideline: 45 μg/m³

NO₂ (nitrogen dioxide) μg/m³

WHO guideline: 25 μg/m³

DEFRA UK-AIR · Guidelines: WHO 2021

Transport links

Nearest train stations and towns

Nearest train stations

No train stations found within 15 miles

Network Rail / National Rail · Straight-line distances

Council tax bands

Band distribution for Mid Ulster

Most common: Band

A
5%£1,381
B
10%£1,611
C
20%£1,841
D
25%£2,071
E
20%£2,531
F
10%£2,991
G
8%£3,452
H
2%£4,142

Annual council tax estimates for , 2024/25

VOA (Valuation Office Agency)

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Living near BT45 8DX

Castledawson is home to BT45 8DX. Whether you live here or plan to move, the data below paints a clear picture. Broadband, schools, crime, house prices, and local services all follow. The numbers speak for themselves.

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.

Here is how broadband speeds break down across premises at BT45 8DX. 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 BT45 8DX 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 BT45 8DX yet. Satellite services like Starlink or 4G home broadband routers can fill the gap where fixed-line options are limited.

0% of premises at BT45 8DX 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 BT45 8DX 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 BT45 8DX 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 BT45 8DX: remote working 55/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.

BT45 8DX falls within the Mid Ulster local authority area. The immediate area is Castledawson, a distinct community within the wider district. The BT45 postcode area contains 997 postcodes on this site. Superfast broadband across BT45 ranges from 0% to 100%. BT45 8DX is close to the area average of 98%.

How does BT45 8DX compare to its neighbours? BT45 8AG (0.04 miles, castledawson) has 100% superfast coverage and 100% gigabit. BT45 8AE (0.06 miles, castledawson) has 100% superfast coverage and 100% gigabit. Coverage is broadly similar across these neighbouring postcodes.

Not every property at BT45 8DX 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.

Every part of Castledawson has its own feel. This data gives you the factual starting point. A visit fills in the rest.

Looking at the overall picture for BT45 8DX, a few things are worth highlighting. Connectivity at BT45 8DX 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. Castledawson 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 BT45 8DX. 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.

This covers the key data for BT45 8DX. Broadband, property, schools, safety, and local services all in one place. For area-wide trends, see the Castledawson 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 BT45 8DX

What are the broadband speeds available at BT45 8DX?

Superfast broadband (30 Mbps+) is available to 100% of premises at BT45 8DX. Ultrafast coverage is at 100%.

What is the average house price near BT45 8DX?

No recent house price data is available for BT45 8DX.

What is the flood risk for properties at BT45 8DX?

BT45 8DX has a Low flood risk rating. Check Environment Agency maps for detail.

What schools are nearby in the BT45 8DX area?

School data for BT45 8DX is being updated. Check the Get Information About Schools service for the latest.

How does crime rate in BT45 8DX compare to other areas?

Crime data for this area is being updated.

How suitable is BT45 8DX for remote working?

BT45 8DX scores 55/100 for remote working suitability. Speeds may limit video-heavy workflows.

What is the mobile signal like at BT45 8DX?

4G outdoor coverage at BT45 8DX is 95%. Indoor coverage may be lower.

What is the most common energy efficiency rating near BT45 8DX?

EPC data for BT45 8DX is being updated. Check the EPC register for individual property ratings.

What is the council tax band distribution at BT45 8DX?

Council tax band information for BT45 8DX is being updated.

How accessible are GP surgeries near BT45 8DX?

GP surgery data for BT45 8DX is being updated. Check NHS.uk for the latest.

What transport links are available near BT45 8DX?

Transport data for BT45 8DX is being updated.

Is BT45 8DX a suitable area for families?

BT45 8DX scores 50/100 for family suitability. Check school and crime sections above for detail.

What is the air quality like at BT45 8DX?

Air quality data for BT45 8DX is being updated.

How far is the nearest EV charging point from BT45 8DX?

EV charging data for BT45 8DX is being updated. Check Zap-Map for the latest.

Can I get full fibre broadband at BT45 8DX?

Ultrafast broadband (100 Mbps+) reaches 100% of premises. Check Openreach and local operators for FTTP availability.

Area suitability scores

BT45 8DX

Remote Worker

55

Based on superfast broadband coverage, FTTP %, and 4G mobile outdoor coverage.

Family

50

Based on Ofsted school ratings, crime rate, flood risk, and GP surgery proximity.

Value for Money

50

Based on broadband quality relative to average house price in the area.

Map

Area info

Parish

Castledawson

District

Mid Ulster

Region

Constituency

LSOA

N21000648

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