BT28 postcode
Broadband in BT28 3SW
White Mountain, Lisburn and Castlereagh
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data · Updated 11 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 BT28 3SW. 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 BT28 3SW.
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 BT28 3SW
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 Lisburn and Castlereagh
Most common: Band
Annual council tax estimates for , 2024/25
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Check Deals →Living near BT28 3SW
This is the area guide for BT28 3SW, located in White Mountain (Lisburn and Castlereagh). It covers connectivity, property, safety, and local services. Every claim links back to a specific data point. Read on for the detail.
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 BT28 3SW 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.
Here is how the broadband at BT28 3SW 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 BT28 3SW. 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 BT28 3SW, 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 BT28 3SW 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 BT28 3SW 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 BT28 3SW: remote working 55/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
The local authority for BT28 3SW is Lisburn and Castlereagh. The immediate area is White Mountain, a distinct community within the wider district. The BT28 postcode area contains 986 postcodes on this site. Superfast broadband across BT28 ranges from 33% to 100%. BT28 3SW is close to the area average of 99%.
When choosing a broadband provider at BT28 3SW, check what technology reaches your specific address. Availability varies by street and sometimes by building. 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.
White Mountain 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 BT28 3SW, a few things are worth highlighting. Connectivity at BT28 3SW is a strength. Strong broadband coverage gives flexibility for both working and leisure. The area scores well on that front. Lisburn and Castlereagh 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. White Mountain 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 BT28 3SW. 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 BT28 3SW in White Mountain. 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 BT28 3SW
What are the broadband speeds available at BT28 3SW?
Superfast broadband (30 Mbps+) is available to 100% of premises at BT28 3SW. Ultrafast coverage is at 100%.
What is the average house price near BT28 3SW?
No recent house price data is available for BT28 3SW.
What is the flood risk for properties at BT28 3SW?
BT28 3SW has a Low flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the BT28 3SW area?
School data for BT28 3SW is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in BT28 3SW compare to other areas?
Crime data for this area is being updated.
How suitable is BT28 3SW for remote working?
BT28 3SW scores 55/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at BT28 3SW?
4G outdoor coverage at BT28 3SW is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near BT28 3SW?
EPC data for BT28 3SW is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at BT28 3SW?
Council tax band information for BT28 3SW is being updated.
How accessible are GP surgeries near BT28 3SW?
GP surgery data for BT28 3SW is being updated. Check NHS.uk for the latest.
What transport links are available near BT28 3SW?
Transport data for BT28 3SW is being updated.
Is BT28 3SW a suitable area for families?
BT28 3SW scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at BT28 3SW?
Air quality data for BT28 3SW is being updated.
How far is the nearest EV charging point from BT28 3SW?
EV charging data for BT28 3SW is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at BT28 3SW?
Ultrafast broadband (100 Mbps+) reaches 100% of premises. Check Openreach and local operators for FTTP availability.
Area suitability scores
BT28 3SWRemote 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
White Mountain
District
Lisburn and Castlereagh
Region
Constituency
LSOA
N21000519
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