BT27 postcode
Broadband in BT27 5EY
Blaris, Lisburn and Castlereagh
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data · Updated 22 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 BT27 5EY. 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 BT27 5EY.
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 BT27 5EY
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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Blaris is home to BT27 5EY. 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.
100% of premises at BT27 5EY can access superfast broadband. The UK average is 93%. This postcode meets or exceeds that benchmark. 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 BT27 5EY 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.
What do the broadband speeds at BT27 5EY mean in practice? 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 BT27 5EY. For properties without fibre, 4G or 5G home broadband from Three, EE, or Vodafone may be an alternative.
0% of premises at BT27 5EY 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 BT27 5EY 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.
Outdoor 4G mobile signal at BT27 5EY is available across 95% of the area. 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 BT27 5EY: remote working 55/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
BT27 5EY falls within the Lisburn and Castlereagh local authority area. The immediate area is Blaris, a distinct community within the wider district. The BT27 postcode area contains 570 postcodes on this site. Superfast broadband across BT27 ranges from 0% to 100%. BT27 5EY is close to the area average of 99%.
How does BT27 5EY compare to its neighbours? BT27 5EW (0.04 miles, blaris) has 100% superfast coverage and 98.1% gigabit. BT27 5HA (0.05 miles, blaris) has 100% superfast coverage and 100% gigabit. Coverage is broadly similar across these neighbouring postcodes.
Not every property at BT27 5EY 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 Blaris depends on what matters to you. Broadband, transport, and local services vary by street.
What does all of this mean for someone considering BT27 5EY? Connectivity at BT27 5EY 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. Blaris 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 BT27 5EY, 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.
This covers the key data for BT27 5EY. Broadband, property, schools, safety, and local services all in one place. For area-wide trends, see the Blaris 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 BT27 5EY
What are the broadband speeds available at BT27 5EY?
Superfast broadband (30 Mbps+) is available to 100% of premises at BT27 5EY. Ultrafast coverage is at 100%.
What is the average house price near BT27 5EY?
No recent house price data is available for BT27 5EY.
What is the flood risk for properties at BT27 5EY?
BT27 5EY has a Low flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the BT27 5EY area?
School data for BT27 5EY is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in BT27 5EY compare to other areas?
Crime data for this area is being updated.
How suitable is BT27 5EY for remote working?
BT27 5EY scores 55/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at BT27 5EY?
4G outdoor coverage at BT27 5EY is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near BT27 5EY?
EPC data for BT27 5EY is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at BT27 5EY?
Council tax band information for BT27 5EY is being updated.
How accessible are GP surgeries near BT27 5EY?
GP surgery data for BT27 5EY is being updated. Check NHS.uk for the latest.
What transport links are available near BT27 5EY?
Transport data for BT27 5EY is being updated.
Is BT27 5EY a suitable area for families?
BT27 5EY scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at BT27 5EY?
Air quality data for BT27 5EY is being updated.
How far is the nearest EV charging point from BT27 5EY?
EV charging data for BT27 5EY is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at BT27 5EY?
Ultrafast broadband (100 Mbps+) reaches 100% of premises. Check Openreach and local operators for FTTP availability.
Area suitability scores
BT27 5EYRemote 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.
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Area info
Parish
Blaris
District
Lisburn and Castlereagh
Region
Constituency
LSOA
N21000511
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