BT28 broadband and area guide
Ofcom coverage, connection speeds, house prices and local data for 986 postcodes across 3 sectors in Lisburn and Castlereagh.
Full fibre
0%
Gigabit
94%
Superfast
100%
Postcodes
986
BT28 is the largest district in Lisburn and Castlereagh, covering 986 postcodes with 99.5% superfast availability and 93.9% gigabit reach.
Broadband speeds in BT28
Share of BT28 premises by the fastest download speed available, averaged across all 986 postcodes in the district.
Scale and coverage converge here. Nearly the entire district, 99.5%, meets superfast standards or better. Gigabit, delivered primarily through cable, reaches 93.9% of postcodes. Crucially, no postcodes fall below the 30 Mbps Universal Service Obligation minimum, and no postcodes report speeds below 10 Mbps. In a district of 986 postcodes, achieving zero postcodes in the lowest speed band is notable. The distribution is 93.9% gigabit tier, 5.5% superfast-only, and zero below 10 Mbps. This uniformity across a large area reflects mature, extensive infrastructure. BT28's size combined with near-universal coverage demonstrates successful broad deployment across an entire postcode district.
Source: Ofcom Connected Nations. Percentages are district-wide averages of postcode-level availability, so rows may not sum to exactly 100%.
Connectivity in detail
Below 10 Mbps USO
0%
Premises unable to get the 10 Mbps universal service minimum
Fixed wireless
0%
Premises that can use a fixed wireless access service
Broadband by sector
BT28 splits into 3 postcode sectors. Coverage and prices can differ street by street, so open a sector below to find your exact postcode.
| Sector | Postcodes | Superfast | Full fibre | Gigabit |
|---|---|---|---|---|
| BT28 1 | 249 | 100% | 0% | 92% |
| BT28 2 | 384 | 99% | 0% | 94% |
| BT28 3 | 353 | 100% | 0% | 95% |
All BT28 1 postcodes (249)
All BT28 2 postcodes (384)
All BT28 3 postcodes (353)
Best deals
Compare broadband deals in BT28
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Living in Lisburn and Castlereagh
BT28 represents the mature urban, suburban model: nearly all postcodes have modern broadband, with only minor variation between gigabit and superfast. Property decisions here can safely ignore connectivity.
Remote worker score
55/100
Connectivity and amenities for home working
Family score
50/100
Schools, safety and family amenities
Value score
50/100
What you get for the local price level
BT28 broadband FAQs
Why does a 986-postcode district have zero postcodes below 10 Mbps?
Mature cable infrastructure and modern deployment practices mean almost all premises are networked. Gaps are functionally eliminated.
Is the gap between superfast (99.5%) and gigabit (93.9%) meaningful?
Yes 5.6 percentage points means roughly 55 postcodes have reliable superfast (30-300 Mbps) without gigabit capability, likely via alternative providers.
What does zero below-30 Mbps mean for property hunters?
It means broadband is not a risk factor in BT28. Every postcode has serviceable modern connectivity.
Could my address be in the 5.5% superfast-only tier?
Possibly, though 93.9% gigabit suggests cable covers most areas. Request a speed check from your chosen provider for certainty.
Neighbouring districts
Check your exact postcode
Every postcode in BT28 has its own page with broadband speeds, house prices, school ratings and crime stats. You can also compare providers for your address.
Data sources: Broadband data from Ofcom Connected Nations 2025 · House prices from HM Land Registry · Crime from Police.uk · See all data sources