Broadband availability
Broadband in Dunmurry
Showing results for postcode BT17 0DD.
Compare Broadband Deals in Dunmurry
Broadband Types Available in Dunmurry
| Type | Status | Download | Upload |
|---|---|---|---|
| Standard Broadband | Not available | — | — |
| Superfast Broadband | Available | 36 Mbps | 20 Mbps |
| Ultrafast / Full Fibre | Available | 900 Mbps | 900 Mbps |
| Mobile Broadband | Available | N/A | N/A |
Best option in Dunmurry
Full fibre (FTTP) is available in Dunmurry, with typical download speeds of around 894 Mbps. This is the fastest and most reliable type of home broadband connection.
Broadband Providers in Dunmurry
Customer ratings sourced from Trustpilot. Checked 18 June 2026.
Postcodes in Dunmurry
Nearby Areas
About Broadband in Dunmurry
Dunmurry is in Belfast. Full fibre broadband is available here, with typical download speeds of around 894 Mbps, well above the UK average of 69 Mbps. Most major providers cover the area, so there is a reasonable amount of competition on price.
Standard broadband runs over the copper phone network. Speeds depend on your distance from the telephone exchange and typically range from around 5 Mbps to 20 Mbps.
Superfast broadband (FTTC) uses a fibre optic cable to your street cabinet, then copper for the final stretch to your home. Most urban and suburban areas can get speeds of 35 to 80 Mbps.
Full fibre (FTTP) runs fibre optic cable all the way into your home. It is the fastest and most reliable option available, with speeds from 100 Mbps upwards.
What's Happening with Broadband in Dunmurry?
Dunmurry sits in a strong position for broadband connectivity. Full fibre (FTTP) is available across much of the area, with speeds reaching around 894 Mbps on the fastest packages. That puts Dunmurry ahead of the UK national average: as of Spring 2026, approximately 82% of UK premises can access full fibre and 89% have access to gigabit-capable speeds. Northern Ireland as a whole has seen above-average investment in fibre infrastructure over the past several years.
The two main full fibre providers active in this part of Belfast are Fibrus and Openreach. Fibrus, the Northern Ireland altnet, reached a milestone of 150,000 customers in May 2026, with their network covering more than 330,000 premises across Northern Ireland alone (source: ISPreview, May 2026). Openreach, BT's network division, continues to expand its own FTTP footprint in the greater Belfast area alongside Fibrus.
There is no Dunmurry-specific rollout announcement to report at the time of writing. However, the broader picture for this postcode is positive: competitive pressure between Fibrus and Openreach means residents and businesses here have genuine choice of provider on a full fibre connection.
One deadline worth noting: the PSTN copper switch-off is scheduled for January 2027. If your current broadband or phone line still runs over the old copper network, you will need to migrate to a fibre or digital voice service before then. Both Fibrus and Openreach offer suitable replacements.
Use the postcode checker above to see which full fibre deals are available at your exact address in Dunmurry right now.