BT18 DISTRICT · ARDS AND NORTH DOWN

Cultra mobile coverage EE 100% indoors here, 89% across Belfast BT18 · Ards and North Down

No network wins BT18 on overall coverage: all four score 100/100.

BT18: Cultra, Belmont, Holywood, Stormont, Dundonald, Loughview, Garnerville (Ards and North Down, Belfast, Lisburn and Castlereagh).

BT18 scores

=
EE
Overall: 100/100
5G
100%
4G
100%
Indoor
100%
=
O2
Overall: 100/100
5G
100%
4G
100%
Indoor
98%
=
Three
Overall: 100/100
5G
100%
4G
100%
Indoor
100%
=
Vodafone
Overall: 100/100
5G
100%
4G
100%
Indoor
100%

Ofcom Mobile Coverage data (May 2025), measured across 57 addresses in 6 sampled postcodes: BT18 0AA, BT18 0LB, BT18 0NN, BT18 0PR, BT18 9AY, BT18 9DG. Methodology.

How BT18 compares

Against the Belfast average

  • EE indoors: 100% here, 89% across Belfast (+11).

Weakest spot in Belfast: BT15 Bellevue, where EE reaches 23% indoors.

Indoor signal around BT18

Districtkm awayEEO2ThreeVodafone
BT18 Cultra (here) – 100%98%100%100%
BT4 Knock, Belmont 5 100%100%100%100%
BT16 Enler, Cultra 6 100%100%100%100%
BT3 Duncairn, Sydenham 6 95%100%100%100%
BT5 Knock, Merok 7 100%100%100%100%
Belfast average – 89%97%97%100%

Compare plans

1pMobile runs on EE's network: £5 a month for 5GB (read 19 October 2026). A price, not a coverage ranking: Ofcom separates no network here.

1pMobile plans →

Some links on this page are affiliate links. How we rank.