UB POSTCODE AREA · 11 DISTRICTS SAMPLED
Southall mobile coverage EE indoors runs from 20% to 100% by district UB postcode area
No network wins Southall on overall coverage: all four are within 1 point, but indoors O2 and Vodafone reach 100% of sampled addresses and EE 94%.
Southall as a whole
=
O2
=
Three
=
Vodafone
=
EE
Ofcom Mobile Coverage data (May 2025), measured across 1,330 addresses in 63 sampled postcodes, pooled from 11 districts. Methodology.
What differs inside Southall
Where the networks split most
- UB9 Harefield, Denham, Gerrards Cross: indoors O2 and Vodafone 100%, EE 20%.
Each network's weakest and strongest district
| Network | Indoor |
|---|---|
| EE | 20% in UB9 Harefield; 100% in 9 districts |
| Three | 92% in UB9 Harefield; 100% in 9 districts |
Middle of the area against its edges
The 3 districts nearest the middle (UB3 Pinkwell, UB4 Belmore, UB10 Hillingdon) against the 3 furthest out (UB6 Greenford, UB7 Pinkwell, UB9 Harefield):
- EE indoors: 100% in the middle, 80% at the edges.
District by district
| District | Places | Indoor, low to high | Addresses |
|---|---|---|---|
| UB1 | Hayes Town, Dormers Wells, Lady Margaret | 100% on all four | 122 |
| UB2 | Heston, Southall, Pinkwell | 100% on all four | 178 |
| UB3 | Pinkwell, Wood End, Hayes Town | 100% on all four | 99 |
| UB4 | Belmore, Yeading, Wood End | 100% on all four | 128 |
| UB5 | Greenford, Roxeth, Yeading | 100% on all four | 92 |
| UB6 | Greenford, Perivale, Dormers Wells | 100% on all four | 158 |
| UB7 | Pinkwell, Uxbridge, Yiewsley | 100% on all four | 132 |
| UB8 | Denham, Colham, Cowley | 100% on all four | 148 |
| UB9 | Harefield, Denham, Gerrards Cross | EE 20%; O2 and Vodafone 100% | 96 |
| UB10 | Hillingdon, Colham, Cowley | 100% on all four | 153 |
| UB11 | Uxbridge, Yiewsley, Hayes Town | 100% on all four | 24 small sample |
Marked small sample: under 30 addresses sampled. Listed, but left out of the comparisons above.
Compare plans
Some links on this page are affiliate links. How we rank.