Guildford mobile coverage EE strongest indoors, 99% vs Three 90% GU postcode area
No network wins Guildford on overall coverage: all four are within 2 points, but indoors EE reaches 99% of sampled addresses and Three 90%.
Guildford as a whole
Ofcom Mobile Coverage data (May 2025), measured across 1,569 addresses in 99 sampled postcodes, pooled from 18 districts. Methodology.
What differs inside Guildford
Where the networks split most
- GU6 Cranleigh, Bramley, Ewhurst: indoors EE 100%, Three 0%.
- GU5 Bramley, Wonersh, Shalford: indoors Three 94%, O2 55%.
- GU9 Farnham, Tilford, Farnham Bourne: indoors EE, O2 and Vodafone 100%, Three 64%.
Each network's weakest and strongest district
| Network | Indoor | 5G-grade outdoor |
|---|---|---|
| EE | 89% in GU5 Bramley; 100% in 15 districts | within 8 points |
| O2 | 45% in GU6 Cranleigh; 100% in 13 districts | within 8 points |
| Three | 0% in GU6 Cranleigh; 100% in 13 districts | within 8 points |
| Vodafone | 11% in GU6 Cranleigh; 100% in 12 districts | 85% in GU5 Bramley; 100% in 16 districts |
Middle of the area against its edges
The 5 districts nearest the middle (GU2 Stoughton, GU3 Normandy, GU11 Rowhill, GU12 Normandy, GU16 West End) against the 5 furthest out (GU5 Bramley, GU6 Cranleigh, GU8 Witley, GU10 Ewshot, GU20 Windlesham):
- Three indoors: 100% in the middle, 64% at the edges.
- Vodafone indoors: 100% in the middle, 66% at the edges.
- O2 indoors: 100% in the middle, 76% at the edges.
District by district
| District | Places | Indoor, low to high | 5G-grade outdoor, low to high | Addresses |
|---|---|---|---|---|
| GU1 | Worplesdon, Stoke, Merrow | O2 99%; the rest 100% | 100% on all four | 73 |
| GU2 | Stoughton, Worplesdon, Artington | 100% on all four | 100% on all four | 93 |
| GU3 | Normandy, Shalford, Pirbright | EE 97%; the rest 100% | 100% on all four | 75 |
| GU5 | Bramley, Wonersh, Shalford | O2 55%; Three 94% | Vodafone 85%; the rest 100% | 53 |
| GU6 | Cranleigh, Bramley, Ewhurst | Three 0%; EE 100% | 100% on all four | 116 |
| GU7 | Bramley, Shalford, Compton | 100% on all four | 100% on all four | 16 small sample |
| GU8 | Witley, Bramley, Elstead | Vodafone 93%; the rest 100% | 100% on all four | 55 |
| GU9 | Farnham, Tilford, Farnham Bourne | Three 64%; the rest 100% | 100% on all four | 69 |
| GU10 | Ewshot, Froyle, Elstead | Vodafone 97%; the rest 100% | 100% on all four | 90 |
| GU11 | Rowhill, St Mark's, Manor Park | 100% on all four | 100% on all four | 95 |
| GU12 | Normandy, Deepcut, Ash Vale | 100% on all four | 100% on all four | 151 |
| GU14 | Hawley, Blackwater, Fleet | 100% on all four | 100% on all four | 70 |
| GU15 | West End, Sandhurst, Windlesham | Vodafone 98%; the rest 100% | 100% on all four | 181 |
| GU16 | West End, Pirbright, Bisley | 100% on all four | 100% on all four | 105 |
| GU17 | Yateley, Hawley, Blackwater | 100% on all four | 100% on all four | 48 |
| GU18 | West End, Windlesham, Bisley | O2 95%; the rest 100% | 100% on all four | 132 |
| GU19 | Windlesham, Winkfield, Bagshot | 100% on all four | 100% on all four | 96 |
| GU20 | Windlesham, Bagshot, Chobham | Three 78%; the rest 100% | 100% on all four | 51 |
Marked small sample: under 30 addresses sampled. Listed, but left out of the comparisons above.
Guide: Best Mobile Network in Guildford (2026): GU1 to GU20 Compared
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