Broadband and mobile checker

Search a postcode or postcode area against the current live broadband and mobile coverage seams.

Source: Ofcom broadband and mobile coverage. Coverage: Live connectivity rows matched postcode area HP20. Broadband is postcode level and mobile coverage remains area-level only in the current public seam.. Freshness: Broadband year 2024 · Mobile year 2025. Matches: 25.

Postcode	Area	Broadband	Mobile	Freshness
HP20 1AA	Buckinghamshire	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.7% · 5G 29.1% 4G strong-coverage share is 98.7%, with 5G at 29.1% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
HP20 1AD	Buckinghamshire	Broadband coverage is mixed Gigabit availability is 0%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.7% · 5G 29.1% 4G strong-coverage share is 98.7%, with 5G at 29.1% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
HP20 1AE	Buckinghamshire	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.7% · 5G 29.1% 4G strong-coverage share is 98.7%, with 5G at 29.1% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
HP20 1AF	Buckinghamshire	Broadband coverage is mixed Gigabit availability is 0%, with 0% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.7% · 5G 29.1% 4G strong-coverage share is 98.7%, with 5G at 29.1% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
HP20 1AG	Buckinghamshire	Partial connectivity coverage No current broadband summary row matched this postcode.	4G 98.7% · 5G 29.1% 4G strong-coverage share is 98.7%, with 5G at 29.1% in the current area-level summary.	Mobile year 2025
HP20 1AH	Buckinghamshire	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.7% · 5G 29.1% 4G strong-coverage share is 98.7%, with 5G at 29.1% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
HP20 1AJ	Buckinghamshire	Broadband coverage is mixed Gigabit availability is 0%, with 0% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.7% · 5G 29.1% 4G strong-coverage share is 98.7%, with 5G at 29.1% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
HP20 1AL	Buckinghamshire	Broadband coverage is mixed Gigabit availability is 0%, with 0% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.7% · 5G 29.1% 4G strong-coverage share is 98.7%, with 5G at 29.1% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
HP20 1AN	Buckinghamshire	Broadband coverage is mixed Gigabit availability is 0%, with 0% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.7% · 5G 29.1% 4G strong-coverage share is 98.7%, with 5G at 29.1% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
HP20 1AP	Buckinghamshire	Broadband coverage is mixed Gigabit availability is 14.3%, with 14.3% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.7% · 5G 29.1% 4G strong-coverage share is 98.7%, with 5G at 29.1% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
HP20 1AQ	Buckinghamshire	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.7% · 5G 29.1% 4G strong-coverage share is 98.7%, with 5G at 29.1% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
HP20 1AR	Buckinghamshire	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.7% · 5G 29.1% 4G strong-coverage share is 98.7%, with 5G at 29.1% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
HP20 1AS	Buckinghamshire	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.7% · 5G 29.1% 4G strong-coverage share is 98.7%, with 5G at 29.1% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
HP20 1AT	Buckinghamshire	Partial connectivity coverage No current broadband summary row matched this postcode.	4G 98.7% · 5G 29.1% 4G strong-coverage share is 98.7%, with 5G at 29.1% in the current area-level summary.	Mobile year 2025
HP20 1AW	Buckinghamshire	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.7% · 5G 29.1% 4G strong-coverage share is 98.7%, with 5G at 29.1% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
HP20 1AY	Buckinghamshire	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.7% · 5G 29.1% 4G strong-coverage share is 98.7%, with 5G at 29.1% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
HP20 1AZ	Buckinghamshire	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.7% · 5G 29.1% 4G strong-coverage share is 98.7%, with 5G at 29.1% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
HP20 1BA	Buckinghamshire	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.7% · 5G 29.1% 4G strong-coverage share is 98.7%, with 5G at 29.1% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
HP20 1BB	Buckinghamshire	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.7% · 5G 29.1% 4G strong-coverage share is 98.7%, with 5G at 29.1% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
HP20 1BD	Buckinghamshire	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.7% · 5G 29.1% 4G strong-coverage share is 98.7%, with 5G at 29.1% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
HP20 1BE	Buckinghamshire	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.7% · 5G 29.1% 4G strong-coverage share is 98.7%, with 5G at 29.1% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
HP20 1BF	Buckinghamshire	Broadband coverage is mixed Gigabit availability is 37.5%, with 68.8% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.7% · 5G 29.1% 4G strong-coverage share is 98.7%, with 5G at 29.1% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
HP20 1BG	Buckinghamshire	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.7% · 5G 29.1% 4G strong-coverage share is 98.7%, with 5G at 29.1% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
HP20 1BH	Buckinghamshire	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.7% · 5G 29.1% 4G strong-coverage share is 98.7%, with 5G at 29.1% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
HP20 1BJ	Buckinghamshire	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.7% · 5G 29.1% 4G strong-coverage share is 98.7%, with 5G at 29.1% in the current area-level summary.	Broadband year 2024 · Mobile year 2025

Known caveats

Mobile coverage is still served at area level in the public seam, so treat it as a shortlist signal rather than a street-level verdict.
Connectivity rows do not replace a final provider and address-level availability check before you commit to a property.
If you search a postcode area, neighbouring postcode rows can differ enough that the exact postcode follow-up still matters.