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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 SE4. 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
SE4 1AA	Lewisham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 97.3% 4G strong-coverage share is 100%, with 5G at 97.3% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SE4 1AB	Lewisham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 97.3% 4G strong-coverage share is 100%, with 5G at 97.3% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SE4 1AD	Lewisham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 97.3% 4G strong-coverage share is 100%, with 5G at 97.3% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SE4 1AE	Lewisham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 97.3% 4G strong-coverage share is 100%, with 5G at 97.3% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SE4 1AF	Lewisham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 97.3% 4G strong-coverage share is 100%, with 5G at 97.3% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SE4 1AG	Lewisham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 97.3% 4G strong-coverage share is 100%, with 5G at 97.3% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SE4 1AJ	Lewisham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 97.3% 4G strong-coverage share is 100%, with 5G at 97.3% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SE4 1AL	Lewisham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 97.3% 4G strong-coverage share is 100%, with 5G at 97.3% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SE4 1AN	Lewisham	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 100% · 5G 97.3% 4G strong-coverage share is 100%, with 5G at 97.3% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SE4 1AP	Lewisham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 97.3% 4G strong-coverage share is 100%, with 5G at 97.3% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SE4 1AQ	Lewisham	Strong broadband coverage Gigabit availability is 97.9%, with 97.9% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 97.3% 4G strong-coverage share is 100%, with 5G at 97.3% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SE4 1AR	Lewisham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 97.3% 4G strong-coverage share is 100%, with 5G at 97.3% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SE4 1AS	Lewisham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 97.3% 4G strong-coverage share is 100%, with 5G at 97.3% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SE4 1AT	Lewisham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 97.3% 4G strong-coverage share is 100%, with 5G at 97.3% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SE4 1AU	Lewisham	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 100% · 5G 97.3% 4G strong-coverage share is 100%, with 5G at 97.3% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SE4 1AW	Lewisham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 97.3% 4G strong-coverage share is 100%, with 5G at 97.3% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SE4 1AZ	Lewisham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 97.3% 4G strong-coverage share is 100%, with 5G at 97.3% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SE4 1BB	Lewisham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 97.3% 4G strong-coverage share is 100%, with 5G at 97.3% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SE4 1BD	Lewisham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 97.3% 4G strong-coverage share is 100%, with 5G at 97.3% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SE4 1BE	Lewisham	Strong broadband coverage Gigabit availability is 92.3%, with 92.3% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 97.3% 4G strong-coverage share is 100%, with 5G at 97.3% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SE4 1BH	Lewisham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 97.3% 4G strong-coverage share is 100%, with 5G at 97.3% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SE4 1BJ	Lewisham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 97.3% 4G strong-coverage share is 100%, with 5G at 97.3% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SE4 1BL	Lewisham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 97.3% 4G strong-coverage share is 100%, with 5G at 97.3% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SE4 1BN	Lewisham	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 100% · 5G 97.3% 4G strong-coverage share is 100%, with 5G at 97.3% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SE4 1BP	Lewisham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 97.3% 4G strong-coverage share is 100%, with 5G at 97.3% 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.

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