Home / Local Authorities / England / Southend-on-Sea

Southend-on-Sea Broadband Coverage

Ranked #2 of 361 UK local authorities by full-fibre coverage. 97.6% is above the UK national average of 77.5%.

The verdict

Southend-on-Sea is one of the best-connected places in the UK — ranked #2 of 361 UK local authorities (top 0.6%) with 97.6% full-fibre coverage, 20.1pp above the 77.5% UK average.

#2 of 361 UK authorities
Top 0.6% for full-fibre coverage
+20.1pp vs 77.5% UK average
0% meet USO minimum

About Broadband in Southend-on-Sea

Southend-on-Sea is a local authority district in England with 87,935 premises in the Ofcom Connected Nations 2025 dataset. Full-fibre (FTTP) broadband is available to 97.6% of premises, and gigabit-capable connectivity reaches 98.3%. Superfast broadband (≥30 Mbit/s) is accessible to 99.7% of premises. Southend-on-Sea ranks 2nd nationally out of 361 local authorities by full-fibre coverage.

The gigabit and full-fibre figures reflect the proportion of addresses that can order an FTTP connection from at least one provider — availability does not imply that every household has taken up a service. Full-fibre take-up across all premises stands at 38%, and among premises where coverage is available the figure is 39%. Ofcom defines gigabit-capable as the ability to receive download speeds of at least 1,000 Mbit/s, which in practice means a full-fibre or qualifying cable network must pass the property.

All measured premises meet the Universal Service Obligation threshold of 10 Mbit/s down / 1 Mbit/s up. Fixed wireless access (FWA) is available to 1% of premises, providing an alternative to fixed-line broadband for homes and businesses that cannot easily receive FTTP. Figures are drawn from operator network-coverage data submitted to Ofcom and verified through the Connected Nations 2025 methodology. See our methodology page for full details on how premises counts and coverage percentages are calculated.

97.6%
Full-Fibre (FTTP)
98.3%
Gigabit-Capable
99.7%
Superfast (≥30 Mbit/s)
0%
Below USO

Coverage by Technology — Southend-on-Sea

Broadband coverage by technology type — Southend-on-Sea, Ofcom Connected Nations 2025

Full-Fibre (FTTP)97.6%Gigabit-capable98.3%Ultrafast (≥300 Mbit/s)98.5%Superfast (≥30 Mbit/s)99.7%NGA (any next-gen)99.8%
Broadband coverage by technology type — Southend-on-Sea, Ofcom Connected Nations 2025

Where Southend-on-Sea Sits Nationally

Southend-on-Sea vs every UK local authority

Full-fibre coverage distribution across all 361 UK local authorities. Southend-on-Sea's 97.6% places it in the highlighted band.

97.6% Top 0.6% ranked #2 of 361 UK authorities

10–19%: 3 authorities 20–29%: 2 authorities 30–39%: 3 authorities 40–49%: 10 authorities 50–59%: 24 authorities 60–69%: 65 authorities 70–79%: 103 authorities 80–89%: 93 authorities 90–99%: 58 authorities Southend-on-Sea 0% 100%

every UK local authority, bucketed by full-fibre coverage

Source: Ofcom Connected Nations 2025 (July 2025, r01)

Full Coverage Data

Metric Coverage Definition
Full-Fibre (FTTP) 97.6% Fibre to the Premises — optical fibre all the way to the property
Gigabit-Capable 98.3% ≥1,000 Mbit/s download speed available
Ultrafast Broadband (≥300 Mbit/s) 98.5% UFBB — ≥300 Mbit/s download speed available
Ultrafast (≥100 Mbit/s) 98.9% ≥100 Mbit/s download speed available
Superfast (≥30 Mbit/s) 99.7% SFBB — ≥30 Mbit/s download speed available
NGA (any next-generation access) 99.8% Any NGA network available
Fixed Wireless Access (FWA) 1% Wireless-only fixed broadband (no physical cable)
Below USO Threshold 0% Below 10 Mbit/s down / 1 Mbit/s up USO minimum
Full-Fibre Take-Up (all premises) 38% % of all premises actively using a full-fibre connection
Full-Fibre Take-Up (covered premises) 39% % of premises where FTTP is available that have taken it up
Total Premises 87,935 All premises in Ofcom's matched dataset
National Rank (Full-Fibre) #2 / 361 Ranking among all UK local authorities by full-fibre coverage

Coverage Analysis

Southend-on-Sea's full-fibre coverage of 97.6% places it at rank 2 nationally. The gap between full-fibre availability (97.6%) and gigabit availability (98.3%) reflects whether any qualifying cable networks supplement the FTTP rollout in this district. Where the two figures are close, full-fibre is effectively the sole gigabit delivery mechanism.

Superfast coverage at 99.7% gives a sense of the floor for most residents — the majority of premises in Southend-on-Sea can receive at least 30 Mbit/s. The USO gap of 0% represents premises that cannot yet access the government-mandated minimum of 10 Mbit/s download and 1 Mbit/s upload. In rural local authorities this figure can reach double digits; in dense urban areas it typically approaches zero.

Take-up data provides a demand-side view. With 38% of all premises actively using full-fibre, Southend-on-Sea gives a clear picture of how quickly residents are switching to future-proof connections as they become available.

Related

Compare all local authorities

Read our methodology — how this data is sourced, computed, and verified.

Frequently Asked Questions

What is the full-fibre broadband coverage in Southend-on-Sea?

According to Ofcom Connected Nations 2025 (July 2025, r01), 97.6% of premises in Southend-on-Sea have access to full-fibre (FTTP) broadband. Full-fibre connects properties using optical fibre all the way from the exchange, enabling gigabit-speed connections. The UK national average is approximately 77.5%.

How does Southend-on-Sea compare nationally for broadband coverage?

Southend-on-Sea ranks 2nd out of 361 UK local authorities by full-fibre coverage (97.6%). Gigabit-capable coverage stands at 98.3% and superfast (≥30 Mbit/s) coverage at 99.7%. Figures are from Ofcom Connected Nations 2025.

Does Southend-on-Sea meet the broadband Universal Service Obligation?

The Broadband Universal Service Obligation (USO) guarantees access to at least 10 Mbit/s download and 1 Mbit/s upload. Ofcom's Connected Nations 2025 data shows all measured premises in Southend-on-Sea meet this threshold.

Source: Ofcom, Connected Nations 2025 — UK Fixed Broadband Coverage (July 2025, r01). Retrieved and formatted by Kiznis Studio Editorial. Disclaimer: Coverage figures show availability, not guaranteed service quality or actual take-up. Published under the Open Government Licence v3.0.