L23 broadband and area guide
Ofcom coverage, connection speeds, house prices and local data for 676 postcodes across 10 sectors in Sefton.
Full fibre
97%
Gigabit
97%
Superfast
99%
Postcodes
676
L23 spans 676 postcodes in Sefton with full fibre at 97%, gigabit coverage matching, and superfast at 99.3%. Connectivity is remarkably consistent across this sizeable district.
Broadband speeds in L23
Share of L23 premises by the fastest download speed available, averaged across all 676 postcodes in the district.
Full fibre-to-the-premises has reached 97% of L23 postcodes, supporting gigabit services at an identical rate. Superfast coverage is nearly universal at 99.3%, affecting all but five postcodes. Speed distribution reflects exceptional infrastructure maturity: 97% of premises enjoy 300+ Mbps fibre gigabit stability, with only 2.3% in the moderate 30-300 Mbps band. A negligible 0.1% fall short of the Universal Service Obligation floor. Across Sefton and Liverpool, L23 stands among the most thoroughly fibre-equipped large postcodes, combining scale (676 postcodes) with exceptional coverage consistency.
Source: Ofcom Connected Nations. Percentages are district-wide averages of postcode-level availability, so rows may not sum to exactly 100%.
Connectivity in detail
Below 10 Mbps USO
<1%
Premises unable to get the 10 Mbps universal service minimum
Fixed wireless
0%
Premises that can use a fixed wireless access service
Broadband by sector
L23 splits into 10 postcode sectors. Coverage and prices can differ street by street, so open a sector below to find your exact postcode.
| Sector | Postcodes | Superfast | Full fibre | Gigabit |
|---|---|---|---|---|
| L23 0 | 92 | 100% | 99% | 99% |
| L23 1 | 52 | 98% | 97% | 97% |
| L23 2 | 90 | 100% | 95% | 95% |
| L23 3 | 48 | 100% | 99% | 99% |
| L23 4 | 37 | 95% | 95% | 95% |
| L23 5 | 51 | 99% | 93% | 93% |
| L23 6 | 78 | 99% | 92% | 92% |
| L23 7 | 66 | 100% | 100% | 100% |
| L23 8 | 65 | 100% | 99% | 99% |
| L23 9 | 97 | 100% | 100% | 100% |
All L23 0 postcodes (92)
All L23 1 postcodes (52)
All L23 2 postcodes (90)
All L23 3 postcodes (48)
All L23 4 postcodes (37)
All L23 5 postcodes (51)
All L23 6 postcodes (78)
All L23 7 postcodes (66)
All L23 8 postcodes (65)
All L23 9 postcodes (97)
Best deals
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Living in Sefton
L23 represents highly developed fibre infrastructure across a large postcode area, making it suitable for households of any connectivity demand without risk.
Crime per month
0
Average recorded crimes per local statistical area
Remote worker score
100/100
Connectivity and amenities for home working
Family score
80/100
Schools, safety and family amenities
Value score
50/100
What you get for the local price level
L23 broadband FAQs
Is every L23 postcode likely to have gigabit fibre?
At 97% full fibre, nearly all do. Confirmation of your specific address is prudent, though odds are excellent.
What's available to the 2.3% not on gigabit fibre?
Those postcodes deliver 30-300 Mbps through alternative infrastructure, adequate for standard work and streaming.
How does L23 compare to the rest of Sefton in this batch?
L23's 97% full fibre sits level with L21 at 97.1%, making Sefton postcodes consistently well-connected.
Is L23 one of the best-connected districts in this batch?
Yes. At 97% full fibre with 99.3% superfast, it ranks amongst the highest-connected codes across Fife and Liverpool areas.
Neighbouring districts
Check your exact postcode
Every postcode in L23 has its own page with broadband speeds, house prices, school ratings and crime stats. You can also compare providers for your address.
Data sources: Broadband data from Ofcom Connected Nations 2025 · House prices from HM Land Registry · Crime from Police.uk · See all data sources