Full fibre reaches 85.4% of homes in Billericay, though only 15% of connections run at 300 Mbps or faster. Typical measured speed is 89 Mbps down and 26 Mbps up, 12% below the UK download average. 15 providers offer 204 broadband deals, up to 2,000 Mbps.
Deals for Billericay (CM12), checked and refreshed daily.
Best value broadband deal in Billericay (CM12)
The best value in Billericay (CM12) on full first-year cost is 4th Utility's 300Mb Full Fibre (24 Months): £240 across year one, about £20 a month. At 300 Mbps it copes with anything a household runs at once.
Best value in Billericay (CM12)
£20/mo
for 12 months, then £40/mo
Cheapest broadband deal in Billericay (CM12)
The cheapest deal in Billericay (CM12) is Fibre 40 from Onestream at £18.50 a month for 40 Mbps. 4th Utility is essentially level at £20.00 a month. Well below the UK average, which shows on a busy evening.
Cheapest in Billericay (CM12)
£18.50/mo
rises to £21.25 in April 2027 (+£2.75)
Runner-up on price
£20/mo
for 12 months, then £40/mo
Fastest broadband deal in Billericay (CM12)
The fastest deal available in Billericay (CM12) is Gig2 Fibre broadband + Netflix from Virgin Media O2 at 2,000 Mbps. Next fastest is Full Fibre 1.6GB from EE at 1,600 Mbps.
Fastest in Billericay (CM12)
£51.99/mo
rises to £55.99 in April 2027 (+£4)
Runner-up on speed
£38.99/mo
rises to £42.99 in March 2027 (+£4)
Compare broadband deals in Billericay (CM12)
£22.99/mo
rises to £26.99 in March 2027 (+£4)
£27.99/mo
rises to £31.99 in March 2027 (+£4)
£23/mo
No rises, no surprises.
£23/mo
No rises, no surprises.
Broadband providers in Billericay (CM12)
15 providers serve Billericay (CM12) including Sky, BT and Vodafone, with Virgin Media O2 the fastest at 2,000 Mbps.
Ranked by Ofcom complaints per 100,000 customers, fewest first. A down arrow is below the industry average, up is above, and a dash means Ofcom publishes no figure for that provider (usually because it is below Ofcom's 1.5% market-share reporting threshold). A small diagonal arrow shows the past-year trend (↘ improving, ↗ getting worse).
Ofcom records the typical Billericay (CM12) download speed at 89 Mbps.
Upgrade nudge
Room to upgrade in Billericay (CM12)
Only 15% of the 6,200 connections here are on 300Mbps or faster, even though 86% can get gigabit.
The faster line is already there. For most of these homes it is the contract holding them back, not the infrastructure.
Is your broadband good enough?
The typical Billericay (CM12) line runs 89 Mbps.
Working from home
OKStreaming and family use
GoodWhat speeds are people actually getting?
Gigabit reaches 86% of Billericay (CM12), and the fastest available is 1,000 Mbps. The full split by band is below.
What broadband coverage does Billericay (CM12) have?
Superfast broadband reaches 99% of Billericay (CM12) premises but gigabit only 86%, so around 13% of homes can get fast broadband but not the fastest.
Can I rely on mobile broadband in Billericay (CM12)?
Outdoor 5G reaches 100% of Billericay (CM12) homes. Here is how mobile holds up if the line drops.
The two 5G figures differ. “5G availability” is everyday 5G running on the existing 4G core, which is what most phones show. “Next-gen 5G” is standalone 5G: a full 5G network with lower lag, still reaching fewer places.
5G & 4G home broadband
Outdoor 5G covers 100% of Billericay (CM12), enough for a 5G home-broadband hub to stand in for a fixed line.
How Billericay (CM12) compares within Basildon
Across 8 postcode districts in Basildon, by connection count, typical speed and gigabit coverage.
Nearby areas
Frequently asked questions
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Speed and coverage figures for Billericay (CM12)come from Ofcom's Connected Nations data, current to January 2026. Deal prices are pulled live from providers. Compiled by the FindBroadband team. See how we rank and source our data.