19 providers offer 232 broadband deals in Berkhamsted Castle, from £15.00 a month and up to 1,600 Mbps. Typical measured speed is 81 Mbps down and 17 Mbps up, 20% below the UK download average.
Best value broadband deal in Berkhamsted Castle, Dacorum (HP4)
The best value in Berkhamsted Castle, Dacorum (HP4) on full first-year cost is Plusnet's Full Fibre 145: £292 across year one, about £24 a month. A £155 reward card is bundled in. 145 Mbps covers streaming, video calls and working from home.
Best value in Berkhamsted Castle, Dacorum (HP4)
£22.99/mo
rises to £26.99 in March 2027 (+£4)
Avg £26.32/mo over contract · £632 total over 24 months
Fastest broadband deal in Berkhamsted Castle, Dacorum (HP4)
The fastest deal available in Berkhamsted Castle, Dacorum (HP4) is Full Fibre 1.6GB Premium from EE at 1,600 Mbps.
Fastest in Berkhamsted Castle, Dacorum (HP4)
Full Fibre 1.6GB Premium
115 Mbps upload · Full Fibre
Best for power users & big households
£33.99/mo
rises to £37.99 in March 2027 (+£4)
Avg £37.32/mo over contract · £896 total over 24 months
Cheapest broadband deal in Berkhamsted Castle, Dacorum (HP4)
The cheapest deal in Berkhamsted Castle, Dacorum (HP4) is Fast 24m from giffgaff at £5.00 a month for 200 Mbps. It's full fibre, so the advertised speed is the speed that reaches the router. The £5.00 is an intro price that rises to £25.00 a month after the intro window, making the real first-year cost £180. Comfortably faster than the UK average.
Cheapest in Berkhamsted Castle, Dacorum (HP4)
£5/mo
for 6 months, then £25/mo
Avg £20/mo over contract · £480 total over 24 months
Compare broadband deals in Berkhamsted Castle, Dacorum (HP4)
£5/mo
for 6 months, then £28/mo
Avg £22.25/mo over contract · £534 total over 24 months
Gig1 Broadband Only
41 Mbps upload · Hybrid Fibre-Coaxial
Best for power users & big households
£25.99/mo
rises to £29.99 in April 2027 (+£4)
Avg £28.99/mo over contract · £696 total over 24 months
Sky Full Fibre Gigafast
100 Mbps upload · Full Fibre
Best for power users & big households
£31/mo
No rises, no surprises.
£749 total over 24 months
50Mbps Full Fibre (24 Months)
50 Mbps upload · Full Fibre
Best for small homes, single 4K streamer
£18/mo
for 12 months, then £25/mo
Avg £21.50/mo over contract · £516 total over 24 months
Broadband providers in Berkhamsted Castle, Dacorum (HP4)
19 providers serve Berkhamsted Castle, Dacorum (HP4), with EE the fastest at 1,600 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 Berkhamsted Castle, Dacorum (HP4) download speed at 81 Mbps.
Upgrade nudge
Room to upgrade in Berkhamsted Castle, Dacorum (HP4)
Only 12% of the 7,900 connections here are on 300Mbps or faster, even though 64% 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 Berkhamsted Castle, Dacorum (HP4) line runs 81 Mbps.
Working from home
OKStreaming and family use
GoodWhat speeds are people actually getting?
Gigabit reaches 64% of Berkhamsted Castle, Dacorum (HP4), and the fastest available is 1,000 Mbps. The full split by band is below.
Which broadband networks reach Berkhamsted Castle, Dacorum (HP4)?
The wholesale networks carrying Berkhamsted Castle, Dacorum (HP4) broadband, from Openreach to Virgin Media and the altnets, read off the live deals.
Where Berkhamsted Castle, Dacorum (HP4) has working altnets, the gigabit market suddenly looks competitive. Here are the ones that have built into the streets here.
- 4th Utility: 4th Utility, Rise Fibre
- CityFibre: Sky, The One Broadband, Vodafone
Alongside those, Openreach and Virgin Media O2 reach addresses here too (Openreach has a nationwide footprint, so it'll be available).
Across the area, 19 providers are listing live deals.
What broadband coverage does Berkhamsted Castle, Dacorum (HP4) have?
Superfast broadband reaches 96% of Berkhamsted Castle, Dacorum (HP4) premises but gigabit only 64%, so around 32% of homes can get fast broadband but not the fastest.
Can I rely on mobile broadband in Berkhamsted Castle, Dacorum (HP4)?
Outdoor 5G reaches 99% of Berkhamsted Castle, Dacorum (HP4) homes. Here is how mobile holds up if the line drops.
5G & 4G home broadband
Outdoor 5G covers 99% of Berkhamsted Castle, Dacorum (HP4), enough for a 5G home-broadband hub to stand in for a fixed line.
How Berkhamsted Castle, Dacorum (HP4) compares within Dacorum
Across 6 postcode districts in Dacorum, by premises count, typical speed and gigabit coverage.
Nearby areas
Frequently asked questions
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* Based on Go.Compare research estimating that 28% of UK broadband users pay for faster broadband speeds than they need (which we interpret as overpaying), equivalent to around 7.5m UK households.
Speed and coverage figures for Berkhamsted Castle, Dacorum (HP4)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.