20 providers offer 243 broadband deals in Denne, from £14.75 a month and up to 2,000 Mbps. Typical measured speed is 85 Mbps down and 50 Mbps up, 16% below the UK download average.
Best value broadband deal in Denne, Horsham (RH12)
The best value in Denne, Horsham (RH12) 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 Denne, Horsham (RH12)
£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 Denne, Horsham (RH12)
The fastest deal available in Denne, Horsham (RH12) is Gig2 Fibre broadband + Netflix from Virgin Media O2 at 2,000 Mbps. Next fastest is Full Fibre 1.6GB Premium from EE at 1,600 Mbps.
Fastest in Denne, Horsham (RH12)
Gig2 Fibre broadband + Netflix
200 Mbps upload · Hybrid Fibre-Coaxial
Best for power users & big households
£51.99/mo
rises to £55.99 in April 2027 (+£4)
Avg £54.99/mo over contract · £1320 total over 24 months
Runner-up on speed
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 Denne, Horsham (RH12)
The cheapest deal in Denne, Horsham (RH12) is 100 Mbps Fibre Broadband (24m) from Community Fibre at £14.00 a month for 100 Mbps. It's full fibre, so the advertised speed is the speed that reaches the router. giffgaff is essentially level at £15.00 a month. About level with the UK average.
Cheapest in Denne, Horsham (RH12)
100 Mbps Fibre Broadband (24m)
100 Mbps upload · Full Fibre
Best for 2–3 person homes, 4K streaming
£14/mo
rises to £17 in April 2027 (+£3)
Avg £16.25/mo over contract · £390 total over 24 months
Runner-up on price
£5/mo
for 6 months, then £25/mo
Avg £20/mo over contract · £480 total over 24 months
Compare broadband deals in Denne, Horsham (RH12)
£5/mo
for 6 months, then £25/mo
Avg £20/mo over contract · £480 total over 24 months
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
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
Onestream Fibre 55
10 Mbps upload · Hybrid Fibre
Best for small homes, single 4K streamer
£19.94/mo
rises to £22.69 in April 2027 (+£2.75)
Avg £22/mo over contract · £528 total over 24 months
Broadband providers in Denne, Horsham (RH12)
20 providers serve Denne, Horsham (RH12), 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 Denne, Horsham (RH12) download speed at 85 Mbps.
Upgrade nudge
Room to upgrade in Denne, Horsham (RH12)
Only 12% of the 16,000 connections here are on 300Mbps or faster, even though 76% 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 Denne, Horsham (RH12) line runs 85 Mbps.
Working from home
OKStreaming and family use
GoodWhat speeds are people actually getting?
Gigabit reaches 76% of Denne, Horsham (RH12), and the fastest available is 1,000 Mbps. The full split by band is below.
Which broadband networks reach Denne, Horsham (RH12)?
The wholesale networks carrying Denne, Horsham (RH12) broadband, from Openreach to Virgin Media and the altnets, read off the live deals.
Real altnet coverage in Denne, Horsham (RH12), not the press release version. The list comes from who is actually selling deals at addresses here, network by network.
- CityFibre: Sky, The One Broadband, Vodafone
- 4th Utility: 4th Utility, Rise Fibre
- Community Fibre
Of the major networks, Openreach and Virgin Media O2 are also live here (Openreach is on every street, so the interesting variable is the altnets).
Currently 20 providers have addressable deals in Denne, Horsham (RH12).
What broadband coverage does Denne, Horsham (RH12) have?
Superfast broadband reaches 95% of Denne, Horsham (RH12) premises but gigabit only 76%, so around 19% of homes can get fast broadband but not the fastest.
Can I rely on mobile broadband in Denne, Horsham (RH12)?
Outdoor 5G reaches 100% of Denne, Horsham (RH12) homes. Here is how mobile holds up if the line drops.
How Denne, Horsham (RH12) compares within Horsham
Across 6 postcode districts in Horsham, 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 Denne, Horsham (RH12)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.