CR4 broadband and area guide
Ofcom coverage, connection speeds, house prices and local data for 882 postcodes across 4 sectors in Merton.
Full fibre
0%
Gigabit
94%
Superfast
99%
Postcodes
882
CR4 is 882 Croydon postcodes with the highest gigabit penetration in this batch at 93.9%. It is Croydon's connectivity peak.
Broadband speeds in CR4
Share of CR4 premises by the fastest download speed available, averaged across all 882 postcodes in the district.
Gigabit reaches 93.9%, with only 5.5% of postcodes in the 30-300 Mbps band and a mere 0.1% below 10 Mbps. Zero postcodes miss uso thresholds and wireless is entirely absent; the district is fully wired fibre or cable territory with exceptional gigabit concentration. CR4 is Croydon's flagship broadband zone, reflecting sustained investment in high-speed infrastructure. The tail of postcodes outside gigabit is negligible. This district stands apart in terms of network reach and speed consistency. Nearly every postcode has gigabit; the few exceptions are statistical noise. Croydon's broadband hierarchy places CR4 at the apex. For speed certainty, CR4 is the clear choice among the borough's postcode areas.
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
CR4 splits into 4 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 |
|---|---|---|---|---|
| CR4 1 | 258 | 100% | 0% | 98% |
| CR4 2 | 184 | 100% | 0% | 91% |
| CR4 3 | 259 | 99% | 0% | 92% |
| CR4 4 | 181 | 99% | 0% | 94% |
All CR4 1 postcodes (258)
All CR4 2 postcodes (184)
All CR4 3 postcodes (259)
All CR4 4 postcodes (181)
Best deals
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Living in Merton
CR4 offers near-complete gigabit assurance. This postcode is the top pick for connectivity in Croydon.
Crime per month
1
Average recorded crimes per local statistical area
Remote worker score
55/100
Connectivity and amenities for home working
Family score
53/100
Schools, safety and family amenities
Value score
50/100
What you get for the local price level
CR4 broadband FAQs
Is gigabit guaranteed in CR4?
At 93.9%, it is virtually certain. Only 5.5% of postcodes sit outside gigabit.
How does CR4 compare to other Croydon zones?
It is the best served, with substantially higher gigabit penetration than other postcode areas.
What about the postcodes outside gigabit?
Only 5.5% remain at 30-300 Mbps, and nearly all are still suitable for demanding use cases.
Why should I prioritise CR4 for broadband?
If speed reliability matters for work or gaming, CR4's 93.9% gigabit availability is exceptional within Croydon.
Neighbouring districts
Check your exact postcode
Every postcode in CR4 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