SW1X broadband and area guide
Ofcom coverage, connection speeds, house prices and local data for 388 postcodes across 4 sectors in Westminster.
Full fibre
88%
Gigabit
88%
Superfast
94%
Postcodes
388
SW1X comprises 388 postcodes in Kensington and Chelsea with high fibre penetration. Full fibre reaches 88.3% of premises, one of the strongest rates in the postcode area.
Broadband speeds in SW1X
Share of SW1X premises by the fastest download speed available, averaged across all 388 postcodes in the district.
Full fibre availability of 88.3% translates to gigabit-capable networks reaching similarly high percentages. Superfast is available to 93.6% of postcodes, indicating a 5.2% minority sit in the 30-300 Mbps band. Networks capable of delivering 300 Mbps reach 88.4% of addresses. Zero postcodes fall below the Universal Service Obligation minimum. The data suggests substantial fibre investment across the postcode with some properties awaiting the full upgrade. SW1X sits higher on the full fibre scale than many surrounding codes, reflecting Kensington's strong infrastructure credentials. The postcode combines high-value residential addresses with commercial properties, both of which have benefited from sustained telecommunications investment. Properties here can almost universally access gigabit or solid superfast speeds.
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
0%
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
SW1X 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 |
|---|---|---|---|---|
| SW1X 0 | 78 | 99% | 96% | 96% |
| SW1X 7 | 78 | 88% | 87% | 87% |
| SW1X 8 | 122 | 94% | 81% | 81% |
| SW1X 9 | 110 | 93% | 92% | 92% |
All SW1X 0 postcodes (78)
All SW1X 7 postcodes (78)
All SW1X 8 postcodes (122)
All SW1X 9 postcodes (110)
Best deals
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Living in Westminster
House prices are unavailable for SW1X in this dataset. Connectivity is reliable enough that most residents will experience no speed-related friction for common household tasks.
Crime per month
4
Average recorded crimes per local statistical area
Remote worker score
98/100
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
SW1X broadband FAQs
How much of SW1X has full fibre?
88.3% of postcodes, with gigabit availability matching this figure.
Is SW1X better connected than most London codes?
Full fibre at 88.3% places SW1X among the better-connected Kensington postcodes.
What download speeds can I expect?
88.4% of postcodes have infrastructure supporting 300 Mbps or faster. Request a provider's postcode check for your specific address.
Are there postcodes lacking superfast connections?
No postcodes fall below 30 Mbps; all meet or exceed both superfast and USO thresholds.
Neighbouring districts
Check your exact postcode
Every postcode in SW1X 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