Broadband in CB21 4TW

CB21 4TW sits in Castle Camps, part of South Cambridgeshire. This guide covers broadband speeds, house prices, schools, and more. Every figure comes from verified public data sources. Use it alongside your own research when comparing areas.

Superfast broadband (30 Mbps+) coverage at CB21 4TW stands at 50%. That is below the UK average of 93%. Ultrafast broadband (100 Mbps+) reaches 50% of properties. Over half of premises have access to faster tiers. Gigabit-capable connections cover 50% of premises. Gigabit is available but not yet widespread at this postcode.

Looking at the full speed profile for CB21 4TW gives a better picture of what to expect. 37.5% of connections fall in the 2 to 5 Mbps range. 12.5% of connections fall in the 10 to 30 Mbps range. 50% of connections fall in the 300 Mbps or faster range. 38% of premises get less than 5 Mbps. That is not enough for reliable video calls or streaming. 50% of premises can hit 300 Mbps or more. That is enough for demanding multi-device households.

Here is how the broadband at CB21 4TW maps against common household needs.

FWA broadband has not reached CB21 4TW yet. Satellite services like Starlink or 4G home broadband routers can fill the gap where fixed-line options are limited.

37.5% of premises at CB21 4TW fall below the Universal Service Obligation of 10 Mbps. Properties below the USO can request a connection from BT under the scheme. Next-generation access (NGA) reaches 100% of the area. NGA typically means speeds of 24 Mbps or above.

Flood risk at CB21 4TW is rated Low. Minor precautions may be worth considering. Check with insurers about any loading on premiums.

The three most common bands are D (25%), C (20%), E (20%). Band D corresponds to 1991 property values of £68,001 to £88,000. Current values are typically much higher. The spread across mid-range bands suggests a varied housing stock.

Outdoor 4G mobile signal at CB21 4TW is available across 95% of the area. Indoor 4G drops to 85%. Some signal loss indoors is normal. Most calls and data should still work inside. Coverage data covers EE, O2, Three, Vodafone. Check each operator individually, as coverage varies by network. Strong 4G coverage combined with limited fixed broadband means 4G home broadband could be a practical alternative here.

Suitability scores for CB21 4TW: remote working 35/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.

The local authority for CB21 4TW is South Cambridgeshire. The immediate area is Castle Camps, a distinct community within the wider district. The CB21 postcode area contains 434 postcodes on this site. Superfast broadband across CB21 ranges from 0% to 100%. CB21 4TW is below the area average of 93%.

Not every property at CB21 4TW gets the same speeds. Run a postcode check with each provider before signing up. Headline speeds are not guarantees. If fibre is unavailable, consider 4G home broadband or satellite as alternatives. Speeds may still be adequate for most uses. Compare contract lengths, total costs over the term, and exit fees. The cheapest monthly rate is not always the best deal.

Life in Castle Camps depends on what matters to you. Broadband, transport, and local services vary by street.

Looking at the overall picture for CB21 4TW, a few things are worth highlighting. South Cambridgeshire as a local authority area has its own planning priorities, council services, and infrastructure investment plans. Check the council website for the latest. The data covers what can be measured. Castle Camps has its own character that numbers alone cannot capture. Use these figures as a filter, then visit to get the full picture.

Data sources include Ofcom (broadband and mobile), Land Registry (house prices), Police.uk (crime), Ofsted (schools), Environment Agency (flood risk), and Open-Meteo (air quality). Council tax data comes from the Valuation Office Agency. EPC data is from DLUHC. Transport data uses NaPTAN. Speed distribution figures are from Ofcom Connected Nations. All figures are the latest available at the time of writing.

Numbers tell part of the story for CB21 4TW. Visit at different times of day. Talk to neighbours. Check mobile signal indoors. Walk the route to the nearest school or station. Test the broadband speed from inside the property. These things do not show up in data.

That is the full data picture for CB21 4TW in Castle Camps. Use it alongside your own research. For the most current broadband speeds, run a live speed test from this page. Check back periodically as data is refreshed with new releases.