SG18 postcode
Broadband in SG18 9ND
Southill, Central Bedfordshire
Superfast broadband covers 100% of premises here.
Free, independent comparison · Ofcom verified data · Updated 4 March 2026
Flood Risk
Medium
Fibre (FTTP)
No
Best speed
~30 Mbps
Speed Calculator
Adjust the options below to see how much broadband speed your household needs.
HD uses ~5 Mbps per person. 4K uses ~25 Mbps.
Each person on calls needs around 10 Mbps.
Competitive gaming needs low latency as much as raw speed.
Cameras, thermostats, speakers and similar devices each use a few Mbps.
The best available speed at SG18 9ND is ~30 Mbps. That covers your 14 Mbps estimate.
Speed Test
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The test downloads a 2 MB file from our server and measures how long it takes.
This test measures download speed only. Results vary depending on network conditions.
Broadband availability
Source: Ofcom Connected Nations 2025 (Jul 2025)
| Technology | Available | Coverage | Typical Speed |
|---|---|---|---|
| Standard (ADSL) | 100% | 100% | 10-20 Mbps |
| Superfast (30+ Mbps) | 100% | 100% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 0% | 0% | 100-300 Mbps |
| Full Fibre (FTTP) | N/A | N/A | 300-900 Mbps |
| Gigabit | 0% | 0% | 900-1,000 Mbps |
Speed Distribution at SG18 9ND
Source: Ofcom Connected Nations 2025
Mobile coverage
4G & 5G coverage · Ofcom Connected Nations 2025
4G Outdoor
4G Indoor
5G Outdoor
Networks with 4G
Crime summary
Based on Police.uk data for 2025-12Total crimes last month: 0
Schools nearby
Nearest schools within 5 miles · Ofsted ratings as at Jan 2026
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Flood risk
🟠
Flood risk: Medium
This postcode is in undefined — medium risk of flooding from rivers and sea.
Flood Zone
Risk Level
Medium
Air quality
Particulate matter & nitrogen dioxide levels
air quality
Air quality data not available.
WHO guideline: 15 μg/m³
WHO guideline: 45 μg/m³
WHO guideline: 25 μg/m³
Area demographics
Data for LSOA: Central Bedfordshire 004A
Population
1,508
Census 2021
Density
42
per km² · Rural
Median Age
42
years (est.)
Estimated from area type (density-based); exact value requires Census TS007 age breakdown
Deprivation index (IMD)
English Indices of Deprivation 2019 · LSOA: E01017412
Overall IMD Decile
5 / 10
Average
Ranked
14,529
of 32,844 areas
Decile 10 = least deprived 10% of England. Decile 1 = most deprived 10%. Based on Central Bedfordshire 004A (2019 boundaries).
| Domain | Decile | Rank | Assessment |
|---|---|---|---|
| Income | 8 | 24,895 | Above average |
| Employment | 8 | 23,594 | Above average |
| Education | 5 | 16 | Average |
| Health | 9 | N/A | Least deprived |
| Crime | 6 | N/A | Average |
Transport links
Nearest train stations and towns
Nearest train stations
No train stations found within 15 miles
Council tax bands
Band distribution for Central Bedfordshire
Most common: Band
Annual council tax estimates for , 2024/25
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SG18 9ND sits in Southill, part of Central Bedfordshire. 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 SG18 9ND stands at 100%. That is above the UK average of 93%.
Looking at the full speed profile for SG18 9ND gives a better picture of what to expect. 100% of connections fall in the 30 to 300 Mbps range. No premises here are stuck below 5 Mbps. Every property meets the basic threshold for video calls.
What do the broadband speeds at SG18 9ND mean in practice? Most premises have superfast speeds. Remote working with video calls and cloud tools should be manageable for most households.
Fixed Wireless Access is not currently available at SG18 9ND. For properties without fibre, 4G or 5G home broadband from Three, EE, or Vodafone may be an alternative.
0% of premises at SG18 9ND fall below the Universal Service Obligation of 10 Mbps. Every property here meets the minimum standard. That is not the case everywhere. Next-generation access (NGA) reaches 100% of the area. NGA typically means speeds of 24 Mbps or above.
0 crimes were reported near SG18 9ND in the most recent month. The level is relatively low. Data comes from Police.uk at LSOA level. One month is a snapshot, not a trend.
Flood risk at SG18 9ND is rated Medium. Check Environment Agency flood maps for detailed information. Specialist flood insurance may be needed.
The LSOA covering SG18 9ND has a population of approximately 1508. Median age is 42. That is close to the national median of 40.
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 SG18 9ND 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.
Suitability scores for SG18 9ND: remote working 55/100, family 70/100, value 50/100. Remote workers may want to verify actual speeds before committing.
The local authority for SG18 9ND is Central Bedfordshire. The immediate area is Southill, a distinct community within the wider district. The SG18 postcode area contains 747 postcodes on this site. Superfast broadband across SG18 ranges from 0% to 100%. SG18 9ND is above the area average of 92%.
Broadband availability varies by provider and by property. At SG18 9ND, check individual coverage tools from BT, Sky, Virgin Media, and local operators. 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.
The age profile is close to the national median. A mix of families, professionals, and retirees.
Pulling the data together for SG18 9ND, here is what stands out. Connectivity at SG18 9ND is a strength. Strong broadband coverage gives flexibility for both working and leisure. The area scores well on that front. Central Bedfordshire 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. Southill 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.
Before making a decision about SG18 9ND, visit in person. Check the commute at rush hour. Try the mobile signal indoors. Look at local shops and green spaces. Ask about broadband reliability, not just speed. Data sets the scene, but real life fills in the gaps.
SG18 9ND in Southill: broadband, house prices, crime, schools, and more. All from verified sources. Run a speed test above for a live reading. Compare with nearby postcodes to see how this area stacks up against its neighbours.
More local data is being added for this postcode
This page already has postcode-specific content, and more data-backed sections will appear as the remaining local datasets finish processing.
Frequently asked questions about SG18 9ND
What are the broadband speeds available at SG18 9ND?
Superfast broadband (30 Mbps+) is available to 100% of premises at SG18 9ND.
What is the average house price near SG18 9ND?
No recent house price data is available for SG18 9ND.
What is the flood risk for properties at SG18 9ND?
SG18 9ND has a Medium flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the SG18 9ND area?
School data for SG18 9ND is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in SG18 9ND compare to other areas?
0 offences were recorded in this LSOA area in the latest month. This is relatively low.
How suitable is SG18 9ND for remote working?
SG18 9ND scores 55/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at SG18 9ND?
4G outdoor coverage at SG18 9ND is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near SG18 9ND?
EPC data for SG18 9ND is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at SG18 9ND?
Council tax band information for SG18 9ND is being updated.
How accessible are GP surgeries near SG18 9ND?
GP surgery data for SG18 9ND is being updated. Check NHS.uk for the latest.
What transport links are available near SG18 9ND?
Transport data for SG18 9ND is being updated.
Is SG18 9ND a suitable area for families?
SG18 9ND scores 70/100 for family suitability. The area offers a reasonable mix of schools and safety.
What is the air quality like at SG18 9ND?
Air quality data for SG18 9ND is being updated.
How far is the nearest EV charging point from SG18 9ND?
EV charging data for SG18 9ND is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at SG18 9ND?
Full fibre availability at SG18 9ND is being updated. Check Openreach for the latest rollout status.
Area suitability scores
SG18 9NDRemote Worker
55Based on superfast broadband coverage, FTTP %, and 4G mobile outdoor coverage.
Family
70Based on Ofsted school ratings, crime rate, flood risk, and GP surgery proximity.
Value for Money
50Based on broadband quality relative to average house price in the area.
Map
Area info
Parish
Southill
District
Central Bedfordshire
Region
Constituency
LSOA
E01017412
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