SG18 postcode
Broadband in SG18 9LW
Southill, Central Bedfordshire
Standard broadband is the main option at this postcode.
Compare Broadband Deals →Free, independent comparison · Ofcom verified data · Updated 29 March 2026
Flood Risk
Low
Fibre (FTTP)
No
Best speed
Data pending
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.
Your household needs approximately 14 Mbps. We don't have speed data for SG18 9LW yet.
Speed Test
Check your current download speed and see how it compares to what is available at SG18 9LW.
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) | 0% | 0% | 10-20 Mbps |
| Superfast (30+ Mbps) | 0% | 0% | 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 9LW
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: Low
This postcode is in undefined — low risk of flooding from rivers and sea.
Flood Zone
Risk Level
Low
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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Check Deals →Living near SG18 9LW
SG18 9LW 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 coverage here stands at 0%. Nationally, 93% of UK premises have access. Some properties may struggle with speed.
The speed distribution at SG18 9LW tells a more detailed story than headline figures alone. 100% of connections fall in the 2 to 5 Mbps range. 100% of premises get less than 5 Mbps. That is not enough for reliable video calls or streaming.
Translating the numbers at SG18 9LW into daily use gives a clearer picture. With no superfast coverage, streaming is limited. Standard definition video may work, but HD and 4K are unlikely to run smoothly. Downloading large files will take significantly longer than average. Limited superfast coverage means remote workers should test their connection carefully. Video calls may drop or pixelate. A mobile hotspot can serve as a backup. The concentration of slow connections here is significant. For households that depend on the internet, checking real speeds before moving is essential. Satellite broadband via Starlink is worth considering.
Fixed Wireless Access is not currently available at SG18 9LW. For properties without fibre, 4G or 5G home broadband from Three, EE, or Vodafone may be an alternative.
0% of premises at SG18 9LW 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.
Crime in the LSOA covering SG18 9LW totalled 0 offences last month. This is a relatively low figure. Data comes from Police.uk at LSOA level. One month is a snapshot, not a trend.
Flood risk at SG18 9LW is rated Low. Minor precautions may be worth considering. Check with insurers about any loading on premiums.
The LSOA covering SG18 9LW 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 9LW 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 9LW: remote working 50/100, family 70/100, value 50/100. Remote workers may want to verify actual speeds before committing.
SG18 9LW falls within the Central Bedfordshire local authority area. 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%.
Not every property at SG18 9LW 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.
The age profile is close to the national median. A mix of families, professionals, and retirees.
What does all of this mean for someone considering SG18 9LW? Broadband is the main concern at SG18 9LW. With no superfast coverage, check what alternatives exist before committing. 4G home broadband, satellite, or community fibre schemes may fill the gap. 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.
Data is a starting point for Southill. Walk the streets at different times. Test your mobile signal. Check parking, noise levels, and the feel of the neighbourhood. Run a speed test on the actual connection. Some things only a visit can reveal.
SG18 9LW 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 9LW
What are the broadband speeds available at SG18 9LW?
Broadband is available at SG18 9LW. Contact local providers for specific speed information.
What is the average house price near SG18 9LW?
No recent house price data is available for SG18 9LW.
What is the flood risk for properties at SG18 9LW?
SG18 9LW has a Low flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the SG18 9LW area?
School data for SG18 9LW is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in SG18 9LW compare to other areas?
0 offences were recorded in this LSOA area in the latest month. This is relatively low.
How suitable is SG18 9LW for remote working?
SG18 9LW scores 50/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at SG18 9LW?
4G outdoor coverage at SG18 9LW is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near SG18 9LW?
EPC data for SG18 9LW is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at SG18 9LW?
Council tax band information for SG18 9LW is being updated.
How accessible are GP surgeries near SG18 9LW?
GP surgery data for SG18 9LW is being updated. Check NHS.uk for the latest.
What transport links are available near SG18 9LW?
Transport data for SG18 9LW is being updated.
Is SG18 9LW a suitable area for families?
SG18 9LW scores 70/100 for family suitability. The area offers a reasonable mix of schools and safety.
What is the air quality like at SG18 9LW?
Air quality data for SG18 9LW is being updated.
How far is the nearest EV charging point from SG18 9LW?
EV charging data for SG18 9LW is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at SG18 9LW?
Full fibre availability at SG18 9LW is being updated. Check Openreach for the latest rollout status.
Area suitability scores
SG18 9LWRemote Worker
50Based 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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