SG18 postcode
Broadband in SG18 9JL
Southill, Central Bedfordshire
Broadband data not yet available for this postcode.
Compare Broadband Deals →Free, independent comparison · Ofcom verified data
Flood Risk
Medium
Fibre (FTTP)
TBC
Best speed
TBC
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 9JL yet.
Speed Test
Check your current download speed and see how it compares to what is available at SG18 9JL.
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.
Mobile coverage
4G & 5G coverage · Ofcom Connected Nations 2025
4G Outdoor
4G Indoor
5G Outdoor
Networks with 4G
Compare broadband in SG18 9JL
Find the best broadband packages available at your address.
Map
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
Ready to switch? See what's available at your address.
Check Deals →Flood risk
🟠
Flood risk: Medium
This postcode is in undefined — medium risk of flooding from rivers and sea.
Flood Zone
Risk Level
Medium
Council tax bands
Band distribution for Central Bedfordshire
Most common: Band
Annual council tax estimates for , 2024/25
Transport links
Nearest train stations and towns
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
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 |
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
Area info
Parish
Southill
District
Central Bedfordshire
Region
Constituency
LSOA
E01017412
Best deals
Compare broadband deals in SG18 9JL
Find the best packages from UK providers in minutes.
Broadband deals for SG18 9JL
Compare Deals