SM4 postcode
Broadband in SM4 9SJ
Merton, Merton
Broadband data not yet available for this postcode.
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Flood Risk
Data pending
Fibre (FTTP)
No data
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 SM4 9SJ yet.
Speed Test
Check your current download speed and see how it compares to what is available at SM4 9SJ.
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.
Crime summary
Based on Police.uk data for 2025-12Total crimes last month: 1
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Area demographics
Data for LSOA:
Population
N/A
Census 2021
Density
N/A
per km² · Unknown
Median Age
N/A
years (est.)
Deprivation index (IMD)
English Indices of Deprivation 2019 · LSOA: E01003427
Overall IMD Decile
N/A / 10
N/A
Decile 10 = least deprived 10% of England. Decile 1 = most deprived 10%. Based on (2019 boundaries).
| Domain | Decile | Rank | Assessment |
|---|---|---|---|
| Income | N/A | N/A | N/A |
| Employment | N/A | N/A | N/A |
| Education | N/A | N/A | N/A |
| Health | N/A | N/A | N/A |
| Crime | N/A | N/A | N/A |
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Check Deals →Frequently asked questions about SM4 9SJ
What broadband speeds are available at SM4 9SJ?
Broadband availability exists for SM4 9SJ, but speeds still vary by address and provider.
Can I get gigabit broadband at SM4 9SJ?
Gigabit availability is not confirmed in the current postcode dataset.
What are house prices like near SM4 9SJ?
Recent sale data is limited around SM4 9SJ, which often happens in mixed-use or low-turnover areas.
What schools are near SM4 9SJ?
School data is not loaded for this postcode yet.
What is the flood risk at SM4 9SJ?
Flood data for SM4 9SJ is still pending.
How is air quality around SM4 9SJ?
Air quality data is not loaded for this postcode yet.
Are there GP surgeries near SM4 9SJ?
GP access data for this postcode is not loaded yet.
What transport links does SM4 9SJ have?
Transport station data is not loaded for this postcode yet.
Is there mobile coverage at SM4 9SJ?
Mobile coverage data is not attached to this postcode yet.
Can I charge an EV near SM4 9SJ?
EV charging data is not loaded for this postcode yet.
What council tax band is common near SM4 9SJ?
Council tax distribution is not loaded for this postcode yet.
What makes SM4 9SJ different from nearby areas?
SM4 9SJ has its own mix of broadband coverage, local services, prices, and environmental signals. That is why postcode-level pages are more useful than generic town guides.
Should I compare SM4 9SJ with nearby postcodes?
Yes. Small postcode changes can mean different prices, flood signals, and service access.
Is SM4 9SJ worth checking in person?
Yes. The numbers narrow the shortlist, but walking the street still tells you things no dataset can.
How current is the data for SM4 9SJ?
This page uses official datasets that update on different cycles, so it is best used as a strong screening tool.
Map
Area info
Parish
Merton
District
Merton
Region
Constituency
LSOA
E01003427
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