SM4 postcode
Broadband in SM4 5HH
Merton, Merton
Superfast broadband covers 100% of premises here.
Free, independent comparison · Ofcom verified data
Flood Risk
High
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 SM4 5HH is ~30 Mbps. That covers your 14 Mbps estimate.
Speed Test
Check your current download speed and see how it compares to what is available at SM4 5HH.
The test downloads a 2 MB file from our server and measures how long it takes.
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Living near SM4 5HH
What's SM4 5HH actually like? We checked Merton's data across 15+ categories. Broadband speeds and real-world performance. House prices and recent sales. Crime rates and categories. Schools, flood risk, air quality, GP access, and transport links. Everything below comes from official public data. Updated regularly. Specific to this postcode wherever possible.
Internet coverage here is good. Superfast (30Mbps+) reaches 100% of premises. The UK average is around 93%. Merton beats that. Enough for streaming, video calls, and smart home devices. No gigabit connections available yet. Top speeds listed as unknown.
Next-gen fibre infrastructure covers 100% of premises. Most of the area has modern fibre connections.
Limited house price data for SM4 5HH. Few residential sales on record here. Could be a commercial area, new development, or rental-heavy. Land Registry only records completed sales. Rentals and new-builds under shared ownership may not appear. Check Rightmove or Zoopla for current asking prices. Talk to local estate agents for a ground-level view.
Crime figures for this area: 1 in one month. Low crime area. Fewer incidents than most places this size. Most common type: violent crime (1). Crime data is at LSOA level, not postcode. Nearby postcodes share these figures. The area covers roughly 1,500 residents. Monthly figures move around. The pattern matters more.
Flood risk: High. Zone: Zone 1. Higher flood risk area. Check the Environment Agency flood map in detail. This will affect insurance costs. Air quality: Unknown.
Deprivation index: decile undefined out of 10. That's most deprived.
No public EV chargers recorded nearby. Home charging would be the main option. Check Zap-Map for the latest charger locations.
4G outdoor coverage: 95%. Good coverage. Some indoor dead spots possible. Data is at local authority level from Ofcom. Street-level signal can vary. Buildings and terrain affect actual reception. Try your handset on-site before switching provider.
A note on broadband providers. Ofcom data shows what's available. Not which provider to pick. Actual speeds depend on your line, your router, and your provider. Check BT, Sky, Virgin Media, and local FTTP operators. Compare deals at broadbandcompareuk.com or uSwitch. Contract lengths vary. 18 months is standard. Some offer 12. Ask about setup fees. They range from free to £50+. Run a speed test after installation. If speeds don't match what you're paying for, complain.
All data on this page comes from official public sources. Ofcom publishes broadband stats yearly. Police.uk updates monthly. The Land Registry records every sale. We pull it together so you can see the full picture in one place.
Before committing to SM4 5HH, visit at different times. Morning rush hour tells you about traffic and parking. Evening shows you noise levels. Weekends reveal how busy local shops and parks get. Check the walk to the nearest school or station yourself.
That's the full picture for SM4 5HH based on the latest data. Every area has trade-offs. These numbers help you spot them before you commit. Drill into each section above for the details. Compare several postcodes side by side. The right choice depends on what matters most to you. We refresh this data regularly.
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) | 0% | 0% | 300-900 Mbps |
| Gigabit | 0% | 0% | 900-1,000 Mbps |
Speed Distribution at SM4 5HH
Source: Ofcom Connected Nations 2025
Mobile coverage
4G & 5G coverage · Ofcom Connected Nations 2025
4G Outdoor
4G Indoor
5G Outdoor
Networks with 4G
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Map
Crime summary
Based on Police.uk data for 2025-12Total crimes last month: 1
Schools nearby
Nearest schools within 5 miles · Ofsted ratings as at Jan 2026
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Check Deals →Flood risk
🔴
Flood risk: High
This postcode is in undefined — high risk of flooding from rivers and sea.
Flood Zone
Risk Level
High
Council tax bands
Band distribution for Merton
Most common: Band
Annual council tax estimates for , 2024/25
Transport links
Nearest train stations and towns
Nearest train stations
No train stations found within 15 miles
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: 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 |
Area demographics
Data for LSOA:
Population
N/A
Census 2021
Density
N/A
per km² · Unknown
Median Age
N/A
years (est.)
Area info
Parish
Merton
District
Merton
Region
Constituency
LSOA
E01003427
Frequently asked questions about SM4 5HH
What are the broadband speeds available at SM4 5HH?
Superfast broadband (30Mbps+) is available to 100% of premises at SM4 5HH. Maximum download speeds reach not confirmed. Ultrafast coverage is at 0%.
What is the average house price near SM4 5HH?
No recent house price data for SM4 5HH. Few residential sales on record, or mainly commercial properties.
What is the flood risk for properties at SM4 5HH?
SM4 5HH has a High flood risk rating, classified as Unknown by the Environment Agency. Check the Environment Agency flood map for detailed risk information.
How does crime rate in SM4 5HH compare to other areas?
In the latest month of data, 1 crimes were reported in this area (LSOA level). This is below average. The most common category was violent crime.
What is the mobile signal like at SM4 5HH?
4G outdoor coverage at SM4 5HH is 95%, with 5G outdoor at not yet available. Networks available include EE, O2, Three, Vodafone. Data is at local authority level from Ofcom Connected Nations.
What is the most common energy efficiency rating for homes near SM4 5HH?
EPC data is not yet available for SM4 5HH. Energy Performance Certificates are recorded when properties are sold or rented. Check the EPC register at epc.opendatacommunities.org for individual property ratings.
What is the air quality like at SM4 5HH?
Air quality at SM4 5HH is rated Unknown with PM2.5 levels at not measured. Check Open-Meteo for detailed air quality forecasts.
How far is the nearest EV charging point from SM4 5HH?
EV charging data is not yet available for SM4 5HH. Check Zap-Map (zap-map.com) for the latest public charging locations near you.
Can I get full fibre broadband at SM4 5HH?
Ultrafast broadband is not currently available at SM4 5HH. Standard and superfast options may still be available. Check with providers for the latest rollout plans.
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