DT3 postcode
Broadband in DT3 4HW
Portesham, Dorset
Standard broadband is the main option at this postcode.
Compare Broadband Deals →Free, independent comparison · Ofcom verified data · Updated 7 March 2026
Flood Risk
Medium
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 DT3 4HW yet.
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) | 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 DT3 4HW
Source: Ofcom Connected Nations 2025
Mobile coverage
4G & 5G coverage · Ofcom Connected Nations 2025
4G Outdoor
4G Indoor
5G Outdoor
Networks with 4G
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
Transport links
Nearest train stations and towns
Nearest train stations
No train stations found within 15 miles
Council tax bands
Band distribution for Dorset
Most common: Band
Annual council tax estimates for , 2024/25
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Looking at DT3 4HW in Portesham? Here is what the data says. From broadband coverage to crime rates, this is the full picture. All numbers are from official sources. The guide is updated as new data becomes available.
Superfast broadband (30 Mbps+) coverage at DT3 4HW stands at 0%. That is below the UK average of 93%.
Here is how broadband speeds break down across premises at DT3 4HW. 83.3% of connections fall in the 2 to 5 Mbps range. 16.7% of connections fall in the 5 to 10 Mbps range. 83% of premises get less than 5 Mbps. That is not enough for reliable video calls or streaming.
What do the broadband speeds at DT3 4HW mean in practice? 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.
FWA broadband has not reached DT3 4HW yet. Satellite services like Starlink or 4G home broadband routers can fill the gap where fixed-line options are limited.
The USO guarantees every UK home at least 10 Mbps. At DT3 4HW, 25% of properties do not meet this threshold. Properties below the USO can request a connection from BT under the scheme. Next-generation access (NGA) reaches 0% of the area. NGA typically means speeds of 24 Mbps or above.
Flood risk at DT3 4HW is rated Medium. Check Environment Agency flood maps for detailed information. Specialist flood insurance may be needed.
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 DT3 4HW 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 DT3 4HW: remote working 50/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
DT3 4HW falls within the Dorset local authority area. The immediate area is Portesham, a distinct community within the wider district. The DT3 postcode area contains 695 postcodes on this site. Superfast broadband across DT3 ranges from 0% to 100%.
When choosing a broadband provider at DT3 4HW, check what technology reaches your specific address. Availability varies by street and sometimes by building. 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.
Every part of Portesham has its own feel. This data gives you the factual starting point. A visit fills in the rest.
Looking at the overall picture for DT3 4HW, a few things are worth highlighting. Broadband is the main concern at DT3 4HW. With no superfast coverage, check what alternatives exist before committing. 4G home broadband, satellite, or community fibre schemes may fill the gap. Dorset 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. Portesham 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 DT3 4HW, 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.
That is the full data picture for DT3 4HW in Portesham. Use it alongside your own research. For the most current broadband speeds, run a live speed test from this page. Check back periodically as data is refreshed with new releases.
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 DT3 4HW
What are the broadband speeds available at DT3 4HW?
Broadband is available at DT3 4HW. Contact local providers for specific speed information.
What is the average house price near DT3 4HW?
No recent house price data is available for DT3 4HW.
What is the flood risk for properties at DT3 4HW?
DT3 4HW has a Medium flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the DT3 4HW area?
School data for DT3 4HW is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in DT3 4HW compare to other areas?
Crime data for this area is being updated.
How suitable is DT3 4HW for remote working?
DT3 4HW scores 50/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at DT3 4HW?
4G outdoor coverage at DT3 4HW is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near DT3 4HW?
EPC data for DT3 4HW is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at DT3 4HW?
Council tax band information for DT3 4HW is being updated.
How accessible are GP surgeries near DT3 4HW?
GP surgery data for DT3 4HW is being updated. Check NHS.uk for the latest.
What transport links are available near DT3 4HW?
Transport data for DT3 4HW is being updated.
Is DT3 4HW a suitable area for families?
DT3 4HW scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at DT3 4HW?
Air quality data for DT3 4HW is being updated.
How far is the nearest EV charging point from DT3 4HW?
EV charging data for DT3 4HW is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at DT3 4HW?
Full fibre availability at DT3 4HW is being updated. Check Openreach for the latest rollout status.
Area suitability scores
DT3 4HWRemote Worker
50Based on superfast broadband coverage, FTTP %, and 4G mobile outdoor coverage.
Family
50Based 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
Portesham
District
Dorset
Region
Constituency
LSOA
E01020512
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