RH12 postcode

Broadband in RH12 3DZ

Warnham, Horsham

Gigabit broadband is available at this postcode.

Best speedGigabit (1Gbps+)
StandardSuperfastGigabit
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Free, independent comparison · Ofcom verified data · Updated 15 March 2026

Flood Risk

Medium

Fibre (FTTP)

No

Best speed

Gigabit (1Gbps+)

Reviewed by Sage MitchellData last verified: 15 March 2026

Speed Calculator

Adjust the options below to see how much broadband speed your household needs.

2
18

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.

Estimated speed needed14 Mbps

Gigabit broadband (Gigabit (1Gbps+)) is available at RH12 3DZ. That covers your 14 Mbps needs with room to spare.

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Speed Test

Check your current download speed and see how it compares to what is available at RH12 3DZ.

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)

TechnologyAvailableCoverageTypical Speed
Standard (ADSL)100%
100%
10-20 Mbps
Superfast (30+ Mbps)100%
100%
30-80 Mbps
Ultrafast (100+ Mbps)50%
50%
100-300 Mbps
Full Fibre (FTTP)0%
0%
300-900 Mbps
Gigabit50%
50%
900-1,000 Mbps

Speed Distribution at RH12 3DZ

30–300 Mbps (50%)
300+ Mbps (50%)

Source: Ofcom Connected Nations 2025

Mobile coverage

4G & 5G coverage · Ofcom Connected Nations 2025

4G Outdoor

95%

4G Indoor

85%

5G Outdoor

%

Networks with 4G

EEO2ThreeVodafone
Ofcom Connected Nations 2025

Schools nearby

Nearest schools within 5 miles · Ofsted ratings as at Jan 2026

Schools data is currently unavailable.

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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

Environment Agency

Air quality

Particulate matter & nitrogen dioxide levels

air quality

Air quality data not available.

PM2.5 (fine particles) μg/m³

WHO guideline: 15 μg/m³

PM10 (coarse particles) μg/m³

WHO guideline: 45 μg/m³

NO₂ (nitrogen dioxide) μg/m³

WHO guideline: 25 μg/m³

DEFRA UK-AIR · Guidelines: WHO 2021

Transport links

Nearest train stations and towns

Nearest train stations

No train stations found within 15 miles

Network Rail / National Rail · Straight-line distances

Council tax bands

Band distribution for Horsham

Most common: Band

A
5%£1,381
B
10%£1,611
C
20%£1,841
D
25%£2,071
E
20%£2,531
F
10%£2,991
G
8%£3,452
H
2%£4,142

Annual council tax estimates for , 2024/25

VOA (Valuation Office Agency)

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Living near RH12 3DZ

Warnham is home to RH12 3DZ. Whether you live here or plan to move, the data below paints a clear picture. Broadband, schools, crime, house prices, and local services all follow. The numbers speak for themselves.

100% of premises at RH12 3DZ can access superfast broadband. The UK average is 93%. This postcode meets or exceeds that benchmark. Ultrafast broadband (100 Mbps+) reaches 50% of properties. Over half of premises have access to faster tiers. Gigabit-capable connections cover 50% of premises. Gigabit is available but not yet widespread at this postcode.

Here is how broadband speeds break down across premises at RH12 3DZ. 50% of connections fall in the 30 to 300 Mbps range. 50% of connections fall in the 300 Mbps or faster range. No premises here are stuck below 5 Mbps. Every property meets the basic threshold for video calls. 50% of premises can hit 300 Mbps or more. That is enough for demanding multi-device households.

Here is how the broadband at RH12 3DZ maps against common household needs. Most premises have superfast speeds. Remote working with video calls and cloud tools should be manageable for most households.

Fixed Wireless Access is not currently available at RH12 3DZ. For properties without fibre, 4G or 5G home broadband from Three, EE, or Vodafone may be an alternative.

The USO guarantees every UK home at least 10 Mbps. At RH12 3DZ, 0% of properties do not meet this threshold. 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.

Flood risk at RH12 3DZ 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 RH12 3DZ 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 RH12 3DZ: remote working 55/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.

RH12 3DZ falls within the Horsham local authority area. The immediate area is Warnham, a distinct community within the wider district. The RH12 postcode area contains 1296 postcodes on this site. Superfast broadband across RH12 ranges from 0% to 100%. RH12 3DZ is close to the area average of 95%.

How does RH12 3DZ compare to its neighbours? RH12 3QW (0.04 miles, warnham) has 100% superfast coverage and 77.8% gigabit. RH12 3QP (0.05 miles, warnham) has 100% superfast coverage and 100% gigabit. RH12 3XR (0.05 miles, warnham) has 100% superfast coverage and 100% gigabit. Coverage is broadly similar across these neighbouring postcodes.

Broadband availability varies by provider and by property. At RH12 3DZ, check individual coverage tools from BT, Sky, Virgin Media, and local operators. 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.

Life in Warnham depends on what matters to you. Broadband, transport, and local services vary by street.

Looking at the overall picture for RH12 3DZ, a few things are worth highlighting. Connectivity at RH12 3DZ is a strength. Strong broadband coverage gives flexibility for both working and leisure. The area scores well on that front. Horsham 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. Warnham 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 RH12 3DZ, 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.

This covers the key data for RH12 3DZ. Broadband, property, schools, safety, and local services all in one place. For area-wide trends, see the Warnham hub page. Bookmark this page and check back as new data arrives.

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 RH12 3DZ

What are the broadband speeds available at RH12 3DZ?

Superfast broadband (30 Mbps+) is available to 100% of premises at RH12 3DZ. Ultrafast coverage is at 50%.

What is the average house price near RH12 3DZ?

No recent house price data is available for RH12 3DZ.

What is the flood risk for properties at RH12 3DZ?

RH12 3DZ has a Medium flood risk rating. Check Environment Agency maps for detail.

What schools are nearby in the RH12 3DZ area?

School data for RH12 3DZ is being updated. Check the Get Information About Schools service for the latest.

How does crime rate in RH12 3DZ compare to other areas?

Crime data for this area is being updated.

How suitable is RH12 3DZ for remote working?

RH12 3DZ scores 55/100 for remote working suitability. Speeds may limit video-heavy workflows.

What is the mobile signal like at RH12 3DZ?

4G outdoor coverage at RH12 3DZ is 95%. Indoor coverage may be lower.

What is the most common energy efficiency rating near RH12 3DZ?

EPC data for RH12 3DZ is being updated. Check the EPC register for individual property ratings.

What is the council tax band distribution at RH12 3DZ?

Council tax band information for RH12 3DZ is being updated.

How accessible are GP surgeries near RH12 3DZ?

GP surgery data for RH12 3DZ is being updated. Check NHS.uk for the latest.

What transport links are available near RH12 3DZ?

Transport data for RH12 3DZ is being updated.

Is RH12 3DZ a suitable area for families?

RH12 3DZ scores 50/100 for family suitability. Check school and crime sections above for detail.

What is the air quality like at RH12 3DZ?

Air quality data for RH12 3DZ is being updated.

How far is the nearest EV charging point from RH12 3DZ?

EV charging data for RH12 3DZ is being updated. Check Zap-Map for the latest.

Can I get full fibre broadband at RH12 3DZ?

Ultrafast broadband (100 Mbps+) reaches 50% of premises. Check Openreach and local operators for FTTP availability.

Area suitability scores

RH12 3DZ

Remote Worker

55

Based on superfast broadband coverage, FTTP %, and 4G mobile outdoor coverage.

Family

50

Based on Ofsted school ratings, crime rate, flood risk, and GP surgery proximity.

Value for Money

50

Based on broadband quality relative to average house price in the area.

Map

Area info

Parish

Warnham

District

Horsham

Region

Constituency

LSOA

E01031658

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