SL9 postcode
Broadband in SL9 8TD
Gerrards Cross, Buckinghamshire
Gigabit broadband is available at this postcode.
Free, independent comparison · Ofcom verified data · Updated 11 March 2026
Flood Risk
Low
Fibre (FTTP)
No
Best speed
Gigabit (1Gbps+)
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.
Gigabit broadband (Gigabit (1Gbps+)) is available at SL9 8TD. That covers your 14 Mbps needs with room to spare.
Speed Test
Check your current download speed and see how it compares to what is available at SL9 8TD.
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) | 78% | 78% | 10-20 Mbps |
| Superfast (30+ Mbps) | 78% | 78% | 30-80 Mbps |
| Ultrafast (100+ Mbps) | 78% | 78% | 100-300 Mbps |
| Full Fibre (FTTP) | 0% | 0% | 300-900 Mbps |
| Gigabit | 78% | 78% | 900-1,000 Mbps |
Speed Distribution at SL9 8TD
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: Low
This postcode is in undefined — low risk of flooding from rivers and sea.
Flood Zone
Risk Level
Low
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 Buckinghamshire
Most common: Band
Annual council tax estimates for , 2024/25
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Looking at SL9 8TD in Gerrards Cross? 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 coverage here stands at 78.3%. Nationally, 93% of UK premises have access. Some properties may struggle with speed. Ultrafast broadband (100 Mbps+) reaches 78.3% of properties. Over half of premises have access to faster tiers. Gigabit-capable connections cover 78.3% of premises. Gigabit is available but not yet widespread at this postcode.
Looking at the full speed profile for SL9 8TD gives a better picture of what to expect. 17.4% of connections fall in the 2 to 5 Mbps range. 4.3% of connections fall in the 10 to 30 Mbps range. 78.3% of connections fall in the 300 Mbps or faster range. 17% of premises get less than 5 Mbps. That is not enough for reliable video calls or streaming. Over half of connections exceed 300 Mbps. That supports multiple 4K streams, large file transfers, and cloud gaming without issue.
What do the broadband speeds at SL9 8TD mean in practice?
FWA broadband has not reached SL9 8TD yet. Satellite services like Starlink or 4G home broadband routers can fill the gap where fixed-line options are limited.
0% of premises at SL9 8TD fall below the Universal Service Obligation of 10 Mbps. 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 SL9 8TD is rated Low. Minor precautions may be worth considering. Check with insurers about any loading on premiums.
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 SL9 8TD 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. Strong 4G coverage combined with limited fixed broadband means 4G home broadband could be a practical alternative here.
Suitability scores for SL9 8TD: remote working 35/100, family 50/100, value 50/100. Remote workers may want to verify actual speeds before committing.
SL9 8TD falls within the Buckinghamshire local authority area. The immediate area is Gerrards Cross, a distinct community within the wider district. The SL9 postcode area contains 844 postcodes on this site. Superfast broadband across SL9 ranges from 0% to 100%. SL9 8TD is below the area average of 97%.
Not every property at SL9 8TD gets the same speeds. Run a postcode check with each provider before signing up. Headline speeds are not guarantees. 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 Gerrards Cross depends on what matters to you. Broadband, transport, and local services vary by street.
What does all of this mean for someone considering SL9 8TD? Buckinghamshire 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. Gerrards Cross 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.
Data is a starting point for Gerrards Cross. Walk the streets at different times. Test your mobile signal. Check parking, noise levels, and the feel of the neighbourhood. Run a speed test on the actual connection. Some things only a visit can reveal.
This covers the key data for SL9 8TD. Broadband, property, schools, safety, and local services all in one place. For area-wide trends, see the Gerrards Cross 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 SL9 8TD
What are the broadband speeds available at SL9 8TD?
Superfast broadband (30 Mbps+) is available to 78.3% of premises at SL9 8TD. Ultrafast coverage is at 78.3%.
What is the average house price near SL9 8TD?
No recent house price data is available for SL9 8TD.
What is the flood risk for properties at SL9 8TD?
SL9 8TD has a Low flood risk rating. Check Environment Agency maps for detail.
What schools are nearby in the SL9 8TD area?
School data for SL9 8TD is being updated. Check the Get Information About Schools service for the latest.
How does crime rate in SL9 8TD compare to other areas?
Crime data for this area is being updated.
How suitable is SL9 8TD for remote working?
SL9 8TD scores 35/100 for remote working suitability. Speeds may limit video-heavy workflows.
What is the mobile signal like at SL9 8TD?
4G outdoor coverage at SL9 8TD is 95%. Indoor coverage may be lower.
What is the most common energy efficiency rating near SL9 8TD?
EPC data for SL9 8TD is being updated. Check the EPC register for individual property ratings.
What is the council tax band distribution at SL9 8TD?
Council tax band information for SL9 8TD is being updated.
How accessible are GP surgeries near SL9 8TD?
GP surgery data for SL9 8TD is being updated. Check NHS.uk for the latest.
What transport links are available near SL9 8TD?
Transport data for SL9 8TD is being updated.
Is SL9 8TD a suitable area for families?
SL9 8TD scores 50/100 for family suitability. Check school and crime sections above for detail.
What is the air quality like at SL9 8TD?
Air quality data for SL9 8TD is being updated.
How far is the nearest EV charging point from SL9 8TD?
EV charging data for SL9 8TD is being updated. Check Zap-Map for the latest.
Can I get full fibre broadband at SL9 8TD?
Ultrafast broadband (100 Mbps+) reaches 78.3% of premises. Check Openreach and local operators for FTTP availability.
Area suitability scores
SL9 8TDRemote Worker
35Based 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
Gerrards Cross
District
Buckinghamshire
Region
Constituency
LSOA
E01017821
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