10Gb Leased Lines: The Ultimate Guide & Deals Quick answer
A 10Gb leased line is a dedicated business fibre connection offering 10 gigabits per second upload and download speeds with 99.99% uptime and ultra-low latency, so it’s great for companies running large cloud workloads, real-time applications, AI processing, or supporting 100+ users. Prices usually range from £7,000-£10,000 per year depending on location and contract length.
Compare leased line provider quotes →
How do we work?
Transparent, impartial, and data‑driven reviews made by a team of expert humans, never AI generated – here’s exactly how Compare Your Business Costs helps you find the best deals from trusted UK providers: click here
Authored by: Ally Cox (Business Technology & B2B Services Specialist 10+ Years’ Experience)
Reviewed by: James Ward (Telecoms Specialist, 12+ Years Experience)
Last Updated: August 2026
Leased Line Cost Calculator UK Estimate your monthly leased line cost, annual spend, total contract value and whether dedicated internet is likely to be worth comparing for your business.
Required leased line speed
100Mbps 200Mbps 500Mbps 1Gbps 2Gbps 10Gbps Choose the committed speed your business needs.
Bearer size
100Mbps bearer 1Gbps bearer 10Gbps bearer A larger bearer can make future speed upgrades easier.
Business usage
Standard office use VoIP, video calls and cloud software Heavy uploads, backups or large files Critical operations / cannot trade offline Enterprise, data-heavy or multi-site Higher usage may increase recommended resilience and speed.
Location type
City / strong network availability Town / mixed availability Rural / limited availability Business park / complex install Leased line pricing is highly postcode-specific.
Contract length
12 months 24 months 36 months 60 months Longer contracts usually reduce the monthly price.
Resilience requirement
No extra resilience 4G/5G or broadband backup Diverse backup circuit Useful if downtime would stop trading.
SLA requirement
Standard business SLA Enhanced SLA / faster fix Critical SLA / maximum uptime focus Higher SLA expectations can affect provider choice.
Your estimated leased line cost
Estimated monthly cost
£0
Estimated cost per Mbps
£0
Recommended option
Leased line
Difference vs broadband
£0
Enter your details to estimate your leased line cost.
Recommendation will appear here.
This calculator is an estimate only. Actual leased line costs vary by postcode, network availability, bearer size, contract length, installation, excess construction charges, SLA, resilience, provider and survey results.
Contents
10GB Leased Line Providers
Do I Need a 10GB Leased Line?
Benefits of a 10Gb Leased Line
10Gb Leased Line vs Standard Broadband
Alternatives to 10GB Leased Lines
What is the Cost of a 10GB Leased Line?
Key Takeaways
A 10Gb leased line delivers 10,000Mbps symmetrical speeds.
Ideal for AI workloads, cloud applications, large teams & real-time operations.
Prices typically range from £7,000–£10,000 per year.
Dedicated bandwidth = no congestion, no slowdown, no sharing.
Cheaper alternatives include 1Gb leased lines, FTTP, bonded broadband, or dark fibre.
Best for medium to large businesses or high-growth tech firms.
10GB Leased Line Providers
Do I Need a 10GB Leased Line? A 10Gb leased line is great for any company that relies on ultra-fast, high-capacity internet. So if you’re wondering if they are right for your business needs, we suggest you ask yourself these questions:
Do you handle large file transfers (e.g., video production, CAD designs, software development)?
Do you require real-time data processing for cloud applications, stock trading, or AI workloads?
Is seamless video conferencing & remote collaboration critical to your business operations?
Are you looking to future-proof your network for upcoming growth?
💡 If you answered yes to any of these, we think that a 10Gb leased line could be the right investment for your business.!
Benefits of a 10Gb Leased Line 📶 1. Lightning-fast speeds & performance
🚀 10Gbps symmetrical speeds for instant downloads & uploads
🔄 Zero lag, so ideal for cloud computing, VoIP, and real-time applications
🔒 2. Dedicated & secure connectivity
✅ No bandwidth sharing, unlike broadband, a 10Gb leased line is exclusively yours
🔑 Advanced security features with optional firewalls, static IPs & encrypted networks
📡 3. Enterprise-grade reliability
📈 99.99% uptime guarantee with Service Level Agreements (SLAs)
⚡ Low latency, so ideal for time-sensitive operations like financial transactions & gaming
💰 4. Increased productivity & cost savings
👨💻 Supports 100s of users & remote workers
🏢 No interruptions or slowdowns = Better efficiency
📞 Want a fast & secure connection? Compare 10Gb leased line options now!
Other Benefits:
Improved employee productivity
Enhanced customer satisfaction
Long-run cost savings (due to increased productivity)
10Gb Leased Line vs Standard Broadband Let’s compare some typical features of standard broadband to a 10GB leased line:
Feature Standard broadband 10Gb leased line
Speed 10Mbps – 100Mbps (download) 10Gbps (upload & download)
Bandwidth sharing Shared connection with other users Exclusive connection for your business
Reliability Can suffer slowdowns & congestion 99.99% uptime with guaranteed SLAs
Security Shared network – higher risk of cyber threats Private connection with advanced security options
Latency Higher latency Ultra-low latency = real-time performance
Scalability Limited upgrades Easily scalable to meet business growth
Cost Lower monthly costs Premium pricing, but higher ROI
Best for Small businesses with basic needs Enterprises needing ultra-fast, uninterrupted connectivity
Alternatives to 10GB Leased Lines If 10Gbps leased lines are unavailable in your area, you can explore these alternatives that might fulfil your bandwidth needs:
1️⃣ Bonded broadband: This combines multiple broadband connections for increased bandwidth.
2️⃣ 1Gb Leased Line : Thi is suitable for businesses with moderate bandwidth needs.
3️⃣ Dark fibre : This is a type of custom fibre optic networks offering high-speed, private connections.
What is the Cost of a 10GB Leased Line?
10Gb leased lines are a significant investment, typically costing between £7,000 and £10,000 per year, but keep in mind they offer a high return on investment (ROI) by giving you increased productivity, improved customer satisfaction, and long-term cost savings.
Minimum : Approximately £5,000 per yearAverage : Ranging from £7,000 to £10,000 per yearMaximum : Up to £15,000 or higher per year
10Gb Leased Line FAQS 1. What is a 10Gb leased line?
A dedicated fibre connection delivering 10Gbps symmetrical speeds with guaranteed uptime, high security and enterprise-grade performance.
2. How fast is 10Gbps in real terms?
10Gbps can transfer a 100GB file in under 10 seconds. It easily supports 100s of users and heavy cloud applications.
3. Is a 10Gb leased line worth it?
Yes, if your business relies on cloud systems, real-time apps, AI workloads or has 100+ staff. Smaller businesses may find 1Gb sufficient.
4. How long does installation take?
Typically 45-90 days, depending on surveys, wayleaves and engineering.
5. Can I upgrade from 1Gb to 10Gb later?
Most providers support easy upgrades, especially if your fibre is already in place.
6. Does a 10Gb leased line include a router?
Usually yes, but some providers charge extra for managed routers or security add-ons.
7. Are 10Gb leased lines available everywhere?
Availability depends on local fibre routes. Urban areas have the widest coverage.
Other useful links about leased lines include:
Hi, I’m Ally Cox , a senior copywriter and blogger at CompareYourBusinessCosts.co.uk, the UK’s trusted platform for comparing business services.over a decade of experience in the B2B sector, I specialise in simplifying complex topics like leased lines, VoIP, business energy, HR and payroll solutions, accounting software, and EPOS systems .HR, copywriting, and business operations- from clocking-in systems to card machines and office technology .informed, confident decisions when choosing products and services that improve efficiency and save money.
