100Gb Leased Line UK 2026 | Compare Providers, Costs & Enterprise Deals Quick answer:
A 100Gb leased line offers dedicated, symmetrical speeds up to 100Gbps which is perfect for enterprises handling things like cloud computing, VoIP, and any large-scale transfers.
Typical 2025 UK prices:
Urban areas: £2,000 – £5,000 per month Suburban: £5,000 – £8,000 per month Rural: £8,000 – £10,000 + per month
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: January 2026
We’ve written all about leased lines, and you can read about our top providers here .
100GB Leased Line: Compare Providers, Costs & Best UK Deals
Contents
What is a 100Gb Leased Line?
Best UK Providers
Benefits of 100Gb Leased Lines
Average Costs of 100Gb Leased Lines
Factors Affecting Pricing
Who Should Consider a 100Gb Leased Line?
How to Choose the Best Provider
FAQS About 100GB Leased Lines
What is a 100Gb Leased Line? A 100Gb leased line is the fastest dedicated business connection available in the UK, delivering equal upload and download speeds of 100 Gbps. Unlike shared broadband, it’s uncontended (meaning bandwidth is reserved solely for your organisation) ensuring consistent performance, low latency, and total reliability.
🔐 Ideal for:
Data centres & cloud providers Media & broadcast companies Universities & research hubs Financial institutions with real-time trading
Best 100Gb Leased Line Providers in the UK (2025) 💡 Pricing verified October 2025; varies by location & contract term.
Benefits of 100Gb Leased Lines
100Gbps symmetrical speeds ensure seamless uploads and downloads , no matter the task at hand. Your business also gets its own private line , guaranteeing consistent performance and zero bandwidth sharing. The private nature of leased lines r educes the risk of cyber threats or data breaches. As your business grows, you can scale bandwidth without compromising performance. SLAs ensure high uptime and rapid response times for technical issues. These lines are perfect if you use cloud services or host large-scale virtual environments.
Average Costs of 100Gb Leased Lines
Location Monthly cost range (from) Typical install time
Urban (London, Manchester)
£2,000 – £5,000
60–90 days
Suburban (Reading, Leeds)
£5,000 – £8,000
90–120 days
Rural/Remote areas
£8,000 – £10,000 +
120–150 days
💡 Tip: 3-to-5 year contracts often lower monthly costs by 10-20%.
Factors Affecting Pricing of a 100GB Leased Line
Location: Urban fibre coverage = lower costs. Provider: Each ISP has different SLA and service tiers. Contract length: Longer terms = lower monthly price. Customisation: Added firewalls, VPNs, or SD-WAN increase cost. Installation: Charges rise if new fibre build is required.
Who Should Consider a 100Gb Leased Line? A 100Gb line is suited to businesses that:
Operate multiple sites or data centres Rely on real-time video streaming or AI computing Transfer massive data sets (e.g. film production, cloud hosting) Require mission-critical uptime with zero tolerance for lag
How Do I Choose the Best 100Gb Leased Line Provider? When selecting a 100Gb leased line provider, consider:
✅ Network coverage – Is fibre available in your area?
✅ Pricing & contract terms – Compare multiple quotes for the best deal.
✅ SLA & reliability – Look for 99.9%-100% uptime guarantees.
✅ Customer support – Check reviews on Trustpilot, ISPreview, and Expert Market.
📌 Tip : Use our leased line comparison service to save time and money.
Our Thoughts on Having a 100GB Leased Line
We think that A 100GB leased line is particularly well-suited for organisations handling large-scale operations (including video streaming, extensive cloud computing, and data centre connectivity – amongst much more!)
So, a 100GB leased line really could be a game-changer if you require fast, reliable, and secure connectivity, and while the cost can be daunting, we think it has the potential to be a high-capacity solution and an investment in your busine ss’s future.
Here is a Handy Youtube Video About 100GB Leased Lines
FAQS About 100GB Leased Lines What is a 100Gb Leased Line?
A dedicated internet connection delivering 100 Gbps symmetrical speeds with no bandwidth sharing making them ideal for data-heavy enterprises needing high availability.
How much does a 100Gb leased line cost in the UK?
Urban: £2,000 – £5,000 p/m
Suburban: £5,000 – £8,000 p/m
Rural: £8,000 – £10,000 + p/m
💡 Longer contracts & existing fibre reduce costs by up to 20%.
3️⃣ Which UK providers offer 100Gb leased lines?
Top providers include BT Business, Vodafone Business, CityFibre, TalkTalk Business, and Virgin Media Business.
4️⃣ Who needs a 100Gb leased line?
Perfect for data centres, financial institutions, universities, media firms and enterprises that depend on high-capacity, always-on connectivity.
5️⃣ How long does installation take?
Average lead time is 60–120 days, depending on site surveys, wayleaves, and infrastructure availability.
6️⃣ Can I upgrade from a 10Gb line to 100Gb?
Yes – most enterprise providers allow upgrades with minimal downtime once fibre capacity is available at your site.
🚀 Get the Best 100Gb Leased Line – Compare Prices Now! Request a Free Quote from top UK providers & save up to 40%
Key Takeaways
100Gb leased lines deliver unmatched speed & reliability for UK enterprises.
Expect to pay £2,000 – £10,000 + per month, depending on location and contract.
Choose providers offering SLA-backed uptime, strong security, and 24/7 support.
100GB Leased Line – 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.