100gb leased line costs in London in 2025 range from £4000–£20,000+ per month—ideal for data centres, finance and media firms demanding ultra‑low latency and 99.99% SLAs. If your London business needs high‑capacity connectivity, understanding 100gb leased line prices in London is critical. This guide breaks down upfront fees, ongoing rentals, and the key factors—location, distance, SLAs, and contract terms—that drive your total spend.
What factors influence 100Gb leased line pricing in London?
The cost of a 100Gb leased line in London depends on several factors, including:
- Location within London Central areas like Canary Wharf or The City may enjoy lower installation costs due to better infrastructure. Outer boroughs can face higher fees for additional engineering work.
- Distance from the Carrier’s Network Proximity to existing fibre routes reduces construction and delivery costs, while remote sites incur higher fees.
- Contract Length Longer-term contracts (36+ months) often come with waived installation fees and lower monthly rates.
- SLAs and Support Packages Premium uptime SLAs (e.g., 99.99%) and rapid fault resolution increase overall pricing.
- Additional Services Managed routers, security add-ons, and traffic monitoring tools may be bundled or charged separately.
Typical Pricing Breakdown
While pricing varies, here’s a general guide:
- Installation Costs: £0–£5,000+ (often free on 3–5 yr contracts)
- Monthly Rental: £4,000–£20,000+ depending on distance and SLA
Note: Premium solution adopted by data centres, ISPs, large enterprises, financial institutions, and media firms requiring massive bandwidth.
Benefits of 100Gb Leased Lines for London Businesses
- Ultra-Fast Performance Ensures reliable bandwidth for hosting, real-time data, and large-scale remote work.
- Business Continuity 99.99% uptime SLAs minimize downtime and protect mission-critical operations.
- Future-Proof Infrastructure Scales with digital transformation and increasing bandwidth demands.
- Compliance and Security Dedicated lines meet strict data protection standards for finance, healthcare, and legal sectors.
Is it Worth the Cost?
For small businesses or startups, a 100Gb leased line may exceed needs. But for large enterprises and cloud-reliant teams, it’s a cost-effective choice compared to multiple lower-bandwidth lines.
Guaranteed bandwidth, low latency (1 ms), and 99.99% uptime make it worth every penny for mission-critical operations.
Get a Custom Quote for Your London Business
Pricing is tailored to your postcode and requirements. Get a bespoke quote from Connect2.
Get an instant quote for a 100Gb leased line in London now at Connect2 and discover how high-speed connectivity can transform your business.
FAQs About 100Gb Leased Line Costs in London
In London, a 100Gb leased line typically costs between £4,000 and £20,000 per month in rental fees. Installation costs may reach £5,000 but are often discounted or waived on longer-term contracts.
2. Who needs a 100Gb leased line?
100Gb leased lines are ideal for organisations like data centres, fintech companies, streaming platforms, and enterprises needing ultra-low latency and high throughput connectivity.
3. Is 100Gb broadband the same as a 100Gb leased line?
No. 100Gb leased lines provide dedicated, uncontended bandwidth with enterprise-grade SLAs, unlike broadband which is shared and variable in performance.
4. Can I upgrade from 10Gb to 100Gb?
Yes, as long as your current fibre infrastructure supports it. Your provider can evaluate your setup and help upgrade your leased line connection.
5. Which providers offer 100Gb leased lines in London?
Leading providers include BT, Virgin Media Business, Colt, Glide, and TalkTalk Business. Pricing and availability vary based on your postcode and requirements.
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