A leased line is a dedicated connection between your premises and the local exchange. Rather than sharing a broadband line with your neighbours – like you do with any other kind of broadband – you rent a single line all to yourself. They’re generally used by businesses with high-powered broadband needs.
With a standard broadband line, the speed and reliability of your connection can fluctuate as other users go online and take up bandwidth. It can also mean slower speeds in general, this is dependant on the contention ratio in your area. This isn’t an issue with a leased line, yet – since it’s for your business only, speeds are steady and secure.
Your download and upload speeds match each other. Which is more than helpful if you need to upload data, host a website, or give remote access to your office servers. It will also give you low latency (lag). Essential for things like making video calls and remote data access.
Leased lines provide the fastest most secure data connectivity available in the UK.

Exceptional speed and reliability

A dedicated fibre ethernet connection for quality and performance. With symmetrical upload and download your guaranteed to get the connection at the speeds you need.

On-demand computing

The best network infrastructure for Cloud and SaaS applications including Azure, Office 365 and Adobe Creative Cloud. Perfect for larger offices with many people reliant on using cloud services.

Cloud backup

A Leased line is perfect for businesses needing to transfer large amounts of data, all the time. Scheduled or real-time backups including server replication run smoothly without putting strain on your network

Unified Communications

With more businesses integrating communication services, the need for a high-quality broadband connection is ever increasing. Video conferencing, screen sharing, interactive whiteboards depend on a reliable high-performing internet connection.

What is a leased line?

Unlike traditional connections like ADSL or FTTC leased lines don’t use the public switched telephone network (PSTN). Reserved exclusively to the leaseholder, connectivity is delivered over a fibre connection providing uncontended symmetrical bandwidth. Whilst broadband speeds are effected by proximity to the local telephone exchange, leased lines take this into account to ensure the speed you are quoted, is the speed you receive.

As well as being used for ultra-fast broadband, leased lines connect two locations e.g. data centres or connecting offices. Also known as ethernet leased line, dedicated line, data circuit or private line.

A leased line should always provide a symmetrical connection, which means you can send data just as fast as you can receive it. Businesses with high adoption of cloud services benefit from a 1:1 connection ratio to data centres, cloud backup services and when using online software (SaaS). Low latency is another huge advantage of leased line. The lower the latency the smaller the time between command and reaction.

Scale as you need to. Most leased lines are available at speeds from 50Mbps to 100Mbps and up to 10Gbit/s (gigabit) in larger cities. Depending on your contract you may be able to raise or lower the data rate as your needs change.

SIP works better on leased lines. An 8Mb ADSL connection can support 12 concurrent calls, whereas 2Mb of leased line is enough to support 48 calls. This is due to the uncontended, symmetric bandwidth of leased lines.


Why choose Bespoke Connected?

Installation by BT Openreach

24/7 monitoring and support, 99.9% uptime

SLA (Service Level Agreement), maximum 6 hours response

Fixed costs over the term of the contract

Premium security software & integrated firewalls


If you would like to talk to us about a new phone system, or moving to hosted VoIP, our team of experts are available to discuss the best solution for your needs and budget.

Frequently asked questions

It can take up to 3 months to install a new leased line. The installation often requires installing a new physical connection and digging up roads.

FTTP relies on the public switched telephone network (PSTN) with shared connections up to 50:1 ratio with other internet users. Therefore, speed is compromised at peak times. FTTP is also asymmetric with larger download speeds compared to upload.

A Lease line is dedicated connection, which means it is not shared with any other users. A Leased line provides symmetric connections which means far greater upload speed.

The installation of a leased line is a big initial investment. The service cost depends on the level of service you require and distance from the BT Openreach infrastructure.