Cuckoo has a new home. Your broadband hasn't moved. — find out more
Last updated: 18 March 2026
When you sign up for broadband with us, we’ll provide you with a minimum guaranteed speed. This is the lowest download speed you can expect your broadband service to achieve under normal conditions.
Why do we provide a minimum guaranteed speed?
Broadband speeds can vary depending on several factors, including:
Your minimum guaranteed speed ensures you have a clear expectation of the service performance you should receive.
What happens if my speed drops below the guaranteed level?
If your broadband speed falls below your minimum guaranteed speed:
This may include:
How can I check my speed?
To get an accurate reading of your broadband speed:
Open 7 days a week — 9am to 7.30pm weekdays, 9am to 4pm at weekends. Heads up: on Sundays we're tech support only, by phone, not chat.
Live chat
Fastest reply