You can get a kit. It contain jackets which you place over the pipe and use and aerosol to freeze the pipe while you do the business.
You should be able to get it in any DIY store.
You can also hire pipe freezers but this can be very costly, unless you're going to be using it lots over a short period.
If you need to find a tradesperson to get your job done, please try our local search below,
or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Please select a service and enter a location to continue...
Are you a trade or supplier? You can create your listing free at DIYnot Local