On the subject of pull cords I use washing line - cheap strong and smooth coated. If I were pulling a cable like you would in the future than as well as the cable I need I would also pull another replacement washing line for future use.
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