Not necessarily - if it ends up at <50mm from the surface on the other side, and the wall is >100mm thick OR if the position of the accessory cannot be determined from the other side, then the safe zone does not extend to the other side.
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