Studding can normally be located by knocking along the wall and listening to difference in sounds (more of a hollow knock where the gaps are)
As for electronic locaters - I wouldn't trust those as they are next to useless.
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