ive just accidentally deleted a project with several sketches that I wanted to keep.... Is there any way of getting them back?
I responded to your email about twenty minutes ago; I'm pasting here as well. I hope I can catch you quickly enough with this. There are two ways that it can be recovered, but both require some special circumstances.
1. If you were offline when you deleted the project, then the deletion hasn't been synced back to the cloud yet. In this case, stay offline on your device, and sign in to http://assets.adobe.com (My Assets - Mobile Creations - Sketch) and make an edit to the project (eg. rename it to something else). Then, when your iPad goes back online, the new edit will cancel out the deletion and your project should sync back down to your device.
2. If the deletion has already made it back to the cloud and you can no longer find your project on assets.adobe.com, then if you have another device (phone or tablet) that has Sketch installed, you can try taking that device offline, launch Sketch, and make an edit to the project locally (eg. rename it to something else). Then, when that device goes back online, the new edit will cancel out the deletion and your project should get re-uploaded back up to the cloud. From there, you can download back anywhere you have Sketch installed.
Hopefully one of these will work for you. I've recovered work before with both methods.