Planning permission to extend a bungalow

I have just acquired a 2 /3 bedroom

 bungalow in puerto del Carmen ,And would like to put a small extension to create another bedroom / bathroom etc. and complete refurbish the property to put on the sales market .

Can anyone advise me what the planning permission laws in Lanzarote are and how hard to obtain permission to include:

1. ,The costs,

2. Time scale

3. Reccomend any Architect,