Planning permission on property zoned as "Z1"

In the case of an end of garden property in suburban setting with laneway to side and rear being zoned as Z1 (“To protect, provide and improve residential amenities”)…..
would this usually imply that the property is suitable only for uses that won’t inhibit surrounding residences, rather than being suitable as a potential residence itself?

example property: http://photos-a.propertyimages.ie/media/1/8/9/3034981/6774411f-f50c-4521-8b85-27bbf8fb756d.pdf

As in, it’s not a site that you’d ever get planning permission for something like a small bungalow or mews on maybe? Any info on this much appreciated

Thanks