the adding of solar panels to the external elevations and roofs of a dwelling will change the appearance of both the property and local street view. this in some cases will require planning permission from the local authority. a listed building or conservation area, planning permission is mandatory. a domestic dwelling outside of the constraints of listed buildings and conservation areas where solar panels are being installed, then the home owner can in most cases, as long as certain height limitations are adhered too, can proceed under their permitted development rights.