If any land (other than land forming part of any common) adjoining any street is allowed to remain unfenced or if the fences of any such land are allowed to be or remain out of repair, and such land . . . F1 is used for any immoral or indecent purposes, or for any purpose causing inconvenience or annoyance to the public, . . . F2 in that case, at any time after the expiration of fourteen days from the service upon the owner or occupier of notice in writing by the local authority requiring the land to be fenced or any fence of the land to be repaired, the local authority may cause the land to be fenced or may cause the fences to be repaired in such manner as they think fit, and the reasonable expenses thereby incurred shall be recoverable from such owner or occupier summarily as a civil debt.