If in the case of a house in respect of which a closing order has been made or a building in respect of which a demolition order has been made the local authority are satisfied, on an application made by any owner of the house or building, or any person appearing to the authority to have reasonable cause for making the application, that the house has, or, as the case may be, the house or houses comprised in the building have, been brought up to the tolerable standard, they shall make an order revoking the closing order or, as the case may be, the demolition order.