Building a conservatory or similar extension in the garden of your ground floor flat can seem like a straightforward project. Some conservatories can be erected in just a week. But the process is more complicated than it appears: there are both technical and legal issues that must be considered before any work commences. Whether you are a Leaseholder planning a conservatory in your own flat, a Landlord or Property Manager responsible for a property, or a Solicitor appointed to prepare the Licence to Alter for such alterations, this fact sheet covers the key points to bear in mind.