What is an alteration or extension?
What is an alteration or extension?
An alteration is building work carried out to your home. Examples of alterations include:
- removing an existing wall or partition
- replacing windows or doors or adding new ones
- laying a patio or substantially altering ground levels around your home
- work to drainage, plumbing and electrical services
- installation of additional insulation to cavity walls.
An extension is building work, which provides additional space. Examples of extensions include:
- additional rooms, including rooms in the roof
- a conservatory
- a porch
- a garage.
