Work a gas cooker installer can help with
Cooker connection
Describe what is there now, what you want changed and any photos, so quotes cover the same scope.
Hob installation
Mention the size, access and any deadlines so tradespeople can price the job accurately.
Disconnection
Say what finish or standard you expect and whether materials are included.
Safety checks
Add anything that could affect the work, such as parking, pets or working hours.