Whether you need permission for a driveway or dropped kerb depends on its size, surface type, location, and whether it crosses a public pavement.
Paving more than 5 m² of a front garden with a non-permeable surface that drains to the road needs planning permission.
Altering a public highway to create a vehicle crossing needs council highways consent, which is separate from planning permission.
Listed building consent is a separate legal requirement for any change affecting a listed building, including its grounds.
Councils in England have a statutory period, usually around 8 weeks, to decide a planning application.
Councils have statutory enforcement powers over unauthorised development and unauthorised changes to the public highway.