I heard somewhere that your situation you may qualify for universal credit.
I also think at the moment, driveway cleaning may well come under the umbrella of maintenance, just like window cleaning and gardening. At the moment the Gov. web guidance states that a long as you have no symptoms, you use social distancing, people at the property are not isolating or on a vulnerable list, you can carry on
This is how i read it but check it out to confirm the fact