The Deal Society has a booklet which will be of use to owners of properties in the Deal and Walmer conservation areas. It also provides useful information for anyone who is thinking of objecting to a planning application.
The booklet may be downloaded here: Conservation Area Advice (pdf 6.1Mb)
Here are some links which might be of use to homeowners:
Deal Middle Street – Article 4(2) Direction: https://www.dover.gov.uk/Planning/Conservation/Conservation-Areas/Deal-Middle-Street.aspx
Historic England – Looking After Your Home: https://historicengland.org.uk/advice/your-home/looking-after-your-home/
The Georgian Group: https://georgiangroup.org.uk/advice-leaflets/
The Victorian Society: https://www.victoriansociety.org.uk/