Fingal Architectural Conservation Areas (ACA) Abbeville Demesne ACA Ardgillan Demesne ACA Balbriggan 14-28 Hampton St ACA Balbriggan Historic Town Centre ACA Baldoyle ACA Balrothery ACA Balscadden ACA Castleknock ACA Donabate Newbridge House & Demesne ACA Garristown ACA Howth Castle Demesne ACA Howth Historic Core ACA Howth Nashville Road & Park ACA Howth St Nessan St Peter Seaview Terrace ACA Lusk ACA Luttrellstown Demesne ACA Malahide Castle Demesne ACA Malahide Historic Core ACA Malahide The Bawn St Sylvesters Villas ACA Malahide The Rise ACA Milverton Demesne ACA Naul ACA Portrane Grey Square ACA Portrane St Ita's Complex ACA Oldtown ACA Rowlestown ACA Skerries ACA Sutton 20a to 26 Strand Road ACA Sutton Martello Terrace ACA