The ceremonial county
Area in England with an appointed Lord Lieutenant to represent the monarch's interest. of Hertfordshire consists of the district authorities of Broxbourne, Dacorum, East Hertfordshire, Hertsmere, North Hertfordshire, Stevenage, St Albans, Three Rivers, Watford, and Welwyn Hatfield.[1]
The Grade I listed buildings
Structure of particular architectural and/or historic interest deserving of special protection. in the county, structures considered to be of particular architectural interest, are shown in separate lists for each authority.[2]
- Broxbourne
- Dacorum
- East Hertfordshire
- Hertsmere
- North Hertfordshire
- Stevenage
- St Albans
- Three Rivers
- Watford
- Welwyn Hatfield



