The Leas Conservation Area Property Directory and Designations
The Leas Conservation Area consists of:
- Cobham Road (Nos. 2, 3 and 5)
 - Clifton Drive, Westcliff (Nos. 1-9)
 - Holland Road, Westcliff (Crowstone Court, Hovecove House)
 - Manor Road, Westcliff (No. 2)
 - Palmeira Avenue, Westcliff (No. 1a, 1-19 consec. Palmeria Mansions including retail units)
 - Palmerston Road, Westcliff (all properties, excluding: No. 29 Jersey House, Princes Lodge, Palmerston Court and The Colonnade)
 - Pembury Road, Westcliff (Nos. 2 - 22 even, 3 - 5 odd, and 15 - 39 odd)
 - Seaforth Road, Westcliff (Barton Towers, Argyll House)
 - Station Road (Nos. 82 - 86 and 100 - 106)
 - The Leas, Westcliff (2 - 21 consecutively)
 
A number of these buildings have been designated as Locally Listed Buildings:
- Argyll House
 - Palmeria Mansions
 - 21 The Leas
 - Ozone Cottage, 20 Pembury Road
 - 1-19 (odd) Palmeira Avenue
 - 2-6 (even) Palmeira Avenue