18th April 2008
Any buildings or structures constructed before 1700 is eligible to be added to the Grade Listings.
Buildings that date between the years 1700 and 1840 are usually granted a Grade I or II* in the listings.
Furthermore buildings that have been created by principal architects are of great importance and are added to the listings.
Structures that are of evident quality and date back to between the years 1840 to 1914 are included in the Grades List.
Important buildings of a high quality from the years 1914 to 1939 are also of special historical interest to the English Heritage.
The grades are presented to all buildings that have been deemed to be of special architectural, historical or national importance.
Strict guidelines have been put in place to maintain the graded buildings authenticity and period of styling.
Changes proposed to any Grade I or II* buildings has to be verified by the English Heritage.
The local authorities and not the English Heritage are the ones to give consent for any alterations to be carried on any Grade II buildings or structures.
A Grade Listed building cannot be demolished or substantially changed internally or externally without permission being granted by the English Heritage.
However the English Heritage very rarely grant permission for the right to demolish or partially demolish of a Grade I listed building.
The English Heritage and other interested bodies have to be consulted about any plans to demolish or partially demolish a Grade Listed building.
The very best examples of Grade I and II* buildings are those that are seen to hold relative importance to Great Britain.
Greater Manchester houses forty-seven Grade I listed buildings that are seen as being of great importance to Great Britain’s history.
SOURCE:
Wikipedia