Bossall Hall, York

Privately owned, Bossall Hall is a Grade II listed manor house which was enlarged in the 18th century. The Hall sits within a moated area, which defines the extent of the Scheduled Ancient Monument. The scheduling is based on an antiquarian description of a former quadrangular castle on the site.

Design Brief

IPC’s Heritage Statement for the Hall supported the removal of modern ad hoc additions to the rear of the property, and the proposal to replace them with a high-quality extension. Our research revealed the property is likely to have developed as a medieval moated manor site, with no historical records suggestive of an earlier stone-built castle. As a result, the owner commissioning a geo-physical survey of the Scheduled Monument which found no archaeological evidence of earlier stone buildings, supporting our interpretation of the site.


The research undertaken at Bossall Hall provided compelling evidence that the Listing for the site is inaccurate; the owner has commissioned IPC to seek an amendment of the official record which will allow any future development to be accurately assessed in determining ‘harm’ to the site’s significance.

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