The following text is from the original listed building designation:
LAMBERHURST SCHOOL HILL TQ 6636-6736 (west side) 8/212 Lamberhurst Forge. GV II
House and forge. Early C19. Hammer dressed sandstone with rendered red brick stacks and extended with red brick. Slate roof. Two storeys and attic with stacks projecting at end left and at end right and 2 gabled dormers. Two glazing bar sashes on first floor and canted bay to right on ground floor with central boarded door and cart passage entry to left, both with segmental heads. Single storey forge wing to rear with casement window and small stack.
Listing NGR: TQ6768436490

English Heritage, List of Buildings of Special Architectural or Historic Interest (Map). SKE16160.