The following text is from the original listed building designation:
1. 5280 SUNDRIDGE NORMAN STREET
Great Norman Street Farmhouse TQ 45 SE 45/1329
II
2. C15 hall house, of timber framing, with alterations. 2 storeys and attic, 3 windows. High pitched, half hipped tiled roof with tall, off-centre ridge stack. 3 hipped gabled dormers. Left bay of galleted rubble with red brick dressings. Right part tile hung on 1st floor. Visible timber framing with brick filling on ground floor. Rubble plinth. Modern 3 and 4-light square paned casements. Modern plank door. Long rear wing has roof sweeping low at side. Beyond this C19 extensions ending in oast house. All tile hung on 1st floor. Brick below on rubble plinth. At back one pair of old iron casements and plank door in old frame. Inside much exposed timber with very heavy diagonal braces, and remains of screens passage.
Listing NGR: TQ4867052680 (1)

Description from record TQ 45 SE 28 :
Listed building : no additional information available

Historic England archive material: BF040034 GREAT NORMAN STREET FARMHOUSE, SUNDRIDGE WITH IDE HILL File of material relating to a site or building. This material has not yet been fully catalogued. Copyright, date, and quantity information for this record may be incomplete or inaccurate.

<1> English Heritage, List of Buildings of Special Architectural or Historic Interest (Map). SKE16160.

<2> Pearson, S., Barnwell, P. S. & Adams, A. T., 1994, A Gazetteer of Medieval Houses in Kent (Monograph). SKE8010.