This is the mansion at Bletchley Park. Also known as Bletchley Park Mansion.
It is Grade II listed.
Large house, now offices. 1860 altered and extended 1883-6 and c1906
for HS Leon. Red brick in Flemish bond with ashlar dressings; principal
gables half-timbered with pebble-dashed infill, some others tile-hung;
Welsh slate roof with red tile ridge; brick stacks, with clustered
flues, ribs and bands. Transomed wooden windows, principal windows with
leaded upper lights. Decorative wooden barge boards and finials to
gables. Large rambling house, of 2 storeys with partial attic.
Entrance elevation: 6 bays. Lavish ashlar detailing including
architraves. Entrance in bay 2 has internal, vaulted, porch protecting
panelled half-glazed double-door with side lights, traceried upper part
and fanlight the latter leaded and with coloured glass. Flanking porch
are hexagonal brick columns surmounted by panelled stone tops which
flank base of 4-light oriel window with decorative base. Projecting
from porch, and attached to it are 2 seated griffins on bracketed
plinths. Shaped pediment with elaborate finial. Gabled bay 1 has
projecting 2-storey canted bay with pretted eaves band and cornice below
swept, domed, metal roof. On its left is single-storey wooden
conservatory with traceried bays, formerly an open-sided loggia.
Paired, gabled, bays 2 and 3 have ashlar framed triple window to ground
floor with gableted butresses,and two canted bay windows over. Across
bay 4 is 3 bay embattled ashlar loggia fronting elaborate - panelled
double-door with canted bay window to right; inserted 1st floor window.
Bay 6 has polygonal 2-storey bay window with shaped pediments screening
finialed polygonal roof. Right return: 3 left-hand bays in same style
as front, the rest plainer; but attached to right end is dovecote-like
structure: octagonal, of 2 stages, having plinth; inserted ground-floor
windows; ashlar upper stage with 2-light windows below string; and plain
tile roof with gablets and finial. Rear: plainer having tradesmen's
entrance; complex roofline, one roof having louvre with finialed lead
cupola; and embattled tower with blue-brick decorative work and date
(former steep hipped roof removed). Left return: in style of front,
with ashlar canted and curved bay windows; paired, gabled, bays 2 and 3
decorative half-timbered 1st floor; shaped pediment to bay 4; and former
loggia (much altered) across right-hand bays. Interior: high quality,
elaborate, interiors survive, with panellin
