Mona Grey Room at 20 Cavendish Square

Mona Grey Room is 5.6 x 4.7 m (18 x 15 ft), 26 m² (283 sq ft), with a 4 m (13 ft) ceiling.

Plan view

LED wall that fits

Under a 4 m ceiling with 1.5 m trim and 0.3 m clearance you get 4 rows of 500 mm tile flown. Along the 5.6 m wall a Absen A2 Pro wall runs 8 x 4 (1344 x 672 px, 320 kg, 5.9 kW).

Wall sizing assumes 1.5 m trim to the bottom edge, 0.3 m clearance under the ceiling, and a wall no wider than 80% of the longest wall. Weight and power are tile totals from the panel spec sheet; add processing, rigging, and cable.

Seating estimate

After a 12 x 7 m stage, Mona Grey Room holds about 0 theater seats, 0 banquet seats at rounds of 10, or 0 classroom seats. Back row in theater is roughly -1.4 m from the downstage edge; the previz checks whether the bottom of the wall clears the heads in front.

Other rooms at 20 Cavendish Square

• Cowdray Hall & Council Room33 x 9 m (108 x 30 ft) · 5 m ceiling
• Annie/Agnes Room16.5 x 7.2 m (54 x 24 ft) · 3 m ceiling
• Council Room13 x 9 m (43 x 30 ft) · 5 m ceiling
• Peggy Nuttall Room16 x 5.2 m (52 x 17 ft) · 3.5 m ceiling
• Peggy Nuttall Room16 x 5.2 m (52 x 17 ft) · 3.5 m ceiling
• Rosalind Paget Room10.7 x 6.8 m (35 x 22 ft) · 2.4 m ceiling
• Edith Cavell Room7 x 6 m (23 x 20 ft) · 2.4 m ceiling
• Sarah Swift Room7 x 5.5 m (23 x 18 ft) · 4 m ceiling
• Jean McFarlane Room6.5 x 5.5 m (21 x 18 ft) · 4 m ceiling
• Marjorie Simpson Room6.4 x 5 m (21 x 16 ft) · 4 m ceiling
• Florence Nightingale Room4.6 x 4.5 m (15 x 15 ft) · 2.4 m ceiling
• Mary Seacole Room5 x 3 m (16 x 10 ft) · 2.4 m ceiling

Published dimensions (source), fetched 2026-09-05. All rooms at 20 Cavendish Square · Venues in London