Conference/Banquet

Room & Equipment Rates / Capacity

Banquet Room Rates

JPY (tax inclusive)

Upper row: Regular price
Lower row: Special price
For conferences For banquets For exhibitions
2 hours half day
(6 hours)
9:00-15:00 or
15:00-21:00 		full day
9:00-21:00		 2 hours 1 additio-
nal hour		 Regular Off-peak
Jan.,
Feb.,
Aug.
Iwasaki Koyata
Memorial Hall
(195m²)		 181,500
145,200		 302,500
242,000		 605,000
484,000		 77,000
57,750		 38,500
28,875		 726,000
580,800		 544,500
435,600
Kabayama-Matsumoto Room
(All Rooms)
(247m²)		 181,500
145,200		 363,000
290,400		 726,000
580,800		 66,000
49,500		 33,000
24,750		 871,200
696,960		 653,400
522,720
Kabayama-Matsumoto Room
+ Room 2 + Room 3
(198m²)		 145,200
116,160		 290,400
232,320		 580,800
464,640		 55,000
41,250		 27,500
20,625		 726,000
580,800		 544,500
435,600
Kabayama-Matsumoto Room
+ Room 2,
Room 2 + 3 + 4
(147m²)		 108,900
87,120		 217,800
174,240		 435,600
348,480		 44,000
33,000		 22,000
16,500		 544,500
435,600		 411,400
329,120
Kabayama-Matsumoto Room,
Room 2 + 3,
Room 3 + 4
(98m²)		 72,600
58,080		 145,200
116,160		 290,400
232,320		 27,500
20,625		 13,750
10,312		 363,000
290,400		 278,300
222,640
Room 2 / 3 / 4
(51m²)		 36,300
29,040		 72,600
58,080		 145,200
116,160		 16,500
12,375		 8,250
6,187		 181,500
145,200		 145,200
116,160
Waiting Room
(11.87m²)		 5,000
4,000		 15,000
12,000		 30,000
24,000		 5,000
4,000		 2,500
2,000		 30,000
24,000		 30,000
24,000
The prices include consumption tax and are subject to a 10% service charge.
Room rates for banquets apply for food orders above a certain limit. Please contact Banquet Reservations for details.
*Special price (lower row) is for members and those whose use of facilities meets the criteria of the public interest purposes of the I-House. Please contact the I-House for further information.

(as of June 1, 2021)

Banquet Room Capacity

(capacity: persons)

Banquet Room Size
(sq.m)		 Hollow-
square		 Class-
room		 Theater Round-
table		 Oval-
table		 Cocktail
Buffet		 Sit-down
Buffet
Iwasaki Koyata
Memorial Hall		 195m² 60 120 180 100 – 150 80
Kabayama-Matsumoto Room
+ Room 2 + 3 + 4		 247m² 90 120 180 110 – 150 80
Kabayama-Matsumoto Room
+ Room 2 + 3		 198m² 65 100 160 90 – 120 70
Kabayama-Matsumoto Room
+ Room 2 /
Room 2 + 3 + 4		 147m² 45 75 120 70 30 90 60
Kabayama-Matsumoto Room /
Room 2 + 3 /
Room 3 + 4		 98m² 35 50 80 50 22 60 40
Room 2 / 3 / 4
 		 51m² 24 24 40 20 18 30 –

Lecture Hall and Seminar Room Rates

JPY (tax inclusive)

Upper row: Regular price
Lower row: Special price
Location Style Capacity Size
(sq.m)		 9am-12
13-17pm
18-21pm		 full day Hollow-
square		 Classroom Theatre
Seminar B Annex 1F Hollow-
square		 for 8 17m² 8,470
6,820		 22,550
18,040		 8 — —
Seminar D Annex 1F Hollow-
square		 for 30 53m² 25,630
20,570		 67,760
54,230		 30 24 —
Seminar E Annex 1F Hollow-
square		 for 16 26m² 12,760
10,230		 33,880
27,170		 12～16 — —
Lecture Hall Annex 2F 145m² 72,050
57,640		 194,260
155,430		 48 80 120
401 West Wing 4F Hollow-
square		 for 16 28.4m² 13,530
10,890		 35,970
28,820		 16 — —
402 West Wing 4F Oval-
table		 for 12 19.9m² 9,460
7,590		 25,080
20,020		 12 (Oval-table style only)
403 West Wing 4F Hollow-
square		 for 16 28.6m² 13,530
10,890		 35,970
28,820		 16 — —
404 West Wing 4F Hollow-
square		 for 24 44.0m² 21,780
17,380		 56,870
45,540		 24 30 —
403･404 West Wing 4F Hollow-
square		 for 34 72.6m² 35,310
28,270		 92,840
74,250		 34 42 —
The prices include consumption tax and are subject to a 10% service charge.
*Special price (lower row) is for members and those whose use of facilities meets the criteria of the public interest purposes of the I-House. Please contact the I-House for further information.
Rental projectors, screens and whiteboards, as well as drinks are available.
Audio equipment and alcoholic beverages are not available at the Lecture Hall and Seminar Rooms.
Request for a change in room layout is subject to an additional 20% charge.

(as of Apr. 1, 2021)

Equipment

JPY (tax inclusive)

Wired Internet access (Wi-fi available for free in all venues) 2,200 yen
Audio cable 1,100 yen
One microphone 2,200 yen
Additional microphones (2-8) 1,100 yen each
Stage for East Wing venues
(1,200 x 2,400 x 200H or 400H)		 3,300 yen
Stage for Annex Lecture Hall
(1,800 × 2,400 × 200H)		 5,500 yen
Whiteboard 1,100 yen
Grand piano “Yamaha” (tuning fee not included) 33,000 yen
Grand piano “Steinway & Sons” (tuning fee included) 66,000 yen
Electone (EL-100) 11,000 yen
Music stand 550 yen
LCD monitor (55-inch, with movable monitor stand) 22,000 yen
Permanent projector (12,000 lumens) and screen (4,428×2,491mm)
for Iwasaki Koyata Memorial Hall
(Lower row: Special price)		 55,000 yen
38,500 yen
Permanent projector (8,000 lumens) and screen (2,657×1,494mm)
for Kabayama-Matsumoto Room and Room 4
(Lower row: Special price)		 20,900 yen
15,400 yen
Permanent projection screen for Kabayama-Matsumoto Room and Room 4 (2,657×1,494mm) 4,400 yen
Permanent projection screen for Lecture Hall (2,000×2,000mm) 2,200 yen
Free-standing projection screen (1,500×1,500mm~) 1,100 yen &up
Mobile projector 5,500 yen
Simultaneous interpretation booth for Iwasaki Koyata Memorial Hall and Lecture Hall 33,000 yen
Simultaneous interpretation receiver (one set) 1,100 yen
We can also provide simultaneous interpretation, flowers, hanging signs, photographs, etc. Please contact the Banquet Desk for further information.
*Some of the equipment cannot be used in certain venues.
*There is no audio equipment available in the seminar rooms.

(as of Apr. 1, 2021)

Reservations and Inquiries

Banquet Reservations
International House of Japan
TEL: 03-3470-4616 (10:00-18:00, Closed on Sundays & Holidays)
FAX: 03-3470-3210