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.
Food cannot be served at the Lecture Hall and Seminar Rooms.

(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 38,500 yen
Permanent projector (3,500 lumens) and screen (2,657×1,494mm) for Kabayama-Matsumoto Room and Room 4 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