No major nationwide material shortage reported
MLIT's survey conducted from August 1 to 5 and released on August 25 covered 13 items in seven major construction-material categories including ready-mixed concrete, steel and timber. Supply-demand conditions for every surveyed category were assessed as balanced, while inventories were described as normal. H-beam prices were classified as slightly rising compared with the previous month, while prices for the other materials were broadly unchanged. The monthly survey is one of the government's regular indicators of conditions affecting construction and renovation projects.
Balanced materials do not mean total project costs are falling
Balanced supply suggests that the survey did not identify a severe nationwide shortage of the monitored materials at that point in time. It does not, however, mean total building costs are fixed or declining. Labour, transportation, mechanical equipment, design work and site-specific construction conditions all contribute to project budgets. The slight increase in H-beam pricing also shows that individual structures and construction methods can face different cost pressures even when the overall material market is stable.
Renovation budgets should be separated from acquisition prices
Investors buying older apartment buildings, offices or individual units for refurbishment should evaluate the acquisition price and construction budget separately. Overseas buyers also need detailed Japanese estimates that distinguish materials, labour and equipment. Even when national material supply is balanced, contractor availability and project timing can change actual quotations. Defining the renovation scope before acquisition and setting a maximum construction budget based on realistic rent or resale assumptions remains an important part of property due diligence in 2026.