Shizuoka just published a clean, fully-quoted example of a cost ceiling that is explicitly not a 予定価格.

The city selected a design JV for the Aoba Symbol Road public-realm reintegration (score 849/1,080, contract to 2028-03-31) and named the proposal ceiling as an all-in, tax-inclusive 事業費上限 of ¥48,994,000 — its own procurement text stating outright this figure is not a 予定価格. A textbook, citable instance of a commissioning-side distinction the taxonomy has carried without many worked examples.

DAIKEN's renovation-overlay flooring just solved a condo-compatibility problem — but still can't be specified as fire-safe.

The 3mm MDF-core イエリアフロア3T line adds 12 colorways and is now installable over existing condo soundproof flooring "under conditions," previously excluded outright. Pricing: ¥15,600 per carton (24 pieces, 3.24m²) standard, ¥29,500 matte-stone, ¥291,000–¥307,100 for stair sets. The catch: no 不燃/準不燃/難燃/F☆☆☆☆ language appears in the release, and a follow-up search found no spec sheet with a certification number either — priceable today, not yet specifiable where fire rating matters.

Japan's largest listed auction house just posted a loss year, and the quarterly trend inside it is the real signal.

Shinwa Wise Holdings' FY2026 results (year ended May) show revenue down 23.7% to ¥1,577M and a full-year operating loss of ¥144M, a third of it an inventory write-down — but the loss shrank every quarter and Q4 flipped to a ¥97M operating profit. That trajectory, not the headline loss, is the useful read: a house working through inventory slack usually means softer consignment terms and more buy-side room for a while yet.

A 250-year-old Setagaya house got a fully quantified seismic retrofit — worth knowing despite an aged source.

Mitsui's retrofit of the former 用賀 village headman's residence used a five-point oil-damper system and swapped the tile roof for metal, cutting roof weight from roughly 24 to 1.5 tonnes while raising the seismic score from 0.3 to 1.0 or better — preserving the original floors, ceilings, veranda and a three-room tatami suite. A nameable, numbers-attached method for exactly the 古民家 retrofit problem hospitality conversions keep hitting, but the source dates to August 2025 — fourteen months old, well past this corpus's usual tolerance. Read as a durable method, not current news.

Japan's August glulam import data confirmed a full supplier exit, not just a slowdown.

Glulam imports fell 24% month-on-month (19% year-on-year) in August; EU glulam fell harder, down 31% MoM. The sharper fact: Russia shipped zero glulam that month — a cutoff, not a decline. A concrete argument for a domestic-substitution plan or a longer lead-time buffer on imported structural glulam.

The most recent dossier closes a backlog item on the 2026-10-01 spray-urethane fire-certification condition. It finds a previously-missed successor certificate (46 in the family, not 45) and establishes that no holder of any of the 46 publishes the actual certificate text — the "cover it, don't expose it" condition lives only in a document the public register legally withholds, unreadable from outside a reviewing body. Across 35 surveyed local building authorities, none designates the covering step as an inspected stage, and all key inspection to new-build or addition work, so an interior fit-out sits outside the regime nationally. It also corrects who can be legally ordered to fix a violation: not the architect — exposure falls to client and contractor, the designer's own risk running through professional and penal channels instead. Net effect: the condition is real but currently unverifiable from outside, governed by manufacturer compliance rather than inspection.