AI Could Take 20% Off the Cost of a Building According to MIT. Here Is the Caveat.

<p>This week’s briefing covers three things that landed in the same week and all point at the same uncomfortable gap between what AI promises and what it actually delivers.</p><p>Suffolk, one of the biggest contractors in the US, published a white paper with MIT’s Center for Real Estate and MIT Media Lab this week. They took a real building, a 118,000 square foot multi-family block in San Francisco that finished in 2024 at 179 million dollars, and ran six AI levers across it simultaneously. Design automation, offsite manufacturing, permitting, scheduling, labour and subcontracting, and supply chain. The model took 28 million dollars out of 128 and seven months out of 30 on the construction phase alone. The unlevered return to the developer goes up by 5 to 6 percentage points, which the paper says can be the difference between housing getting built and housing not getting built at all.</p><p>Then the authors themselves. The per lever gains come from early stage pilots and should be treated as directional rather than construction validated benchmarks. The six levers only compound if data flows between them, and the paper says that needs a shared data infrastructure layer the levers themselves do not provide. The practitioners in the room ranked robots last despite academic studies being the most optimistic about them, because the studies measure performance in controlled conditions and practitioners are pricing in what it costs to create those conditions on a live site. Suffolk calls its own model a first pass. The work to prove it runs in 2027.</p><p>Then the market as it actually stands. Gardner and Theobald describe it as selective not cheaper. 69% of contractors say they are more selective than a year ago. MEP is the pinch point with 68% reporting tighter availability. In the US, contractors have absorbed roughly half the material cost rises from this year and JLL expects the rest to land in bids before year end. And on labour, UK right to work rules extended to the self employed and subcontractors from October 1st with fines of 60,000 pounds per worker. In the US, immigration enforcement is discouraging legal workers from reporting to sites in a workforce already 300,000 to 400,000 short.</p><p>Thank you to our sponsors, Buildots: https://buildots.com/</p><p>Drop your answers to this week’s questions in the comments of this week’s LinkedIn post.</p>