Value Stream — Mortgage Approval
Mortgage origination from application to funding: 4.7 hours of processing spread across a ten-day lead time, with a 35% rolled throughput yield quantifying the rework loop caused by incomplete documents.
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title "Mortgage origination — application to funding"
supplier "Broker + branch applications"
customer "Funded borrowers" demand: 240/week
available 37.5h/week
control "Loan origination system"
process "Application intake" { ct: 35m; uptime: 96%; operators: 6; fpy: 74% }
wait 1d # waiting on the applicant's documents
process "Document verification" { ct: 55m; uptime: 92%; operators: 8; fpy: 68% }
inventory 180 files
process "Credit + affordability" { ct: 25m; uptime: 98%; operators: 5; fpy: 91% }
wait 2d
process "Property valuation" { ct: 90m; uptime: 85%; operators: 3; fpy: 95% }
wait 4d # surveyor scheduling
process "Underwriting decision" { ct: 45m; uptime: 94%; operators: 4; fpy: 82% }
wait 1d12h
process "Offer + funding" { ct: 30m; uptime: 97%; operators: 3; fpy: 99% }
info "Application feed" from supplier to control electronic
info "Valuation instruction" from control to "Property valuation" electronic
info "Offer pack" from "Offer + funding" to customer manual