Open Property Data Association
Smart Property Data Trust Framework
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    Adoption — overview

    The market signal. Below: where PDTF is in production today, what counts as "adoption" (it's a spectrum, from a single overlay used in a UI to full certified provider status), and the public evidence trail.

    Headline numbers (May 2026)
    • 13 OPDA founding member firms across the six bounded contexts
    • 200+ councils migrated to HMLR's national Local Land Charges register
    • 1 SDCP Innovators prize won (Moverly + OPDA, Smart Data Challenge 2025)
    • 1 live Sandbox programme — CLC + OPDA + Raidiam, operational today
    • 34 overlay specs published as @pdtf/schemas v3.4.0 on npm

    The adoption spectrum

    "Using PDTF" can mean very different things at different levels of integration. The DPMSG draft framework defines five levels:

    flowchart LR L1["`1 Schema-aware UI`"]:::process L2["`2 Producing PDTF JSON`"]:::process L3["`3 Consuming PDTF JSON`"]:::process L4["`4 Verified-claims producer`"]:::process L5["`5 Accredited & certified`"]:::process L1 --> L2 --> L3 --> L4 --> L5
    Five levels of PDTF integration. Most current adoption is at levels 1–3; the Sandbox is testing 4–5.

    Public evidence map

    TypeWhereWhat it shows
    Member-published implementations Member firm websites + LinkedIn Live UI/UX using PDTF concepts (Connells Digital Sale Ready; Moverly property packs — built while Moverly was a founding member, since departed)
    Sandbox participation ParticipantKickOff_19112025.pdf Named Sandbox participants and their roles
    SDC prize DBT Smart Data Challenge 2025 announcement Government recognition of the Moverly + OPDA Property Pack entry
    HMLR LLC programme HMLR quarterly progress publications 200+ councils on the digital register; quarterly "gold status" ratings
    Schema downloads npm @pdtf/schemas stats Download trend over time as a leading indicator
    Open source forks/usage github.com/Property-Data-Trust-Framework/schemas dependents Repos that depend on @pdtf/schemas

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