Construction Brief
ProjectsDP2025-02847
General activity · Calgary

Demolition at 412 THORNHILL PL NW

412 THORNHILL PL NW · THORNCLIFFE

Recommended next action · Interpretation

Approach the applicant or project team about specification and preconstruction needs.

Development approval can precede detailed permits and trade procurement.

Verify the latest status with the official source or project team before acting.

Construction Brief interpretation

Why this matters

OpportunityGeneral activity
Estimated project typeResidential
Estimated current stageDevelopment approved
Likely commercial windowPreconstructionNow to approximately 3 months
Commercial-window confidence Medium confidence
Record-link confidenceLowAddress-only association; verify the related records

Development approval can move a project toward detailed design and building permits.

Evidence behind the ranking

  • Project is still early enough for preconstruction follow-up
  • New or changed public record this week
  • 3 related public records linked to this project
  • Applicant identified in a public record

Relevant trades

Concrete

The public description indicates new-build, addition, or structural scope.

Medium confidence · Now to approximately 3 months
Plumbing

New-build or multi-unit scope commonly includes plumbing work.

Low confidence · Now to approximately 3 months
Append-only history

Project timeline

  1. Verified fact

    Development record updated

    Development record updated: RELAXATION: ACCESSORY RESIDENTIAL BUILDING (EXISTING GARAGE) - BUILDING SETBACK FROM SIDE PROPERTY LINE

    First detected Jul 29, 2026 Official record ↗
  2. Verified fact

    development_permit · cancelled_or_refused

    development_permit · cancelled_or_refused: RELAXATION: ACCESSORY RESIDENTIAL BUILDING (EXISTING GARAGE) - BUILDING SETBACK FROM SIDE PROPERTY LINE

    First detected Jul 29, 2026 Official record ↗
  3. Verified fact

    Building permit record updated

    Building permit record updated: Demolition at 412 THORNHILL PL NW

    First detected Jul 29, 2026 Official record ↗
  4. Verified fact

    Permit completed

    Permit completed: Demolition at 412 THORNHILL PL NW

    First detected Jul 29, 2026 Official record ↗
  5. Verified fact

    Development record updated

    Development record updated: NEW: SINGLE DETACHED DWELLING (NORTH PARCEL), SECONDARY SUITE (BASEMENT), ACCESSORY RESIDENTIAL BUILDING (GARAGE)

    First detected Jul 29, 2026 Official record ↗
  6. Verified fact

    Development permit released

    Development permit released: NEW: SINGLE DETACHED DWELLING (NORTH PARCEL), SECONDARY SUITE (BASEMENT), ACCESSORY RESIDENTIAL BUILDING (GARAGE)

    First detected Jul 29, 2026 Official record ↗
  7. Verified fact

    Building permit issued

    Building permit issued: Demolition at 412 THORNHILL PL NW

    First detected Jul 29, 2026 Official record ↗
  8. Verified fact

    Building permit application

    Building permit application: Demolition at 412 THORNHILL PL NW

    First detected Jul 29, 2026 Official record ↗
Official evidence

Related public records

SourceRecordRecord dateRetrievedEvidence
City of CalgaryCalgary Development PermitsDevelopment record updatedDP2024-08458Dec 19, 2025Jul 29, 2026Official source ↗
City of CalgaryCalgary Building PermitsBuilding permit record updatedBP2025-15570Sep 17, 2025Jul 29, 2026Official source ↗
City of CalgaryCalgary Development PermitsDevelopment record updatedDP2025-02847Sep 1, 2025Jul 29, 2026Official source ↗
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