Updated June 2026 — prices reflect 2026 market conditions
Scan to BIM Checklist: Preparing Your Brief and Site
A successful scan-to-BIM project starts with a clear brief and a prepared site. This checklist covers what to confirm before booking the surveyor.
Brief Preparation Checklist
| Task | Detail | | --- | --- | | Define LOD level | LOD 200, 300, 350, or 400 | | Specify deliverables | DWG, RVT, point cloud formats | | Confirm Revit version | 2021 or earlier | | Define coordinate system | OS National Grid preferred | | Identify inaccessible areas | Cupboard, locked rooms, roof | | Provide existing drawings | Highlight missing areas | | Confirm access arrangements | Keys, fobs, security | | Notify occupants | Staff, tenants, residents |
LOD Level Reference
| LOD | Use Case | Typical Detail | | --- | --- | --- | | LOD 200 | Initial concept | Basic geometry, approximate sizes | | LOD 300 | Design development | Accurate dimensions, door/window positions | | LOD 350 | Planning submission | Full as-built, included in planning docs | | LOD 400 | Construction/FM | Coordinated model, construction ready |
Site Preparation Checklist
| Task | Before Scan | On Scan Day | | --- | --- | --- | | Clear floors | Remove furniture from walls | Check again | | Loft access | Arrange ladder access | Confirm hatches open | | Basement | Note any access restrictions | Confirm scope | | Cupboard contents | Empty if under 1m clearance | Check | | External areas | Clear overgrown vegetation | Confirm boundary access | | Parking | Arrange for surveyor | Confirm location |
Common Scan-to-BIM Mistakes
| Mistake | Impact | Prevention | | --- | --- | --- | | No access to all floors | Missing areas in model | Confirm all keys | | Wrong LOD specified | Deliverables don't fit workflow | Clarify with BIM team | | No existing drawings provided | Missing elements | Share what you have | | Locked rooms not flagged | Data gaps | Walk the site first | | Wrong Revit version | Import errors | Confirm before starting |
What to Include in Your Scan-to-BIM Specification
| Element | Recommendation | | --- | --- | | LOD level | LOD 200/300/350/400 | | Deliverables | DWG + RVT + point cloud | | Coordinate system | OS National Grid, ODN | | BIM purpose | New build, refurbishment, FM | | Excluded areas | List any no-access zones |
2025 Scan-to-BIM Costs (ex VAT)
| Property | LOD 200 | LOD 300 | LOD 350–400 | | --- | --- | --- | --- | | 2–3 bed | £800–£1,200 | £1,200–£1,800 | £1,800–£2,500 | | 4+ bed | £1,200–£1,800 | £1,800–£2,500 | £2,500–£3,500 | | Commercial | £1,500–£2,500 | £2,500–£3,500 | £3,500–£5,000+ |