What Is 3D Laser Scanning?
3D laser scanning fires laser beams at a structure to capture millions of precise 3D coordinate measurements per second, producing a dense point cloud — a digital replica accurate to ±2mm.
A terrestrial laser scanner sweeps 360°, recording X, Y, Z coordinates for every visible surface. The raw point cloud is then processed into deliverables for architects, engineers, QSs, and developers.
Westminster's dense mix of Grade I/II listed buildings, Georgian terraces, and modern commercial stock makes it a particularly active market for this technology.
Costs (UK/London 2025)
| Project Type | Indicative Cost (ex VAT) | | --- | --- | | Small single room / flat | £500–£1,500 | | Medium commercial floor / residential building | £1,500–£5,000 | | Large multi-storey / complex heritage | £5,000–£20,000+ | | On-site scanning (day rate) | From £800/day |
Most providers quote per project after a site assessment. Hardware investment (£35K–£100K+ for scanners) explains service pricing. Some London providers offer first-order discounts.
Deliverables
| Deliverable | Format | Use Case | | --- | --- | --- | | Point cloud data | .E57, .RCP, .LAS, .PTS, .ZFS | BIM integration, clash detection | | Colourised point cloud | Visualisation files | Client presentations | | TrueView panoramic | Interactive files | Remote measurement | | 2D CAD drawings | .dwg, .pdf | Floor plans, elevations, sections | | BIM/Revit model | .rvt, .ifc | Design coordination (LOD 200–400+) | | 3D mesh | .OBJ, .STL, .FBX | VR/AR, visualisation | | Clash detection reports | PDF | As-built vs. design verification | | Deviation reports | PDF | Structural health monitoring |
Turnaround
| Project Scale | Duration | | --- | --- | | Small projects | 2–5 working days | | Medium buildings | 1–3 weeks | | Large or complex sites | Up to 2 months for full BIM |
On-site scanning is typically scheduled 1–2 days after contract sign-off.
Westminster Coverage
We provide 3D laser scanning services throughout the City of Westminster — including Mayfair, Marylebone, Covent Garden, Soho, Fitzrovia, St James's, Belgravia, Pimlico, Hyde Park, Paddington, and surrounding areas.
Frequently Asked Questions
Q: Why is 3D scanning particularly valuable in Westminster?
Westminster's dense concentration of listed buildings, heritage structures, and complex Georgian and Victorian terraces makes non-contact measurement particularly valuable. Traditional tape-and-sketch methods are inadequate for irregular historic geometry.
Q: How accurate is 3D laser scanning?
Professional building scanners achieve ±2mm accuracy — suitable for all heritage documentation, BIM coordination, and construction applications.
Q: What turnaround can I expect?
Small projects typically deliver within 2–5 working days. Full BIM models for large or complex heritage buildings may take up to 2 months.
Q: Is 3D scanning suitable for listed buildings?
Yes — completely non-contact and non-invasive, making it ideal for Grade I/II listed buildings where physical measurement would be intrusive or prohibited.