As-Built Survey in Kensington: What You Need
An as-built measured building survey in Kensington (W8 and W14) creates an accurate record of a building's actual dimensions and features after construction or refurbishment — essential for compliance, renovations, and building management in one of London's most prestigious boroughs.
What Is Included in an As-Built Measured Building Survey
| Component | Details | | --- | --- | | Floor plans | Structural walls, door swings, window sill and head heights, floor levels, sanitary equipment, columns | | External elevations | Window and door placements, roof lines, rainwater goods, external finishes | | Roof plans | Ridges, valleys, pitches, parapets, chimneys, skylights | | Ceiling plans (RCP) | Lighting layouts, exposed beams, bulkheads, HVAC elements | | Cross sections | Floor-to-ceiling heights, floor thicknesses, staircases, roof structures | | Site plans | Building footprint, boundaries, levels |
Technology: Professional surveys use 3D laser scanning (up to 976,000 points per second) for millimetre accuracy and a point cloud digital twin.
Standard Deliverables
| Format | What You Get | | --- | --- | | 2D AutoCAD (DWG) | Primary as-built drawings, ready for architectural workflows | | PDF | Non-editable drawings for sharing and review | | Point cloud | RCP, E57, FLS formats for Revit and CAD | | 3D BIM model | Revit RVT scan-to-BIM model (optional, from £550) | | Schedules | Door and window schedules (optional) |
2025 Costs in Kensington (W8 and W14)
| Property Size | Cost (ex VAT) | | --- | --- | | Small residential (up to 2,000 sq ft) | £450–£850 | | Medium commercial (2,000–10,000 sq ft) | £850–£1,800 | | Large or complex property (10,000+ sq ft) | £1,800–£3,500+ | | London average starting price | £495 + VAT | | Architectural home survey (Kensington specific) | £800–£3,500 |
Per-drawing add-ons: 2D drawings from £375 each. 3D BIM model from £550.
Cost factors: Property size and complexity, listed building status, furniture and clutter, required Level of Detail (LOD), parking and ULEZ costs in central London.
Local Kensington Surveyors
| Company | Contact | Coverage | | --- | --- | --- | | Measured Survey London | 0208 629 1706 | W8 7NX | | Peter Miko Surveys | 07541 498 105 | Kensington and Chelsea specialist | | Multiple firms | Various | W8 and W14, Holland Park, Earl's Court |
When You Need an As-Built Survey in Kensington
| Project | Survey Required? | | --- | --- | | Planning permission | Yes — required by RBKC for extensions and conversions | | House extension | Yes — accurate existing drawings for design | | Listed building works | Yes — detailed recording of historic fabric required | | Property sale or purchase | Only if property is unusual or complex | | BIM or digital twin | Yes — measured data for modelling | | Building regulations compliance | Yes — as-built record of completed works |
Frequently Asked Questions
Q: What accuracy is achieved on a measured building survey in Kensington?
±2mm for laser-scanned surveys. ±10mm for manual measured surveys. All surveys follow RICS Measured Surveys of Land, Buildings and Utilities specification.
Q: What scale are drawings produced at?
1:50 for detailed design work. 1:100 for planning applications. Confirm with your architect or RBKC planning department.
Q: Are there listed building considerations?
Yes — Kensington and Chelsea has many listed buildings. Survey scope may need to be more detailed for heritage assets. Notify your surveyor if the property is listed.
Q: How long does the survey take?
Site visit: 1–3 hours for residential properties. Drawing delivery: 3–7 working days. Total: typically 1–2 weeks from instruction.
Q: What file formats will I receive?
AutoCAD DWG (editable) plus PDF. Revit RVT for BIM projects. Point cloud data in RCP, E57, or FLS formats.
Q: What is the London premium for Kensington?
Expect 10–20% higher than UK average due to congestion charges, ULEZ, parking constraints, and high property values in RBKC.