Land & Engineering
Measured Building Surveys
An accurate floor plan of a building that already exists, whether that is a Victorian terrace, a warehouse or a whole site. Measured, not estimated, and delivered with the data so an architect can model straight from it.
Typical accuracy · ±10mm on dimensions, typically ±15mm on room shape from a scanned or total-station survey.
When you need it
- →An architect needs existing drawings that do not exist or cannot be trusted.
- →A loft, extension or conversion needs to be designed to planning.
- →Party wall or schedule of condition work needs measured evidence first.
- →A sale, lease or dilapidations case needs a defensible record of condition and size.
What you get
- 2D floor plans at a stated scale
- Elevations and cross-sections where required
- Point cloud of the interior and exterior
- Room schedule with areas, and a measured survey drawing in CAD and PDF
- Existing condition notes for party wall and dilapidations work
How it runs
- 01
Confirm which areas matter and what the drawing has to be used for.
- 02
Survey on site, scanning where it saves time and picking up details manually.
- 03
Model and check every dimension against the raw observations.
- 04
Issue plans, sections and the point cloud together.
- Horizontal control
- ±10mm typical
- Vertical control
- ±8mm typical
- Datum
- OSGB36 · EPSG:27700
- Area covered
- Norfolk base · 6 regions
Questions we get asked
Measured survey or measured building survey?
A measured survey is the general term. A measured building survey is a floor plan of a structure, which is the most common request. If you tell us what the drawing is for we will tell you which level of detail you actually need.
Often needed alongside
Point Clouds & 3D Models
Deliverables in E57, LAZ, LAS, IFC and XYZ for your software.
LiDAR & 3D Laser Scanning
Millimetre-accurate point clouds that reach beneath vegetation.
Expert Witness & Boundary Dispute Reports
Independent evidence for boundary disputes and neighbour conflicts.
Roof Surveys & Aerial Inspections
Condition surveys of roofs and structures without scaffolding.
Where we cover
Norfolk based, working nationwide. Site-based surveying, so distance is rarely the constraint.
Most requested in Greater London, South East London.
Every town, district and borough we cover is listed in full on each region page. See the full service area.
All 18 other services
Start here
Send the address and what it is for.
You will get a straight answer on whether this survey is the right one, and what it should cost. If it is not, we will say so.
info@prospaplans.com · Norfolk, Kent, London, East Anglia and the Midlands