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Land & Engineering

Boundary & Site Control

Where the boundary legally is, and how to build to it. Definitive boundary definition to recognised standard, with the control network, the evidence and the setting-out dimensions you need to put the work in the right place and stay there.

Typical accuracy · ±10mm on control; boundary interpretation is a legal judgement, not a measurement, and is stated as such.

Boundary markers and control pegs on a site
SEVENOAKS · BOUNDARY CONTROL

When you need it

  • →You are building close to a boundary and need to know how close you can go.
  • →A neighbour disputes where the boundary runs.
  • →Land is being sold or transferred and the boundary must be defined on plan.
  • →You need a control framework to set out a building accurately.

What you get

  • Boundary definition plan with monumented or offset evidence
  • RICS-standard boundary annotation
  • Control network in OSGB36 for future setting-out
  • Setting-out coordinates and dimensions for the proposed works
  • Marked and photographed boundary features on site

How it runs

  1. 01

    Take instructions and review title plans and any existing evidence.

  2. 02

    Search for physical boundary features and record their condition.

  3. 03

    Establish control and tie the definition to it.

  4. 04

    Issue the plan with the evidence and the reasoning clearly set out.

Horizontal control
±10mm typical
Vertical control
±8mm typical
Datum
OSGB36 · EPSG:27700
Area covered
Norfolk base · 6 regions

Questions we get asked

Can a surveyor decide a boundary dispute?

A surveyor provides the measured evidence and an impartial opinion on where the boundary is most likely to sit. The legal decision is the Court's. Our job is to make the evidence unambiguous.

Do I need this before I buy?

If there is any doubt about the boundary, yes. It is far cheaper to establish it before exchange than to argue about it afterwards.

Where we cover

Norfolk based, working nationwide. Site-based surveying, so distance is rarely the constraint.

Most requested in Norfolk, Kent & Medway, Suffolk, Cambridgeshire & Essex.

Every town, district and borough we cover is listed in full on each region page. See the full service area.

All 18 other services

Topographic & Land SurveysLevels, contours and site detail for planning, design and construction.Level Surveys & Site GradientsAccurate falls and cross-falls, including Kent's shrink-swell clay.Measured Building SurveysMeasured floor plans for architects, conveyancing and party wall work.Expert Witness & Boundary Dispute ReportsIndependent evidence for boundary disputes and neighbour conflicts.Drainage & Flood Risk SurveysFlood zone assessment and drainage run-off measurement.Engineering Surveys & Setting-OutPrecision setting-out, control and dimensional checks on site.Construction Progress MonitoringRegular site measurement tracking progress, volumes and change.As-Built & Completion SurveysFinal measured records for handover and compliance sign-off.Drone PhotogrammetryAerial reconstruction producing accurate 3D models and imagery.Aerial Mapping & OrthomosaicsGeoreferenced, distortion-free imagery from a single flight.Point Clouds & 3D ModelsDeliverables in E57, LAZ, LAS, IFC and XYZ for your software.Volumetric & Stockpile SurveysInstant stock tonnage, cut and fill volumes from measured data.LiDAR & 3D Laser ScanningMillimetre-accurate point clouds that reach beneath vegetation.Biodiversity Net Gain SurveysBNG baseline, condition and monitoring evidence from the air and the ground.Multispectral & Agricultural SurveyNDVI and NDRE analysis to reveal crop stress and irrigation issues.Roof Surveys & Aerial InspectionsCondition surveys of roofs and structures without scaffolding.Dropped Object InspectionRecorded and verifiable inspection regime for dropped objects.Thermal & Insulation InspectionLocate heat loss, failed insulation and water ingress before it spreads.

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

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