Topographic Survey Data
Georeferenced point data and CAD output — DXF and DWG — for planning applications, architect briefs, and drainage design. All data referenced to Ordnance Datum using OSTN15 transformation and delivered as multi-constellation RTK grade output across GPS, Galileo, GLONASS, and BeiDou. Ready to drop into your design model. Delivered within 48 hours.
Site Setting Out & Reference Points
Foundation lines, grid points, and finished floor levels supplied as coordinate data and physical marks on the ground. Available on a day rate or half-day basis — the resource you call when you need precision on site without a long-term commitment.
Ground Control Points for Drone Mapping
Surveyed GCPs for photogrammetry operators needing centimetre-accurate base data. Fast mobilisation, targets laid and measured, coordinates exported in your required format. Works with DJI, Autel, and all major RTK drone platforms.
Based in Bruton. Covering Somerset, Wiltshire, and Dorset.
Call — 07740 988006
Survey Enquiries — projects@twhbuilt.co.uk
All survey data and coordinate information provided by TWH Built Ltd is supplied as raw GNSS reference data for use by qualified design and construction professionals. It is provided for reference purposes only and does not constitute a professional survey report, boundary determination, or certified engineering document. TWH Built Ltd makes no representation as to the fitness of this data for any specific purpose. Clients and their appointed designers, engineers, and consultants are solely responsible for the interpretation, application, and verification of all data provided. TWH Built Ltd accepts no liability for any loss, cost, or consequence arising from the use of this data in design, construction, planning, or legal proceedings. By commissioning work, clients confirm they have read and accepted these terms.