Guide
CAD Maps UK: Free Open Data, OS MasterMap or a Topographical Survey?
Compare free CAD maps, OS MasterMap and topographical surveys: accuracy, cost and choosing the right DWG mapping for your UK project.
8 October 2026
obermajer maps
Journal
Maps, CAD, and other related guides
Guide
Find a Location from a Grid Reference Online (UK)
Quick UK guide: enter an OS grid reference and find the exact location on a map in seconds. Short video included.
4 October 2026
Guide
Coordinate Conversion Spreadsheet (Lat Lon, Eastings, Northings, Grid Reference UK)
Use a coordinate conversion spreadsheet to convert latitude and longitude, eastings and northings, and OS grid references in bulk.
2 September 2026
Guide
Convert Postcode to Grid Reference (UK)
Quick UK guide: enter a postcode and get the OS grid reference instantly. Works for eastings and northings too.
14 August 2026
Guide
Free CAD Maps in the UK (Quick Guide)
Find free CAD maps in the UK using OpenStreetMap and OS OpenData. Skip GIS and get DWG basemaps faster.
10 June 2026
Guide
OS Grid Reference Explained (with examples)
Learn what an OS grid reference is and how to read it. Includes grid squares, eastings, northings, and 4 vs 6 figure grid reference examples.
21 April 2026
Product
Introducing Flood Map for Planning for AutoCAD
Download Environment Agency Flood Map for Planning data for England directly in DWG.
13 January 2026