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OS MasterMap. Detailed Digital Mapping, Instantly.

Download accurate Ordnance Survey mapping in CAD (DWG) or PDF format. Competitive pricing, instant online ordering and no subscription required.

Choose Your Format

CAD or PDF – What's Right for You?

OS MasterMap is available in two formats to suit different needs, whether you're working on detailed architectural drawings or preparing planning documentation.

Illustrative OS MasterMap CAD DWG mapping with building outlines, roads, boundaries and coordinate grid

DWG Format (CAD)

Editable mapping for design and survey work

  • Editable DWG drawing files
  • Suitable for architects, planners and developers
  • Detailed building and road information
  • Use with AutoCAD and compatible software
Illustrative OS MasterMap PDF site plan showing black-and-white mapping of Rookery Gardens

PDF Format

Ready-to-use mapping for planning and design

  • Clear, high-resolution PDF mapping
  • Available at different scales and coverage areas
  • Ideal for printing and sharing
  • No specialist CAD software required

Mapping images are illustrative examples of the available formats.

Clear, Competitive Pricing

OS MasterMap Prices

Straightforward pricing for CAD and PDF mapping. Select the area and format that suits your project.

OS MasterMap CAD (DWG)

Editable digital mapping for CAD software

Prices from
£18.32
+ VAT
100 × 100m£18.32
200 × 200m£46.43
400 × 400m£158.87
OS MasterMap PDF (Urban)

Ready-to-use mapping for planning and design

Prices from
£13.97
+ VAT
1:500 A4 (80 × 80m)£13.97
1:1250 A4 (200 × 200m)£19.12
1:2500 A4 (400 × 400m)£66.04

All prices exclude VAT. Final prices are confirmed when selecting your product and coverage area.

Professional Mapping

Trusted by Architects, Planners and Developers

Detailed Ordnance Survey mapping supports a wide range of professional applications.

Planning Applications

Mapping to support planning documentation and site assessments.

Architectural Drawings

Detailed base mapping for architectural design and proposals.

Site Assessments

Understand the surrounding buildings, roads and site context.

Land & Property

Useful geographic context for property and land-related work.

Development Projects

Mapping for residential and commercial development projects.

Order Online in Minutes

Get Your OS MasterMap in 3 Simple Steps

Our Map Portal makes ordering and downloading professional mapping straightforward.

1

Find Your Location

Search for your address or navigate to your site on the map.

2

Select Your Area & Format

Choose your coverage area and select CAD or PDF mapping.

3

Download Your Mapping

Complete your order and download your mapping files.

Frequently Asked Questions

OS MasterMap FAQs

Answers to common questions about formats, pricing, licensing and ordering.

What is OS MasterMap?

OS MasterMap is detailed Ordnance Survey mapping of Great Britain, showing buildings, roads and other geographic features. It is widely used by architects, planners and construction professionals.

What's the difference between DWG and PDF?

DWG is an editable drawing format for compatible CAD software. PDF mapping is suitable for viewing, printing and sharing without specialist CAD software.

Can I use OS MasterMap for planning applications?

OS mapping is commonly used to support planning applications. Check your local authority's requirements for scale, site boundaries, format and licensing before ordering.

How accurate is OS MasterMap?

OS MasterMap is Ordnance Survey's detailed large-scale mapping product. Positional accuracy and currency vary by feature and location. It should not be treated as a substitute for a measured site survey where one is required.

What are the licensing terms?

OS mapping is subject to Ordnance Survey licensing and permitted-use conditions. The applicable terms depend on the product and intended use. Contact us if you are unsure which licence you need.

How do I receive my files?

Order through the Joanna James Map Portal and access your digital mapping files following purchase.

OS MasterMap of Tewkesbury showing detailed roads and building footprints
Ready to Get Started?

Order Your OS MasterMap Online

Accurate Ordnance Survey mapping at competitive prices. Find your location, select your format and order online through our Map Portal.

Order OS MasterMap