map by type

Height Information

Centremaps has compiled the most comprehensive range of height information products in terms of detail and coverage available online from one source. The following table details the datasets available for purchase online.

 

Most of these listed datasets are available both as a Digital Terrain Model (DTM) and Digital Surface Model (DSM).

 

Source Datasets Data collection method Resolution  Vertical accuracy (RMSE) Coverage 
The Environment Agency LiDAR LiDAR & photogrammetry 2m to 0.25m +/- 15cm Coastal areas, flood risk zones, urban centres
BLOM Aerofilms LiDAR  LiDAR

0.5m

 +/- 15cm London
Infoterra LiDAR  LiDAR 2m or 1m +/- 15cm 100+ GB urban areas
Terrain model Photogrammetry 5m +/- 15cm England
Cities Revealed LiDAR LiDAR 2m or 1m +/- 15cm Numerous urban centres and environs
Intermap NEXT  Map Britain IFSAR 5m +/- 1m GB
NEXTMAP2 (coming 2009)

IFSAR + Environment Agency LiDAR

 5m  up to +/- 15cm  GB, with higher detail for EA captured areas
Ordnance Survey OS Profile Photogrammetry, topographical survey 10m

+/- 2.5m lowland,  +/- 5m mountain / moorland

 GB
Landform Panorama 50m +/- 5m GB
Land & Property Services (Northern Ireland) Terrain Model Photogrammetry 10m +/- 1m Northern Ireland

 

The specifications of all the available data for your site will be listed prior to purchase to help ensure that the most appropriate dataset is selected.

 

Click here for our technical guide to height data (PDF - 1.4 MB) 

 

View coverage map

 

centremapslive.com recommends Global Mapper as an extremely useful tool for handling purchased height data. View, convert, take sections or perform viewshed analysis on height data with this powerful software (low cost and minimal computer spec required) find out more here.

 

Click on any of the product images or titles below for more information and the option to start your order...

Comprehensive detailed height data listing

Comprehensive detailed height data listing

This product returns a listing of the most detailed height datasets available.

 

Select one or more of the available options in order to download height data at grid intervals of up to 25cm spacing with accuracies of better than +/- 15cm.
NEXTmap 5 metre Digital Terrain Model

NEXTmap 5 metre Digital Terrain Model

NEXTmap Britain is a height dataset collected by Intermap offering comprehensive, accurate and affordable digital elevation data of England, Wales and Scotland, a total of 231,326 sq. km.

Offered here is NEXTmap's Digital Terrain Model with a 5 metre grid of levels representing a 'bare earth' model.
Contours derived from NEXTmap 5 metre DTM

Contours derived from NEXTmap 5 metre DTM

NEXTmap Britain height data represented using 1 metre contours to provide an alternative way of accessing this cost effective resource.
LPS Northern Ireland Digital Terrain Model

LPS Northern Ireland Digital Terrain Model

Digital Terrain Model with heights on a 10 metre grid. Captured by Land and Property Services (formerly Ordnance Survey) Northern Ireland
LPS Northern Ireland DTM interpreted Contours

LPS Northern Ireland DTM interpreted Contours

Contours at 1 metre height intervals, derived from the NI Digital Terrain Model with heights on a 10 metre grid. Captured by Land and Property Services (formerly Ordnance Survey) Northern Ireland
Ordnance Survey Land-Form PANORAMA®

Ordnance Survey Land-Form PANORAMA®

Land-Form PANORAMA is an excellent value digital representation of the contours found on Ordnance Survey's 1:50 000 scale Landranger maps.

The product is made up of contours spaced at 10 metre height intervals and a digital terrain-model (DTM) made up of spot heights in a grid with 50 metre spacings.