LandHawk – Responsible Land Development Made Easier.

Your secret weapon for managing Constraints

LandHawk’s Constraints Data API leverages our expansive dataset to uncover potential development constraints quickly, for any given land parcel in the UK.

Keep your projects moving without fear of delay, with reliable and comprehensive constraint information in one place.

Identify and understand potential constraints at a glance

Know instantly if a project is viable with a comprehensive snapshot of potential Environmental, Utility, and Historic constraints – such as Flood Zones, Electricity Substations, or Listed Buildings.

Keep projects running smoothly without delay

Deliver reliable, trusted insight and visualisation to Environmental Consultants, Planners, Land Agents, Developers and Local Authority teams as part of your development projects.

Giving you the tools and data to develop responsibly

Building amazing places is a challenge that requires us all to work better together. This is why our API is designed make UK constraints data as accessible as possible, to everyone that shares our vision for the future.

Integrates seamlessly with industry-leading GIS solutions

Get started with our Constraints Data API today

Other LandHawk APIs

LandHawk DNO substation data API

DNO Substations Data API

Our DNO substations data API allows you to assess in a matter of seconds where you can connect infrastructure and which substations are potentially more viable than others in terms of proximity and capacity.

LandHawk Planning Application Data API

Planning APplication Data

Our Planning Application Data API is a comprehensive real-time database, designed to deliver powerful, detailed search with greater accuracy and control.
LandHawk Dynamic Land Value API


Our Benchmark Sales & Land Value API combines multiple sources of valuation data to give you complete and accurate insight, faster than before.