LandHawk – Responsible Land Development Made Easier.

HMLR Benchmark Sales and Land Value Data API

Our HMLR Benchmark Sales and Land Value Data API takes the hard work out of creating your own formulas.

If you’re looking to find out the value of development land, we’ve created a data stream that tells you how much your project could potentially yield, right from the start.

Identify and understand your return on investment at a glance

Know instantly if a project is viable with a data that has been cross referenced against average sales and land values for your chosen area. Easily cost out a project from your initial searches with our bespoke feed.

Keep projects running smoothly without delay

Deliver reliable, trusted insight and visualisation to your teams and stakeholders. Make decisions quickly and with ease based on our carefully curated data.

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


Our Constraints Data API gives you instant visibility of environmental, historic and other factors that may have an impact on your development projects.

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 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.