Every time a property company takes out a mortgage, it's registered at Companies House. BTLTracker turns 1.2 million of those charges into a live map of buy-to-let activity — and values the portfolios behind them.
From a nationwide heatmap down to the exact house on the street — and what it's worth.
Zoom from a national heatmap to individual houses pinned at their exact postcode. Click any property to see the company and charge behind it.
Open the map →Estimate any landlord's portfolio using real Land Registry sold prices, a 75% LTV mortgage benchmark, and Savills' 5-year regional growth forecasts.
Value a portfolio →See which companies share a registered address — spot accountancy clusters and the most prolific buy-to-let operators in any area.
Browse addresses →Live Savills 5-year house-price forecasts for every UK region, refreshed daily, with a full history of how the numbers have changed.
See forecasts →Public data, stitched together into something genuinely useful.
We pull every registered charge from property-letting companies — the mortgages secured against their properties.
Postcodes and property addresses are parsed out of each charge's legal description.
Postcodes are geocoded to exact coordinates and plotted as houses on the map.
Land Registry prices and Savills forecasts turn each property into a live valuation.
No guesswork — every figure traces back to an official source.
Find the postcodes where buy-to-let money is moving — and what the properties are worth.
Launch BTLTracker →