Development GDV
POST5 creditsPOST/valuations/development-gdv
Gross Development Value for a proposed development. Location + unit mix in; GDV estimate out.
Overview
Benchmarks each proposed unit against our 25M+ row Rightmove sales dataset to produce a per-unit valuation and a total GDV.
Why this endpoint exists
Replaces the expensive desktop-appraisal stage for early feasibility. Pays for itself on the first site you screen.
Body parameters
lngnumberOne of
Site longitude (pair with lat).
polygonstringOne of
"lng,lat lng,lat …" polygon.
unitsarrayRequired
Array of unit definitions: { bedrooms, size_sqft, property_type }.
Response Schema
location_label
String — human-readable site label.
gdv_total
Number (GBP) — total Gross Development Value.
units
Array of { bedrooms, size_sqft, estimated_value, price_per_sqft }.
Example
Try this endpoint with your own key
100 free credits, no card required.
More about this endpoint
Use Cases
1Feasibility / appraisal for small-scale developers.
2Lender pre-qualification for development finance.
3Planning viability assessments and S106 negotiations.
Base URL: https://pmi-api-beta-7tvvt.ondigitalocean.app/v1API version 1.1