See what changed since the pretty listing photo.
New building and land-use events are dated, not anecdotal.
“2007 new_building — the 'virgin plot' story collapsed.”
All analytical layers
SAT
Change detection · satelite-analysis
Every parcel has a timeline. We read it from the sky.
Propibay walks archival orthophotos year by year and flags structural change — so 'always been like this' becomes a dated event list.
2007sample year a new building appears on the Rokietnica timeline
Book a demoWho it's for
History is diligence
Buyers, investors and appraisers all need the before picture.
Spot momentum or stagnation from the air.
Multi-epoch coverage separates one-off noise from a trend.
“Ten epochs beat one drone flyover in the IC memo.”
Attach dated change evidence to the file.
Change types and confidence travel with the narrative.
“Timeline 2001→2025 in one appendix.”
Try it
One photo vs. a dated change log
Pick a year — see the change class the sample reported.
Sample spans 2001–2025; major structural jump is 2007.
Without Propibay
- Todayhouse + garden
- History“probably fields”
One orthophoto, infinite storytelling.
With Propibay
- 2007New building
- 2007Land-use change
- 2011Infrastructure
- 2025Stable latest
A residential building appears between 2001 (vacant/agricultural) and 2007.
What changes
Outcomes you can take into the room
- 01
Date structural change instead of guessing
- 02
Challenge 'empty plot' narratives with epochs
- 03
Hand appraisers a short change appendix
What it does
- Resolves multi-year orthophoto coverage
- Detects building and land-use changes
- Summarises the parcel timeline
Built on
- National orthophotos
- Vision change model
- Parcel outline
Built forAnyone diligence-checking what the ground used to be.
Why teams trust itDemo years and events follow api_satellite_analyze.