Legal core
ImmoWertV-native legal core
“Can I defend this valuation in court or to the bank?”
- 01
Declarative legal model
ImmoWertV paragraphs as an auditable rule set — not buried in formulas.
- 02
Evidence chain per value
Every factor traceable to its source: report, page, table, norm.
- 03
§ 6 method-choice audit
Choice of asset/income/comparable value reasoned and documented.
- 04
§ 8 boG audit
Special parcel features captured, quantified, evidenced — cleanly separated.
- 05
Annex 1 (GND) & Annex 2 (RND)
Remaining useful life and modernisation in 0.5-point steps.
- 06
Deterministic calculation core
Normative output never comes from AI — reproducible to the cent.
- 07
Automatic source register
Every data source used lands evidenced in the report.
Methods
All three regulated methods — plus specialist modules
“I need a different method per object — and done correctly.”
- 01
Asset value (NHK 2010)
Live Destatis construction-price index, market adjustment factor, land value, age depreciation.
- 02
Income value
Gross income, operating costs, property yield from market reports, capitalisation.
- 03
Comparable value
Reference cases from KPS, price adjustments, aggregation, comparability matrix.
- 04
Mortgage-lending value (BelWertV)
Dedicated module for bank valuations.
- 05
Renovation cost cross-section
Actual/target split, feeds boG and report text.
- 06
50 building types (NHK-2010)
From single-family to multi-family, commercial and specialist properties.
Market data
Deep market-data database
“I have to piece market data together from PDFs.”
- 01
Structured market reports SN & NRW
Land-market reports as a queryable database — not a stack of PDFs.
- 02
Page-accurate evidence
Every value resolves to the exact report page (court-ready).
- 03
Full coverage
Asset factors, yields, gross-income factors, rents, index series and more.
- 04
GAA-sharp in NRW
Auto-mapping municipality → responsible appraisal committee, incl. carve-outs.
- 05
Your own market data
Private collections take precedence over the central base — and stay private.
- 06
Manual > own > central
Clear hierarchy, every source marked. The appraiser stays in control.
Geo data
Official geo data, live
“I'm constantly switching between portals.”
- 01
ALKIS cadastral map integrated
Saxony (GeoSN) and NRW (Geobasis NRW) directly in the cockpit.
- 02
Parcel by click
On the map — or on site via geolocation, captured automatically.
- 03
Multi-parcel reports
Multiple parcels and buildings in a single project.
- 04
BORIS land values live
Right at the parcel, with reference date and source.
- 05
Property reference values BORIS-NRW
Sub-market specific, with the committee's evidence PDF.
- 06
Authority WMS overlays
Land-use plan, zoning, heritage, flood, contamination as map layers.
Location
Automated location analysis
“The location description costs me hours of research every time.”
- 01
Macro-location from Destatis
GENESIS regional database — socio-economic indicators.
- 02
Micro/meso-location from OSM
Public transport, infrastructure, retail, surroundings, central places.
- 03
Environmental burdens
Noise and flood mapping (LfULG Saxony / LANUV NRW).
- 04
Heritage & land-use planning
RAPIS / bauleitplanung.nrw linked directly.
- 05
Population trend
Statistik Sachsen / IT.NRW — demographics at a click.
- 06
Pre-drafted location text
Research and prose in one step — every statement sourced.
On site
Mobile inspection mode
“On site I scribble notes; evenings I retype everything.”
- 01
Voice notes and photos
On the phone, standing in the property — everything stays in the cockpit.
- 02
EU AI transcribes & routes
“Roof insulated 2016” becomes auditable suggestions.
- 03
Goes to the right place
boG, Annex-2 points, location package, building standard — auto-routed.
- 04
Human-in-the-loop
A person confirms every suggestion — nothing is adopted without approval.
- 05
Non-blocking
While the AI processes, you keep capturing.
- 06
Parcel by geolocation
Tap at the property and the parcel is picked up.
AI assistance
AI with verification — EU-sovereign
“AI yes, but no hallucinations in the report.”
- 01
Mistral only (EU)
No US provider, no data leaving the EU.
- 02
Land-register OCR & extraction
Divisions I/II/III parsed in structured form.
- 03
KPS / market-data OCR
Committee excerpts and tables captured.
- 04
Descriptive text as draft
Location and object descriptions generated as thoughtful drafts — for the appraiser's expert review and sign-off.
- 05
Verification stack
Number validator + claim check: no invented numbers, every claim grounded.
- 06
BYOK
Bring your own Mistral key optionally.
Report builder
Report assembly & export
“Assembly and formatting eat my time.”
- 01
Three-layer text model
Normative from templates, descriptive from verified AI, review gate before export.
- 02
Report-grade templates
Clean technical phrasing, central EUR formatting.
- 03
Smart snippets
Your own text blocks and layout outlines, reusable.
- 04
Prose, not bullets
Report-grade prose, never a bullet layout.
- 05
Word export (DOCX)
Fully editable report.
- 06
Automatic source register
Evidence at the press of a button.
Privacy
Privacy & trust
“Am I even allowed to upload sensitive land-register data?”
- 01
100 % EU/DE hosting
Database in Frankfurt, app in Germany.
- 02
No US AI
Land-register data never leaves the EU.
- 03
§ 203 StGB compliant
Data processing agreement (AVV) prepared.
- 04
Strict tenant isolation
Row-level security — tested.
- 05
GDPR self-service
Full data export and account deletion in one click.
- 06
End-to-end audit trail
“Warn and document, don't block” — system evidences, appraiser decides.
Platform
Platform & workflow
“I want a modern interface, not a government tool.”
- 01
Saxony + NRW fully covered
State-specific building law (SächsBO / BauO NRW), clickable Germany map.
- 02
Project management
Multi-select, real deletion — DB + files, not just “hidden”.
- 03
Appraiser profile
Firm, address, logo appear automatically in reports and correspondence.
- 04
Passwordless sign-in
Email code or verification link, cross-device.
- 05
Web-based
No install, desktop and mobile.
In development
- R-01
PDF/A + qualified electronic signature
Formal court-readiness of the output document.
- R-02
BKI renovation-cost upload
Import your own cost benchmarks.
- R-03
More German states
Architecture is built to plug in per-state data packages.
- R-04
Offline PWA for on-site mode
Capture even without reception.
- R-05
Comparability score
Plus extended market-report analytics (rent, land-value conversion, heritable building right).
Æstimia brings the entire appraisal process — from parcel through on-site capture to a fully-sourced Word report — into one single, court-ready and EU-sovereign workflow.