Collective DPE for co-ownerships in 2026: the obligation that shakes up rental management
On 1 January 2026, every French co-ownership of more than 50 lots must have a collective DPE. For agencies, it triggers works plans and tension with landlords.
Custom software for real estate.
Residential and commercial real estate handles properties, mandates, visits, diagnostics, with strong pressure to automate repetitive tasks. Real-estate CRMs are either franchise-locked or generic, rarely both.
01What we solve
Three recurring problems.
The same in most firms.
Before talking software, we talk pain points. If you don't recognize any of these three, we are probably not the right partner for you.
- 01
Real-estate CRMs lock you in
Hektor, Apimo, Adapt Immo: €80-150/agent/month subscriptions, hard-to-export data, little customization. Your processes follow the tool, not the other way around.
€80-150 / agent / month on dedicated CRMs
- 02
Diagnostics are scattered
DPE, asbestos, lead, electrical, gas, ERP, Carrez measurement: each has its provider, file, validity date. When a sales file is built, each diagnostic is chased manually.
1-2h per property to rebuild diagnostics
- 03
Property dealers are forgotten
No tool handles the property-dealer specifics well: stock-property portfolio, division plans, forecast margin, cadastre/PLU/DVF integration. Excel + 4 browser tabs.
0 dedicated business tools for property dealers
02Complex or critical software
The systems that
cannot fail.
When your processes require a replayable audit trail, sagas with compensation, or compliance by construction, we ship an event-driven architecture (DDD + CQRS + Event Sourcing), not a CRUD layered with audit logs.
Compromise → final deed steering
Full cycle Compromise → Suspensive conditions (financing, urban planning) → Lifting → Final deed signature → Payment → SPF publication, with clean rollback on loan refusal or asbestos discovery. Multi-actor (notary, buyer, seller, bank), consultable history.
Notaires.frSPFBanks
Climate Law thermal-leak properties
For landlords: per-property DPE tracking, alerts on F/G properties banned from rental per the calendar (G in 2025, F in 2028, E in 2034). Tamper-proof history of DPE information communicated to tenants, evidence admissible in court.
ADEME DPEDGCCRF
AI-assisted property-dealer sourcing
For property dealers: specialized AI assistants that scan DVF, cadastre and listings daily, cross-check with PLU and zoning rules, compute forecast margin and escalate to human validation on the most relevant opportunities.
DVFCadastre.gouvPLUBAN
Real-estate Tracfin AML-CTF compliance
For agencies: mandatory AML-CTF vigilance at relationship onboarding. PEP detection, international sanctions, atypical operations, Tracfin declaration with consultable history. Avoids ACPR and DGCCRF sanctions.
TracfinWorld-CheckOpen Sanctions
03Mobile and web applications
The day-to-day apps,
screen by screen.
For everything else (CRM, portals, scheduling, billing), we ship a custom application, on your design system and with your existing integrations.
Property portfolio management
Full property file: photos, plans, diagnostics, neighbourhood sale-price history (DVF), cadastre and PLU information. File shareable with the buyer in 1 click.
Cadastre.gouvDVFGéoportail
Mandate tracking
Simple or exclusive mandates with dates, prices, special conditions, electronic signature. Alerts 30 days before expiry, tacit-renewal tracking.
YousignDocuSign
Visit planning with geolocation
Map view of today's visits, route optimization, online booking by buyers with agent calendar sync. Automatic SMS confirmation.
Google MapsOutlookGoogle Calendar
Buyer / tenant portal
Buyer personal space with favourite properties, alerts on new matching listings, scheduled visits, dematerialized tenant application file (DossierFacile).
DossierFacile
04Regulations & integrations
What we handle natively,
no add-ons.
Business compliance and key integrations are not options, they are prerequisites built in from the start.
Hoguet law
Professional card, financial guarantee, mandates
ALUR law
Fees, co-ownership, rental, ERP diagnostic
GDPR
Buyer and tenant data, retention period
DPE / RE 2020
Energy performance diagnostic, classes A to G
DossierFacile
State platform for tenant files
Climate & Resilience Law
Ban on letting thermal leaks 2025+
05Frequently asked questions
Answers to the questions we get in meetings.
- Do you replace Hektor / Apimo / Adapt Immo?
- Yes in most cases. Migration of properties, contacts and mandate history included. 3-year savings widely cover the project.
- Do you handle property dealers?
- Yes, even one of our priority use cases. Dedicated module with margin calculation, division plans, cadastre/DVF/PLU integration.
- For listing distribution on SeLoger / LeBonCoin?
- Connectors to the main portals (SeLoger, LeBonCoin, Logic-Immo, Bien'ici). 1-click distribution, listing updates synced.
- How much does it cost for a 5-agent agency?
- €20-35k initial (CRM + properties + visits + portal), €4-6k/year maintenance. Compare with €5-7k/year of subscriptions for 5 agents on market solutions.
- Is the code ours? Can we leave Swoft?
- Yes. IP transferred at delivery, source code and data are yours, reversible hosting. No lock-in.
06Related industries
On the boundary?
Mixed firms (accounting + audit, accounting + advisory, accounting + legal) draw from several industries. Here are those that share the most challenges.
07Articles & veille
L'actualité Real Estate, décryptée.
Réglementations, virages business, sous-domaines en mutation : ce que notre pôle veille publie sur le secteur Real Estate.
Collective DPE for co-ownerships in 2026: the obligation that shakes up rental management
Glossaire connexe
Le cadre réglementaire qui structure Real Estate.
Les réglementations qui pèsent sur les choix logiciels (appliquées, partielles, ou imminentes), décryptées par notre pôle veille.
Responsabilité Élargie du Producteur, Produits et Matériaux de Construction du Bâtiment In forceREP PMCB
Responsabilité Élargie du Producteur, Produits et Matériaux de Construction du Bâtiment
Filière REP qui finance la collecte et la valorisation des déchets de chantier. Sanctions actives en 2026 pour les artisans et entreprises BTP.
- Construction & Site
- Architecture
- Retail & Distribution
- +1
Réglementation Environnementale 2020 In forceRE2020
Réglementation Environnementale 2020
Réglementation française des bâtiments neufs : performance énergétique + carbone. Seuils Ic Construction durcis en 2025 et 2028.
- Construction & Site
- Architecture
- Real Estate
An agency or property dealer wanting their bespoke tool?
30 minutes, no sales pitch.
30 minutes to scope the perimeter, identify cadastre/DVF/PLU links and price the suitable solution.