Can you already factor the new heat network into the budget for an apartment purchase? You need the building’s own decisions, connection timetable and a full cost comparison. The overall project helps frame the questions; those documents determine whether the expected saving can be included in your budget.
The project and your building’s connection
On 14 September, Cannes reported progress towards a planned spring 2027 launch. The scheme provides for 8.7 km of network serving 95 buildings in La Frayère, Ranguin and Bastide Rouge, 35 GWh of annual heat and an 80% renewable-energy share.
For a particular building, obtain confirmation of its connection, the supply date and the proposed contract. These documents connect the network’s overall plans with the apartment’s future costs.
Documents to request from the building manager
| Document | Check |
|---|---|
| General-meeting resolutions | Connection approval and expenditure accepted by owners |
| Contract and schedules | Duration, tariff, indexation, capacity and responsibilities |
| Building works programme | Substation, internal equipment, timing and transition arrangements |
| Co-ownership budget | Funding, maintenance, allocation and advance payments |
Establish whether the arrangement covers hot water, space heating or both. Compare proposed charges with the existing contract and any outstanding boiler commitments. Identify disconnection, adaptation and maintenance costs separately.
Treat savings as a forecast
The agglomeration forecasts a heating-bill reduction of about 15%. This is the project promoter’s estimate. For your apartment, compare two annual budgets at the same consumption level: the current contract and the proposed district-heating tariff. Include fixed charges, maintenance and transition costs.
Compare complete annual costs for similar use. A reduction in the energy price is not necessarily the same reduction in total co-ownership charges, which also fund other services.
Before the preliminary agreement
Give the documents to the notary and clarify which approved decisions and payments relate to the lot and how the sale records them. Without an approved schedule, do not make forecast savings essential to affordability.
The outcome is two comparable annual budgets and a separate list of one-off transition costs. Until the connection or tariff is confirmed, keep current expenses in your calculation. The network may change heating provision and the payment structure; its presence alone does not establish a property-value uplift.
Which commitments belong in the purchase terms?
After the cost comparison, establish which approved decisions and future payments relate to your lot and how the sale should address them. Our document review before the compromis explains how to read meeting minutes alongside financial records and prepare questions for the notary. For a chosen apartment, you can arrange with IMMO BTC to collect the decisions, contract and budgets so that the notary receives specific questions before signing.
Who will pay for the chosen building’s connection?
Use the apartment-checking guide to compare the meeting’s decision, your unit’s share and the payment schedule. Send the listing and available connection details so we can distinguish approved commitments from plans before including savings in the budget.
Sources and verification date
Checked on 22 September 2026. Observation periods and limitations are identified in the article.


