Local housing stock
In Basel, the federal building register lists 18'537 residential buildings and 104'691 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.
Age of residential buildings
92 % built before 1980
- Before 191928 %
- 1919–194535 %
- 1946–196016 %
- 1961–19708 %
- 1971–19805 %
- 1981–19902 %
- 1991–20002 %
- 2001–20101 %
- Since 20113 %
Construction year does not reveal past renovations: check the current insulation condition.
Main heating energy
46 % · District heating
- District heating46 %
- Gas36 %
- Heat pump9 %
- Heating oil8 %
- Electricity1 %
- Wood1 %
This distribution describes recorded buildings, not your system's consumption or efficiency.
Heating and hot water: which energies?
| Energy | Heating | Hot water |
|---|---|---|
| Gas | 36 % | 19.9 % |
| Heating oil | 8 % | 4 % |
| District heating | 46 % | 45.9 % |
| Heat pump | 9 % | 8.6 % |
| Electricity | 1 % | 17.1 % |
| Wood | 1 % | 0.7 % |
| Solar thermal | 0 % | 3.8 % |
Each line gives the share of buildings using that energy, separately for heating and for hot water. The two columns do not always reach 100%: some buildings combine two systems, or reported none.
Type of heating system
- Heat exchanger (district)45.8 %
- Standard boiler29.1 %
- Condensing boiler11.2 %
- Heat pump8.6 %
- Boiler (unspecified)4.4 %
- Central electric heating0.6 %
A standard non-condensing boiler is usually older and less efficient.
Houses or apartment buildings?
- Single-family houses36.7 %
- Two-dwelling houses4.3 %
- Apartment buildings (3+)59 %
26.6 % of buildings mix housing with shops or offices.
The typical building
- storeys (median)
- 4
- median footprint
- 116 m²
- median dwelling area
- 70 m²
Dwellings by number of rooms
Dwellings per building
- 1 dwelling36.7 %
- 2 to 420.9 %
- 5 to 925.2 %
- 10 to 1913.7 %
- 20 or more3.6 %
Renovations, heritage and volumes
For your renovation plans in Basel, the RegBL data provides essential guidance. With 2299 buildings under heritage protection, it is vital to contact the municipality early to discuss permits. While building volume figures according to the SIA 416 standard are unavailable, the data coverage for renovation history is complete. The median renovation year is recorded as 2024, reflecting recent activity in the area. Please note that for certain technical aspects, data coverage remains partial. Consequently, you should conduct a thorough on-site assessment to accurately plan the scale of your insulation or heating works, as official figures do not cover all metrics.
Source : OFS — RegBL (export communal complet). Existing residential buildings; percentages of recorded values.
Housing stock and building age
Basel's housing stock is historically diverse. According to RegBL data, the majority of buildings were constructed before 1960. With 2299 protected buildings, heritage preservation is key.
If you own an older property, checking its structural condition and renovation history is essential, with the median renovation year recorded in 2024.
An on-site analysis is always necessary to assess specific needs, as available technical data does not fully cover the characteristics of every individual construction.
Heating and energy
Energy transition is a major issue in Basel. The building stock uses a mix of systems, from district heating to heat pumps.
RegBL data shows that among 18,530 registered buildings, heating solutions vary, with district heating being prominent for hot water and thermal needs. Before replacing your heating, study heat pump solutions or grid connections.
Effective insulation of facades and roofs remains the top priority to sustainably reduce your energy consumption and bills.
Permits and authorizations
They will inform you of the specific requirements in your area. Never begin structural work or major facade changes without official approval. Early coordination with urban planning services will avoid costly delays and ensure your work is compliant.
Priorities for homeowners
To optimize your renovation, prioritize work according to energy efficiency and sustainability. Start with the building envelope: effective insulation limits heat loss and makes installing a new heating system more efficient and cost-effective.
Given the median renovation year of 2024, it is likely your building needs targeted adjustments rather than a full overhaul. Assess the condition of your roof and windows.6% of buildings, to improve your home's energy autonomy.
Using the RenoIndex estimator
RenoIndex is your primary tool for realistically budgeting your work. By entering your building data, you get estimates based on local market costs.
Since RegBL data indicates a median area of 70 m² per dwelling, use this information to refine your calculations. The estimator helps you compare different renovation options, whether changing your heating system or insulating your attic.
Keep in mind that costs may vary due to heritage constraints. Use the results to prepare your discussions with local craftsmen.
Local data in detail
Choose your works in Basel
- Kitchen renovation cost in Basel
- Bathroom renovation cost in Basel
- New flooring cost in Basel
- Interior painting cost in Basel
- Window replacement cost in Basel
- Roof renovation cost in Basel
- Facade insulation cost in Basel
- Heat pump installation cost in Basel
- Solar panels cost in Basel
- Home solar battery cost in Basel
- Solar water heating cost in Basel
- Terrace construction cost in Basel
- Fence installation cost in Basel
- Stairwell renovation cost in Basel
- Elevator installation or upgrade cost in Basel
Nearby municipalities : Riehen
Frequently asked questions
Is my building protected?
In Basel, 2299 buildings are under heritage protection. You can verify the status of your property with the municipal urban planning services or the cantonal cadaster. It is crucial to do this before any project.
What is the median renovation year?
According to RegBL data, the median renovation year in Basel is 2024. This indicates a dynamic building stock that is regularly updated by owners.
Do I need a permit for a heat pump?
Yes, installing a heat pump usually requires a permit, especially in protected areas or if drilling is needed. Consult the municipal technical department.
What data is available in the RegBL?
RegBL contains info on age, heating, number of dwellings, and protection status. However, some detailed technical data remains partial for certain buildings.
Where can I find energy efficiency advice?
The municipality and Basel cantonal authorities often offer advisory programs. You can also consult private experts for a comprehensive energy audit of your home.