Roof renovation · Fribourg

Roof Renovation in Fribourg: A Comprehensive Guide for Homeowners

Renovating a roof in Fribourg is a major project that requires careful planning to ensure the long-term sustainability of your property. This guide leads you through the key stages, from climate diagnosis to locally available financial support.
Roof renovation – Fribourg

At a glance

Typical budget
CHF 29'700 – CHF 65'400
Midpoint
CHF 44'900
Grants found
1
Nearby companies
4

Worked examples in Fribourg

Small project

CHF 16'400 – CHF 37'600

Typical project

CHF 29'700 – CHF 65'400

Large project

CHF 49'600 – CHF 107'200

ProjectQuantityLowHigh
Small project70 m²CHF 16'400CHF 37'600
Typical project140 m²CHF 29'700CHF 65'400
Large project245 m²CHF 49'600CHF 107'200

Computed with our estimator for Fribourg (regional factor included), standard finish. Only the project size changes.

Cost split (typical project)

  • Labour : CHF 22'500 (50 %)
  • Materials : CHF 18'000 (40 %)
  • Other costs : CHF 4'500 (10 %)

What the price covers

Included

  • Supply and installation
  • VAT
  • Covering, scaffolding, insulation and removal according to answers

Not included

  • Permits and architect fees
  • Unexpected structural issues
  • Possible subsidies
  • New roof structure, asbestos, roof windows and structural reinforcement

Fribourg's housing stock in figures

In Fribourg, the federal building register lists 3'307 residential buildings and 22'990 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.

75 %built before 1980
71 %heated by oil or gas
11 %electric hot water
3.1 %with declared solar thermal

Age of residential buildings

75 % built before 1980

  • Before 191928 %
  • 1919–194516 %
  • 1946–196015 %
  • 1961–197010 %
  • 1971–19806 %
  • 1981–19906 %
  • 1991–20007 %
  • 2001–20108 %
  • Since 20115 %

Construction year does not reveal past renovations: check the current insulation condition.

Main heating energy

48 % · Gas

  • Gas48 %
  • Heating oil23 %
  • District heating13 %
  • Heat pump11 %
  • Electricity4 %
  • Wood2 %

This distribution describes recorded buildings, not your system's consumption or efficiency.

Heating and hot water: which energies?

EnergyHeatingHot water
Gas48 %44.4 %
Heating oil23 %20.9 %
District heating13 %9.7 %
Heat pump11 %10.5 %
Electricity4 %11 %
Wood2 %1.1 %
Solar thermal0 %2 %

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

  • Boiler (unspecified)61.8 %
  • Heat pump13.9 %
  • Heat exchanger (district)12.1 %
  • Condensing boiler7.4 %
  • Central electric heating3.7 %
  • Standard boiler0.8 %

A standard non-condensing boiler is usually older and less efficient.

Houses or apartment buildings?

  • Single-family houses26.5 %
  • Two-dwelling houses9.2 %
  • Apartment buildings (3+)52.5 %
  • Other11.9 %

19.1 % of buildings mix housing with shops or offices.

The typical building

storeys (median)
4
median footprint
164 m²
median dwelling area
75 m²

Renovations, heritage and volumes

For your renovation projects in Fribourg, the official RegBL figures provide essential context for homeowners. Regarding heritage protection, one building is officially designated as protected out of 2916 structures, highlighting the need to contact the municipality early to secure permits if your property is affected. Please note that data coverage is partial, as the renovation year is unknown for all buildings. Furthermore, information regarding house volume according to the SIA 416 standard is currently unavailable, as all 876 houses fall under other categories. This makes it necessary to perform independent assessments when planning the scale of heating or insulation works.

1
buildings flagged as protected
status known for 15 of 2'916 buildings; check with the municipality

Source : Registre fédéral des bâtiments et des logements (RegBL), OFS, 2026. Existing residential buildings; percentages of recorded values.

Why and when to undertake these works in Fribourg

7 °C. With 3,233 Kj/year of heating needs, the state of your roof directly impacts your energy consumption. A faulty roof can lead to water infiltration or significant heat loss during extreme cold spells.

It is advisable to intervene before structural damage becomes irreversible. Planning should consider the lifespan of materials and signs of wear, such as porous tiles or insufficient insulation.

Anticipating these works allows you to benefit from the best weather conditions to avoid complications related to frost and precipitation, thereby ensuring optimal material installation.

Technical choices that influence the project

The choice of materials is decisive, especially at altitude where snow loads and frost directly influence the durability of the roof covering.

Homeowners can choose between traditional clay tiles, metal roofs, or more modern solutions, depending on aesthetic and technical requirements. Each material has its own resistance characteristics against local weather conditions.

Furthermore, the decision to integrate solar panels must be made beforehand, as their removal and reinstallation must be budgeted for during roof replacement.

With global irradiation of 1,346 kWh/m²/year, Fribourg offers interesting potential for photovoltaics.

Also consider that roof insulation, carried out simultaneously with the covering, significantly improves energy efficiency and is often eligible for the Building Programme.

Specifics of the local building stock according to construction era

In Fribourg, building structures vary and require special attention depending on the age of the building. In older houses, it is common to encounter obsolete or missing insulation.

During renovations, vigilance is required regarding the possible presence of hazardous materials such as asbestos, often hidden in old building elements, especially before 1990. A preliminary diagnosis is necessary to secure the construction site.

Roof networks, including rainwater drainage and ventilation, must also be adapted to current standards. In more recent constructions, the focus is on airtightness and high thermal performance.

It is crucial to adapt your project to the technical specifics of your building to ensure a sustainable renovation that complies with current safety and energy efficiency requirements.

Authorizations, rules, and heritage in Fribourg

It is imperative to consult the municipal authorities of Fribourg to understand local planning regulations, especially if your building is located in a protected or historic area. Respecting local architectural heritage is an essential requirement.

Municipal regulations define aesthetic and technical criteria for facade and roof works. Never start work without having received the approval of the competent services.

A complete file must be submitted according to local procedures, including plans and precise descriptions. A proactive check with your municipality will allow you to avoid any delays or administrative sanctions during your project.

Financial aid and taxation

More information is available via the Building Programme to ensure your project's eligibility.

Regarding taxation, investments in renewable energy, improvement of energy efficiency, and environmental protection are deductible from your income.

If these costs exceed the property's income during the current fiscal year, the surplus can be carried forward to the two following fiscal periods.

In addition, properties older than 10 years can benefit from a flat-rate deduction of 20% on the rental value or choose to deduct actual maintenance costs.

Timeline: Typical construction progress

Roof renovation always begins with a phase of technical evaluation and obtaining the necessary authorizations. Once the project is validated and the financial file submitted, choosing the artisans is a key step.

The implementation period should ideally avoid the months of intense winter to limit risks related to frost and bad weather, although professionals are accustomed to the climatic conditions of Fribourg.

Construction generally begins with setting up safety measures and scaffolding. This is followed by the removal of the old covering, possible repair of the framework, installation of insulation, and finally, the installation of the new covering.

Each step requires precise coordination to ensure the building remains watertight throughout the work. Meticulous planning allows for a smooth sequence of tasks between the different trades working on your roof.

Common errors to avoid and checklist before requesting quotes

Never neglect applying for prior administrative authorizations before signing a contract. Do not forget to include the removal and reinstallation of existing solar panels in your budget if necessary.

Do not choose an artisan without checking their references for similar projects in the region. Ensure that insulation is addressed at the same time as the covering to optimize financial support.

Checklist before your quote requests : Check if your building is listed by the historic monuments service. Precisely identify the desired insulation works. Prepare a roof plan and photos of the damaged areas.

Systematically request several detailed quotes to compare services. Check the validity of the professional insurance of the chosen providers. Confirm that the quote includes the management of construction site waste.

Your project in 5 steps

  1. 1. Estimate

    Set a budget range with the estimator.

  2. 2. Grants

    Apply before work starts.

  3. 3. Quotes

    Compare at least 3 quotes.

  4. 4. Permit

    Check with the municipality whether a permit is needed.

  5. 5. Works

    Follow the site and do a written handover.

Grants and subsidies

Canton

Facade insulation — Fribourg

Contribution per insulated m².

Fribourg support for thermal insulation of facades and roofs.

www.leprogrammebatiments.ch

Check amounts and conditions with the provider before signing: apply before work starts in most cases.

Companies in the area

Roth Gerüste AG

1700 Fribourg · about 0 km

Roth Gerüste AG specializes in scaffolding assembly for all types of building construction and renovation work.

rothgerueste.ch

TECTON Fribourg SA

1700 Fribourg · about 0 km

Specialist in waterproofing, tinsmithing, and flat roofs, including greening, industrial flooring, and building maintenance in Fribourg.

tecton.ch

JR ferblanterie, couverture, sanitaire, chauffage sàrl

1700 Fribourg · about 0 km

Fribourg-based company specializing in tinwork, roofing, plumbing, heating systems, and solar panel installations.

jr-sarl.ch

VB Charpente Sàrl

1700 Fribourg · about 0 km

VB Charpente Sàrl is a Fribourg-based company specializing in carpentry, roofing, tinsmithing, skylights, and solar installations.

vbcharpente.ch

Suggestions from the commercial register by distance and activity. Not an endorsement or partnership.

Frequently asked questions

When is the best time to renovate a roof in Fribourg?

It is best to intervene outside of periods of heavy frost, generally between spring and early autumn. This facilitates the work of artisans and ensures better material application.

Should insulation be done at the same time as the roof covering?

Yes, it is highly recommended as it allows you to benefit from support via the Building Programme. Insulating from the outside when replacing the covering is a technically efficient solution.

Do I need to declare my renovation project to the municipality?

Any significant exterior modification often requires authorization. You must imperatively consult Fribourg's urban planning services before signing any quotes.

Can solar panels be installed on an old roof?

Yes, but it is advisable to check the condition of the framework and covering first. If the roof requires future renovation, the works must be coordinated.

What support is available for renovation in Fribourg?

The Building Programme offers support for insulation. The application must be submitted before work begins to be eligible.

What are the risks related to buildings constructed before 1990?

The potential presence of hazardous materials such as asbestos is a major risk. A specialized diagnosis must be carried out before the construction site begins.

How can I deduct my work from my taxes?

Investments in energy efficiency are deductible. If costs exceed property income, the surplus can be carried forward to the following two years.

Useful local data

Altitude

587 m

Heating degree days

3'233 Kj/an

20/12 °C

Frost days

79 jours/an

Solar irradiation

1'346 kWh/m²/an

horizontal

Winter design temperature

-7.7 °C

1er percentile des minimales

Mean temperature

10.1 °C

Estimated solar yield

1'184 kWh/kWc/an

toit ~30° sud, PR 0.8, estimation

Source : swisstopo – service d'altitude (MNT) · Open-Meteo Historical Weather API (réanalyse ERA5, moyenne 2015-2024)

Energy policy

  • Note : Le catalogue communal prévoit des mesures favorisant le développement du chauffage à distance. Document de planification de 2019, pas une preuve des règles en vigueur en 2026.
  • Climate plan : Catalogue des mesures d’accompagnement

Rules of the canton of Fribourg

These rules apply across the whole canton, not only in this town.

Tax deductions

  • Carry-forward : L'excédent des frais d'investissement en matière d'énergie, d'efficacité énergétique et de protection de l'environnement peut être reporté sur les deux périodes fiscales suivantes.
  • Flat rate deduction : 20% (pour immeubles de plus de 10 ans); 10% (pour immeubles de moins de 10 ans)
  • Maintenance costs : Au choix: soit déduction des frais effectifs, soit un forfait de 20% de la valeur locative (20% de l'état locatif ou du revenu brut des immeubles) pour les immeubles de plus de 10 ans. Pour les immeubles de moins de 10 ans, le forfait est de 10%.
  • Energy investments : Les investissements en matière d'énergie renouvelable, d'amélioration de l'efficacité énergétique et de protection de l'environnement, ainsi que les frais de démolition en vue d'une construction de remplacement, sont déductibles. Si les frais déductibles dépassent le revenu de l'immeuble pour la période fiscale courante, l'excédent peut être reporté sur les deux périodes fiscales suivantes.

Source : Administration Cantonale des Impôts du Canton de Fribourg

Works often combined in Fribourg

Other works in Fribourg

Roof renovation in nearby towns