Roof renovation · Grenchen

Roof renovation in Grenchen: guide and costs

Roof renovation in Grenchen is a key step to ensure the longevity and energy efficiency of your building. Whether improving insulation or replacing worn tiles, this project requires careful planning. Before starting work, it is essential to compare offers and evaluate the necessary budget to avoid surprises. Use the free RenoIndex estimator now to get a precise price range adapted to your renovation project in the canton of Solothurn and plan your investment with confidence and clarity for your home.
Roof renovation – Grenchen

At a glance

Typical budget
CHF 27'000 – CHF 59'500
Midpoint
CHF 40'800
Grants found
0
Nearby companies
4

Worked examples in Grenchen

Small project

CHF 14'900 – CHF 34'200

Typical project

CHF 27'000 – CHF 59'500

Large project

CHF 45'100 – CHF 97'400

ProjectQuantityLowHigh
Small project70 m²CHF 14'900CHF 34'200
Typical project140 m²CHF 27'000CHF 59'500
Large project245 m²CHF 45'100CHF 97'400

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

Cost split (typical project)

  • Labour : CHF 20'400 (50 %)
  • Materials : CHF 16'300 (40 %)
  • Other costs : CHF 4'100 (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

Grenchen's housing stock in figures

In Grenchen, the federal building register lists 3'013 residential buildings and 10'413 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.

68 %built before 1980
81 %heated by oil or gas
17.1 %electric hot water
1 %with declared solar thermal

Age of residential buildings

68 % built before 1980

  • Before 191910 %
  • 1919–194516 %
  • 1946–196024 %
  • 1961–197011 %
  • 1971–19807 %
  • 1981–199010 %
  • 1991–20008 %
  • 2001–20105 %
  • Since 20119 %

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

Main heating energy

52 % · Gas

  • Gas52 %
  • Heating oil29 %
  • Heat pump15 %
  • Wood3 %
  • Electricity1 %

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

Heating and hot water: which energies?

EnergyHeatingHot water
Gas52 %50.8 %
Heating oil29 %22.2 %
Heat pump15 %7.3 %
Electricity1 %17.1 %
Wood3 %1.5 %

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)80.5 %
  • Heat pump14.8 %
  • Condensing boiler2.3 %
  • Central electric heating1 %
  • Stove1 %

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

Houses or apartment buildings?

  • Single-family houses53.6 %
  • Two-dwelling houses11.9 %
  • Apartment buildings (3+)34.4 %
  • Other0.1 %

9.9 % of buildings mix housing with shops or offices.

The typical building

storeys (median)
3
median footprint
125 m²
median dwelling area
87 m²

Renovations, heritage and volumes

For your renovation projects in Grenchen, the official RegBL figures provide essential insights despite partial data coverage. With 4 buildings listed under heritage protection, it is crucial to contact the municipality early to navigate permit requirements. The median building volume of 755 m3, derived from a limited set of 4 measurements, helps define the scale for your insulation or heating upgrade plans. Since renovation years are not recorded and volumetric data is sparse, conducting an on-site assessment remains a necessary step to ensure your renovation budget and planning are accurate and reflective of your specific property.

4
buildings flagged as protected
status known for 177 of 3'013 buildings; check with the municipality
755 m³
median house volume (SIA 416)
measured for 4 of 1'616 houses

Source : OFS — RegBL (export communal complet). Existing residential buildings; percentages of recorded values.

Energy optimization of your roof

Insulating the roof together with the covering is often eligible for the Buildings Programme. This measure significantly reduces heat loss and improves indoor comfort year-round.

By taking advantage of these renovation works to integrate high-performance insulation, you increase the long-term value of your property.

Be sure to check the current conditions applicable in the canton of Solothurn to maximize your savings and ensure the optimal energy efficiency of your renovated roof.

Good planning prevents future costly adjustments and improves the energy balance of your home.

Managing solar panels

Existing solar panels must be removed and refitted : budget for it. This technical operation requires the intervention of specialists to ensure the system functions correctly after the renovation.

By integrating these costs into your overall budget, you avoid financial surprises.

It is advisable to anticipate these expenses during the quote phase to have a clear view of the total costs related to your roof renovation work in Grenchen and ensure your budget remains balanced throughout the project.

Influence of local weather conditions

At altitude, snow loads and frost influence material choice. In Grenchen, as in other regions, weather conditions play a decisive role in selecting roofing materials.

It is crucial to choose resistant materials capable of supporting these specific seasonal constraints of the Swiss climate.

An appropriate choice guarantees not only better sealing but also reduces the frequency of maintenance work needed to preserve the integrity of your roof in the long term. Consider quality products designed for specific altitude-related weather events.

Budgeting with RenoIndex

Roof renovation is a significant investment that requires total cost transparency. To facilitate your planning in Grenchen, our free RenoIndex tool allows you to quickly obtain a reliable price range.

By entering your building's characteristics, you benefit from a realistic estimate that helps you negotiate better with local companies.

Leave nothing to chance and ensure you understand every expense item to carry out your roof renovation project with complete peace of mind and financial clarity.

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

No specific grant listed for this work. Maintenance tax deductions may still apply.

Companies in the area

Freiburghaus et Cie

2743 Eschert · about 7.7 km

Specialized in carpentry, joinery, and timber construction since 1994, including renovations, extensions, and prefabricated elements.

boisfreiburghaus.ch

Widmer Construction Sàrl

2743 Eschert · about 7.7 km

Timber construction company specializing in framing, timber frame prefabrication, and carpentry work in Eschert.

widmersarl.ch

LUMITOIT Sàrl

2603 Péry · about 8.9 km

LUMITOIT Sàrl specializes in the installation, repair, and replacement of roof windows and blinds.

lumitoit.ch

E. Vauclair SA

2504 Biel/Bienne · about 9.2 km

Operating in Biel/Bienne since 1948, E. Vauclair SA provides plumbing, heating and solar installations, architectural sheet metalwork, roofing and flat roof renovation.

vauclair.ch

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

Frequently asked questions

Is a building permit required for roof renovation in Grenchen?

The need for a permit depends on the scope of work and any changes to the structure or exterior appearance. It is recommended to contact your local planning department to confirm specific local requirements.

How to estimate the total cost of my roof?

Use the free RenoIndex estimator. By entering your roof details, you will get an indicative price range based on market standards to help you prepare your budget.

Are there financial aids for insulation?

Yes, the Buildings Programme supports energy efficiency measures, such as thermal insulation. Check the eligibility criteria and application procedures with the relevant authorities in the canton of Solothurn.

Should I insulate the roof if I change the tiles?

It is an ideal opportunity. Taking advantage of the tile removal to insulate allows for significant economies of scale while potentially benefiting from energy grants.

Works often combined in Grenchen

Other works in Grenchen

Roof renovation in nearby towns