Roof renovation · Gossau (SG)

Roof renovation in Gossau (SG)

Indicative price, tips, grants and companies for your project in Gossau (SG) (St. Gallen).
Roof renovation – Gossau (SG)

At a glance

Typical budget
CHF 26'400 – CHF 58'300
Midpoint
CHF 40'000
Grants found
0
Nearby companies
4

Worked examples in Gossau (SG)

Small project

CHF 14'600 – CHF 33'500

Typical project

CHF 26'400 – CHF 58'300

Large project

CHF 44'200 – CHF 95'500

ProjectQuantityLowHigh
Small project70 m²CHF 14'600CHF 33'500
Typical project140 m²CHF 26'400CHF 58'300
Large project245 m²CHF 44'200CHF 95'500

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

Cost split (typical project)

  • Labour : CHF 20'000 (50 %)
  • Materials : CHF 16'000 (40 %)
  • Other costs : CHF 4'000 (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

Gossau (SG)'s housing stock in figures

In Gossau (SG), the federal building register lists 2'643 residential buildings and 8'926 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.

58 %built before 1980
60 %heated by oil or gas
16.5 %electric hot water
4.3 %with declared solar thermal

Age of residential buildings

58 % built before 1980

  • Before 191922 %
  • 1919–19454 %
  • 1946–196010 %
  • 1961–19709 %
  • 1971–198013 %
  • 1981–199011 %
  • 1991–200013 %
  • 2001–20108 %
  • Since 20119 %

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

Main heating energy

35 % · Gas

  • Gas35 %
  • Heat pump31 %
  • Heating oil25 %
  • Wood6 %
  • Electricity2 %

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

Heating and hot water: which energies?

EnergyHeatingHot water
Gas35 %28.5 %
Heating oil25 %17.1 %
Heat pump31 %30.6 %
Electricity2 %16.5 %
Wood6 %2.6 %
Solar thermal0 %4.3 %

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)64.4 %
  • Heat pump31.2 %
  • Central electric heating2.2 %
  • Condensing boiler1.4 %

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

Houses or apartment buildings?

  • Single-family houses56.5 %
  • Two-dwelling houses9.8 %
  • Apartment buildings (3+)33.7 %

14.8 % of buildings mix housing with shops or offices.

The typical building

storeys (median)
3
median footprint
135 m²
median dwelling area
95 m²

Renovations, heritage and volumes

For your renovation projects in Gossau, the RegBL data provides essential guidance despite partial coverage. Among the 2643 total buildings, 44 have known heritage status, with 18 officially protected; you should contact the municipality early to discuss permit requirements. Regarding building volume, the median figure is 795 m3, which helps determine the scale of potential heating or insulation work. Please note that this volume metric is based on only 9 measured buildings, as 1485 properties rely on different or unknown standards. Utilizing these figures allows you to plan your renovation more effectively while respecting local requirements.

18
buildings flagged as protected
status known for 44 of 2'643 buildings; check with the municipality
795 m³
median house volume (SIA 416)
measured for 9 of 1'494 houses

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

Tips before you start

  • Insulating the roof together with the covering is often eligible for the Buildings Programme.
  • Existing solar panels must be removed and refitted: budget for it.
  • At altitude, snow loads and frost influence material choice.

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

Hallenbarter & Russi Gebäudetechnik AG

3988 Obergoms · about 123.5 km

Obergoms-based company specializing in sanitary installations, heating systems, roofing, and tinsmith work for new builds and renovations.

hallenbarter-russi.ch

Dubach Construction Bois Sàrl

2827 Mervelier · about 129.6 km

Dubach Construction Bois Sàrl specializes in timber construction, roofing, and insulation services.

solubois.ch

Welibois S.A.

2747 Seehof · about 132.7 km

Welibois S.A. is a company specializing in carpentry, joinery, insulation, and sawmill services.

welibois.ch

Malerei Top Demestre

2746 Crémines · about 136.4 km

Specialized company for painting, facade renovation, surface cleaning, and wood treatment for both interior and exterior residential projects.

malerei-top-demestre.com

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

Works often combined in Gossau (SG)

Other works in Gossau (SG)

Roof renovation in nearby towns