Thurgau

Renovating in Frauenfeld: A practical guide for homeowners

Welcome to Frauenfeld. Renovating your home is a significant step toward improving comfort and energy efficiency. In this city with its diverse architectural history, careful planning is essential. This guide provides an overview of the local building stock, administrative steps, and renovation priorities. By using data from the federal building registry, you can prepare your project with confidence, ensuring you add value to your property while meeting modern standards. We are here to help you navigate your renovation journey effectively.

Local housing stock

In Frauenfeld, the federal building register lists 4'522 residential buildings and 13'267 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.

58 %built before 1980
70 %heated by oil or gas
15.3 %electric hot water
4.5 %with declared solar thermal

Age of residential buildings

58 % built before 1980

  • Before 191913 %
  • 1919–194512 %
  • 1946–196013 %
  • 1961–19709 %
  • 1971–198011 %
  • 1981–199011 %
  • 1991–200012 %
  • 2001–201010 %
  • Since 201111 %

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

Main heating energy

44 % · Gas

  • Gas44 %
  • Heating oil26 %
  • Heat pump23 %
  • Wood5 %
  • District heating2 %
  • Electricity1 %

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

Heating and hot water: which energies?

EnergyHeatingHot water
Gas44 %40 %
Heating oil26 %23.9 %
District heating2 %1.2 %
Heat pump23 %11.2 %
Electricity1 %15.3 %
Wood5 %3.3 %
Solar thermal0 %3.6 %

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)71.5 %
  • Heat pump22.7 %
  • Condensing boiler2.1 %
  • Heat exchanger (district)1.7 %
  • Stove0.9 %
  • Central electric heating0.8 %

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

Houses or apartment buildings?

  • Single-family houses63.4 %
  • Two-dwelling houses8.6 %
  • Apartment buildings (3+)28 %

9.3 % of buildings mix housing with shops or offices.

The typical building

storeys (median)
2
median footprint
131 m²
median dwelling area
92 m²

Dwellings by number of rooms

4.4 %1 rm
12.9 %2 rm
26.6 %3 rm
30.8 %4 rm
25.3 %5+ rm

Dwellings per building

  • 1 dwelling63.4 %
  • 2 to 415.8 %
  • 5 to 915.4 %
  • 10 to 194.3 %
  • 20 or more1.1 %

Renovations, heritage and volumes

When planning your renovation in Frauenfeld, refer to the federal building registry data to guide your budget. With a median volume of 954 m3 for the 21 houses measured by the SIA 416 standard, you can gauge the scope for heating and insulation work. Please note that data coverage is partial, as most buildings rely on other standards. Since information regarding renovation years and heritage protection is not currently recorded, you should consult the municipality directly early in your process to confirm local regulations and requirements before finalizing any construction plans for your home.

0
buildings flagged as protected
status known for 518 of 4'522 buildings; check with the municipality
954 m³
median house volume (SIA 416)
measured for 21 of 2'869 houses

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

Housing stock and building age

Frauenfeld consists of over 4,500 buildings, mostly single-family homes. The stock is distributed evenly throughout the 20th century. Since data on past renovations is not centralized, a professional assessment is highly recommended.

Most houses are two stories high, which simplifies structural evaluations. If your home was built before the 1980s, an energy-efficient upgrade is likely advisable.

Information regarding heritage protection is not systematically recorded in the federal registry; therefore, you should consult the municipality directly if you have any questions.

A professional survey of your home’s current condition is the best way to prioritize your renovation needs effectively and ensure the long-term value of your property.

Heating and energy

Most homes in Frauenfeld still rely on conventional boilers. However, a transition toward sustainable systems like heat pumps is underway, with a growing number of installations already present.

Before replacing your heating system, assess your building envelope's insulation. Reducing your heating demand often allows for a smaller heat pump, which lowers installation costs.

In the canton of Thurgau, be sure to look for local support programs for energy transitions. Optimizing your domestic hot water system, which is often tied to the heating unit, is another effective way to decrease your annual consumption and utility bills.

Plan your upgrade carefully to enjoy long-term energy efficiency.

Permits and authorizations

For exterior insulation or installing solar panels, a building permit may be necessary. Since information regarding protected heritage status is not centralized, it is mandatory to consult the Frauenfeld planning department before signing any contracts.

They can inform you of constraints specific to your zone and provide the necessary forms for your application. Early clarification protects you from delays and ensures all official requirements are met in a timely manner.

Allow sufficient time for the permit process.

Priorities for owners

For homeowners in Frauenfeld, energy efficiency should be the top priority. Start by analyzing the building envelope: roofs, facades, and windows are key. Reducing heat loss is often more cost-effective than simply upgrading heating power.

Second, evaluate your heating system, focusing on renewable energy sources. Finally, consider modern comfort features like improved ventilation.

Since the federal registry indicates many buildings are over forty years old, a step-by-step renovation plan is essential. Prioritize work that limits long-term energy consumption to increase your property's market value.

A well-planned renovation not only benefits the environment but also secures long-term financial savings.

Using the RenoIndex estimator

RenoIndex is your reference tool for estimating renovation costs in Frauenfeld. For accurate results, use data from your local registry and any technical building documents you have.

Although the median volume of 954 m3 provides a rough guideline, entering your home's actual measurements will ensure a more precise estimate. The prices provided by the tool offer a solid basis for your budget.

Use the results to compare renovation scenarios, such as window replacement versus a full roof overhaul. Remember to include indirect costs like planning fees and permit applications in your financial forecast.

A clear cost overview allows for a secure and efficient implementation of your renovation.

Local data in detail

Choose your works in Frauenfeld

Nearby municipalities : Kreuzlingen · Arbon · Amriswil · Weinfelden · Romanshorn · Aadorf · Sirnach

Frequently asked questions

Where can I find information about subsidies?

For subsidies, consult the official website of the canton of Thurgau. Energy incentive programs, such as the Buildings Program, offer support for insulation and renewable heating systems. Contact the municipality of Frauenfeld for specific local grants that may be available for your renovation project.

How do I know if my building is heritage protected?

The federal registry data does not specify protection status for all buildings in Frauenfeld. Contact the municipal planning department directly to consult the local heritage register and learn about any specific constraints that may apply to your property.

Is the volume data of 954 m3 reliable?

This value is a median based on a limited sample of 21 buildings according to the SIA 416 standard. Use it as a general guideline, but always measure your actual building volume for precise renovation calculations.

Do I need a permit to change my windows?

Whether a permit is required depends on the scope of work and your building's status. Contact the municipal authorities in Frauenfeld before starting, especially if your home is located in a historic area.

What is the average lifespan of heating systems?

Generally, a heating system lasts about 20 years. If your boiler is approaching this age, plan for its replacement and consider ecological solutions to take advantage of cantonal support.