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Awareness & Tips

House renovation & Power engineering – plan lighting and power distribution

from Justin Spörri 05 Dec 2025 0 Comments

A major home renovation is a golden opportunity to modernize and optimize your entire electrical and lighting system. Whether you're renovating individual rooms or remodeling and redesigning the whole house, careful and thoughtful planning of your electrical and lighting systems is absolutely critical and essential for success. A well-planned renovation can give you years of better electrical power and optimal lighting. This comprehensive guide is aimed at families renovating or seniors who want to adapt their homes for accessibility and practicality. We show you specifically and in detail what you should consider regarding lighting and electrical distribution during a renovation to find the best solution.

Understanding the flow of electricity

Before you begin any renovations, first understand how electricity flows and works in your home. Electricity comes from the power company, passes through a meter in your house, and then goes to a main switch or fuse box. From there, electricity is distributed to different circuits throughout the house. Each circuit powers a specific group of outlets or light fixtures. A typical circuit can handle about 15-20 amps before a circuit breaker trips and shuts off the power for protection.

Understanding electrical flow helps you make smart decisions when installing new circuits or outlets. You'll understand why some rooms need more circuits than others. This is fundamental knowledge that will help you when talking to electricians.

Plan with an electrician

The most important first step is to consult a professional and experienced electrician. A good electrician can review your plans and ensure everything is safe, code-compliant, and meets all regulations. Many renovations require an electrician—you can't do everything yourself, and you shouldn't try. An electrician costs between €50 and €150 per hour, but it's an important investment in safety and quality. Talk to several electricians and get multiple quotes to compare prices.

With an experienced electrician, you can plan where new sockets and lights should be placed, how much electrical capacity you need, and how everything can be installed safely and practically. A good electrician also has experience with modern requirements and smart home systems.

Planning the placement of electrical outlets

A common mistake in older homes is poor and inconvenient placement of electrical outlets. There aren't enough outlets, or they're located in awkward places where they're difficult to reach. During a renovation, you can completely correct and optimize this. Carefully consider where you need power. In the living room, you might want outlets next to the sofa for lamps and chargers. In the kitchen, you need outlets at a convenient working height for appliances. A good rule of thumb is that you should never be more than 1.5 meters away from an outlet.

This makes everyday life more practical. You don't need extension cords everywhere. Power outlets are conveniently available when you need them.

Circuit planning

With modern requirements and numerous electronic devices, you may need new and additional electrical circuits. A spacious kitchen with many appliances and electrical devices requires several dedicated circuits. A modern bathroom with safety requirements needs its own circuit. A heating and cooling system also needs dedicated circuits. Good circuit planning prevents overloading and ensures that everything functions safely.

An electrician can calculate how many circuits you need based on the planned appliances. This is more important than many people realize.

Lighting design – function and aesthetics

Lighting isn't just functional – it also defines the aesthetics and atmosphere of a room. During a renovation, you can completely redesign and optimize your lighting. Good lighting design has several layers – ceiling lights for general illumination, wall lights for ambiance and mood, and task lighting for functionality. Carefully consider where you want to install lights. An electrician can advise you on the practical aspects of this.

With good planning, you can place lights at the right height and in the right locations. This is not only practical but also aesthetically pleasing.

LED installation during renovation

A renovation is a great time to switch completely to LED lighting. Install modern fixtures that accept and support LED bulbs. This will give you energy efficiency and a long lifespan. Smart LED systems can also be installed during renovations – this may require some extra planning, but it's worth it.

LEDs save you a lot of money in the long run. You almost never need to change bulbs. They consume less electricity than traditional light bulbs.

Future viability and scalability

When renovating, you should consider future-proofing and flexibility. Don't just install what you need today, but also some extra capacity for the future. You might want to install a home theater or expand a hobby room in the future. With extra electrical circuits, you can do this without major future renovations.

This costs a little more now, but it will save you a lot of money and hassle later. This is a smart investment.

Code and inspections

When renovating, you must comply with local and national electrical codes. These are important safety standards required by your region. After installation, you may be required to have official inspections. An inspector will verify that everything is code-compliant and safe. This is important for safety, as well as for your insurance and the resale value of your home.

A good electrician knows all the local codes and will ensure that your renovation is compliant.

Accessible design for seniors

If seniors live in your home or will be living there soon, consider barrier-free and age-appropriate design. Electrical outlets should be at a reachable height—not on the floor where you have to bend down. Lights should be easy to use—large switches, not small, delicate push buttons. Smart lights with voice control can also be helpful for seniors with mobility issues. A renovation is a great opportunity to make your home age-friendly.

This is not only practical for seniors – it is practical for everyone.

Energy efficiency during renovation

Renovating is the perfect time to optimize your entire energy system. Good insulation is essential – combined with efficient heating and cooling systems. Smart thermostats can save a significant amount of energy. LED lighting is standard. With intelligent planning, you can create a highly energy-efficient home.

This saves a lot of money in energy costs in the long run.

Budget and costs

Renovations are expensive – but proper electrical planning now will save you a lot of money later. Electrical work accounts for roughly 10-15 percent of total renovation costs. With good planning, you can minimize electricity costs. Poor planning can lead to too few or incorrectly placed electrical outlets and lights.

Invest in quality now. It will last for decades.

Summary:

A home renovation is a great opportunity to completely modernize your electrical system. Understand the flow of electricity. Consult a professional electrician. Plan outlet placement practically and widely. Create new circuits based on realistic needs. Plan lighting with both function and aesthetics in mind. Install LED lighting as standard. Think about future-proofing and extra capacity. Comply with local codes and inspections. Consider barrier-free design. Optimize energy efficiency. With good planning now, you can enjoy years of better electricity, better lighting, and lower energy bills. A well-renovated house is a happier house for everyone who lives there.

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