July 2, 2025






The value of your rental property depends heavily on the rent you can charge. With a Free Sector Analysis from Renewable Partners, you can increase your WWS points, improve your energy label, and rent out your property on the free market. Read how this can increase the value of your property!
A Free Sector Analysis evaluates your rental property to determine how you can bring it above the liberalization threshold. By increasing WWS points through energy-efficient upgrades, such as insulation or a heat pump, you can rent out your property in the free sector and charge higher rents.
With our WWS optimization, you benefit from:
We analyze your home based on location, amenities, and energy label. Our experts calculate the WWS points and suggest sustainable improvements, such as HR++ glass or airtightness measures (see our airtightness measurement). Within 5 business days, you will receive a certified report with actionable advice.
With changing regulations, such as the Affordable Rent Act, it is essential to make your property future-proof. Our Free Sector Analysis, starting at €650 ( excluding VAT) , helps you comply with rent commission requirements and maximizes your return. We offer nationwide service with no call-out charges.
Increase the value of your rental property with our WWS Optimization Report. Contact us for a free quote and discover how you can optimize your real estate!
The difference lies mainly in the degree of insulation and the proportion of sustainably generated energy. An A label can be achieved with good insulation and an efficient installation. For A+++, more is needed: a large proportion of the energy must be generated sustainably, for example with solar panels and a heat pump.
The energy label is determined based on the fossil energy consumption of the home, expressed in kWh/m² per year. For an A label, this value is between 105 and 160 kWh/m² per year. With good insulation, an A label is easily achievable. Homes built after 1991 often already have sufficient basic insulation to fall into this category. Solar panels are therefore not necessarily required to achieve an A label.
Practical experience – reliable energy expertise and results-oriented collaboration
We help property owners become more sustainable through energy labels, WWS advice, and customized reports.
For housing associations, investors, municipalities, and anyone who wants to make their real estate more sustainable.
It shows how many points your home is worth and how you can increase the rental value in a smart way.
Rates starting at €250 and delivered within 5 business days, depending on the type of home.

The value of your rental property depends heavily on the rent you can charge. With a Free Sector Analysis from Renewable Partners, you can increase your WWS points, improve your energy label, and rent out your property on the free market. Read how this can increase the value of your property!
A Free Sector Analysis evaluates your rental property to determine how you can bring it above the liberalization threshold. By increasing WWS points through energy-efficient upgrades, such as insulation or a heat pump, you can rent out your property in the free sector and charge higher rents.
With our WWS optimization, you benefit from:
We analyze your home based on location, amenities, and energy label. Our experts calculate the WWS points and suggest sustainable improvements, such as HR++ glass or airtightness measures (see our airtightness measurement). Within 5 business days, you will receive a certified report with actionable advice.
With changing regulations, such as the Affordable Rent Act, it is essential to make your property future-proof. Our Free Sector Analysis, starting at €650 ( excluding VAT) , helps you comply with rent commission requirements and maximizes your return. We offer nationwide service with no call-out charges.
Increase the value of your rental property with our WWS Optimization Report. Contact us for a free quote and discover how you can optimize your real estate!
Practical experience – reliable energy expertise and results-oriented collaboration

We help property owners become more sustainable through energy labels, WWS advice, and customized reports.
For housing associations, investors, municipalities, and anyone who wants to make their real estate more sustainable.
It shows how many points your home is worth and how you can increase the rental value in a smart way.
Rates starting at €250 and delivered within 5 business days, depending on the type of home.