Energy Labels and Sustainability Advice

Fast, personal and officially registered for sale, rental or mortgage application

An official energy label is required for sale or rental, when applying for a mortgage, a label can result in a lower interest rate! We handle the property inspection and official registration in EP-online — certified according to BRL 9500.

Includes property inspection by a certified advisor and registration in EP-online.

⚡ Urgent? We can deliver the energy label within 24 hours.

Calculate the price for your energy label
  • 4.9★ from 63 Google reviews
  • more than 500 homes registered
  • BRL 9500 · EP-online
  • From €220
  • ⚡ Express within 24 hours
Energy Label Scale AZeerEfficiënt BZeerGood CGood DModerate EPoor FZeerPoor GZeerPoor What is your energy label? We help you determine it!

Fast inspection and official registration in EP-online

Our Services

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Energy Label Residential

Officially registered energy labels in EP-online for sale, rental or mortgage interest reduction.

Energy label & WWS for renting →

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Sustainability Advice for Homes

Thorough inspection by certified advisors with years of experience and honest advice on savings opportunities.

View tailored advice →

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Rental Points Count (WWS)

A full WWS points assessment for your rental: we determine how many points your home scores and the maximum legal rent under the Affordable Rent Act.

View the points count →

Why choose Hollands Duurzaam?

500+
500+

More than 500 satisfied customers.

⚡ Fast

Standard delivery in a few business days, express service available within 24 hours.

💳 No Prepayment

No down payment needed — you only pay for your energy label upon receipt.

🤝 Personal

No call center or marketplace: you get one dedicated advisor (Mark) who inspects your home personally. Small and personal — reflected in our 4.9/63 reviews.

Our Certifications

Officially certified for your confidence

BRL 9500-MWA-W

BRL 9500 Certified

We work according to the official assessment guidelines for energy performance advice for residential buildings. This is a legal requirement to be allowed to issue official energy labels.

InstallQ Recognized

Recognized by InstallQ — the independent quality organization which manages BRL certifications in the installation and energy industry.

Central Register Engineering

Listed in the Central Register Engineering — the public register of recognized technical companies in the technical installation sector.

What Our Customers Say

more than 500 satisfied customers

⭐⭐⭐⭐⭐
4.9 / 5
average from 63 Google reviews
⭐⭐⭐⭐⭐

"I had a very pleasant interaction with Mark van Hollands Duurzaam. Everything was arranged quickly and carefully with excellent service! I can certainly recommend Hollands Duurzaam."

— Sandy van Rees

⭐⭐⭐⭐⭐

"Clearly experienced and skilled person. Also friendly and neat, especially nice when someone needs to go through your entire house for making an energy label. Also punctual and properly kept all appointments. Pleasant experience from our perspective!"

— Rick H.

⭐⭐⭐⭐⭐

"Very nice company with good communication. The website states energy label takes about 3 weeks but it was arranged faster. I would have the next energy label assessed by this company again."

— Monique Duijvestijn

⭐⭐⭐⭐⭐

"Quick response, certificate ready within 1 day, professional, nice contact. Recommended!"

— Jesper de Knegt

View all reviews on Google

Frequently asked questions about energy labels

How much does an energy label for a home cost?
At Hollands Duurzaam an energy label starts from €220 including VAT, the home inspection and official registration in EP-online. The exact price depends on the type and floor area of the home. Use our price calculator to get the price for your address in 10 seconds. Also see the full price overview per property type in our article 'What does an energy label cost in 2026?'.
How quickly will I receive my energy label?
After the home inspection we usually deliver the energy label within a few working days. In a hurry, for example for a sale or transfer? Express delivery within 24 hours is possible.
Is an energy label mandatory when selling or renting?
Yes. A valid energy label registered in EP-online is legally required when you sell or rent out a home. Without one, the Human Environment and Transport Inspectorate (ILT) can impose a fine: as of 1 January 2026, €515 for private individuals and €1,030 for legal entities.
How long is an energy label valid?
An energy label is valid for 10 years from its registration date. For any sale or rental within that period you can use the existing label; after that a new one is needed.
Which region do you cover?
Our office is in Woerden and we work throughout the Green Heart (Groene Hart) and the surrounding Randstad, from Utrecht, Gouda, Alphen aan den Rijn and Oudewater to Leiden, The Hague and Rotterdam. Check our full service area for your town.
How much does a rush energy label cost?
A rush energy label delivered within 24 hours is available for a surcharge on top of our standard rate. This is handy when you are close to the transfer or listing of your home. Contact us for the exact price and the available options.
Do I need to be home during the inspection?
Yes, someone needs to give our adviser access to the property, including the attic, meter cupboard and heating system. The on-site inspection takes about 30 to 45 minutes and requires no preparation on your part.
What is the difference between a provisional and a definitive energy label?
The old provisional energy label is no longer valid as of 1 January 2021. Since then, only a certified EPA adviser may draw up a definitive energy label based on an on-site inspection (the NTA 8800 method) and register it in the national EP-online register. Only that definitive label is legally valid when selling or renting.
How can I look up an existing energy label?
Every registered energy label is stored in the national EP-online register. Enter an address in our energy label lookup tool and you can immediately see the energy class, the registration date and the label's expiry date.
Why is the U-value on my energy label higher than the U-value on my glazing invoice?
Your glazing invoice shows the U-value of the glass only (Ug). The energy label uses the U-value of the whole window including the frame (Uw). Because a frame insulates less well than the glass, that value is always somewhat higher. Is the difference large? Then the label often uses a conservative default value because the exact details of the glass and frame are missing. If you provide us with the glazing specification and the frame type, we can use the actual, and usually more favourable, value.

Calculate the price for your energy label

BRL 9500 certified · From €220 · Ready within a few business days.

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Free with every order: personal improvement advice during your home inspection.
1 Details 2 Inspection 3 Calculation 4 Registration ✓ Done!
Fast and easy application in 4 steps

Contact Details

📍 Location

Merelstraat 5
3443 AT Woerden

📞 Phone number

0348-794 092

📧 Email

kantoor@hollandsduurzaam.nl

⭐ Google Reviews

View our reviews on Google Maps

📞 Calculate the price for your energy label