{"id":29569,"date":"2025-06-22T08:29:06","date_gmt":"2025-06-22T08:29:06","guid":{"rendered":"https:\/\/zeas.immo\/?p=29569"},"modified":"2026-03-04T22:56:22","modified_gmt":"2026-03-04T22:56:22","slug":"energy-performance-certificate-luxembourg","status":"publish","type":"post","link":"https:\/\/zeas.immo\/en\/energy-performance-certificate-luxembourg\/","title":{"rendered":"Energy Performance Certificate Luxembourg: The Buyer&#8217;s Complete Guide"},"content":{"rendered":"<div id=\"bsf_rt_marker\"><\/div>\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h2>Table of Contents<\/h2><nav><ul><li><a href=\"#what-the-energy-performance-certificate-luxembourg-issues-for-every-property-actually-contains\">What the Energy Performance Certificate Luxembourg Issues for Every Property Actually Contains<\/a><\/li><li><a href=\"#how-the-energy-performance-certificate-luxembourg-registers-translates-to-price\">How the Energy Performance Certificate Luxembourg Registers Translates to Price<\/a><\/li><li><a href=\"#new-build-vs-existing-stock-what-the-certificate-looks-like-in-each-case\">New Build vs Existing Stock: What the Certificate Looks Like in Each Case<\/a><\/li><li><a href=\"#klimabonus-the-subsidy-framework-that-changes-the-renovation-maths\">Klimabonus: The Subsidy Framework That Changes the Renovation Maths<\/a><\/li><li><a href=\"#heat-pumps-fossil-fuel-phase-out-and-what-it-means-for-older-properties\">Heat Pumps, Fossil Fuel Phase-Out, and What It Means for Older Properties<\/a><\/li><li><a href=\"#financing-and-tax-considerations-for-high-performing-properties\">Financing and Tax Considerations for High-Performing Properties<\/a><\/li><li><a href=\"#four-things-to-check-on-the-certificate-before-making-an-offer\">Four Things to Check on the Certificate Before Making an Offer<\/a><\/li><li><a href=\"#energy-performance-certificate-luxembourg-hesperange-specific-considerations\">Energy Performance Certificate Luxembourg: Hesperange-Specific Considerations<\/a><\/li><li><a href=\"#conclusion\">Conclusion<\/a><ul><li><a href=\"#adrian-buzea\">Adrian Buzea<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n\n\n<p>The energy performance certificate Luxembourg requires for every property transaction is the single most underused tool in a buyer&#8217;s research process. Most buyers glance at the rating class, note whether it is good or bad, and move on. That is a mistake \u2014 because the certificate contains specific information that directly affects your purchase price, your running costs, your renovation budget, your mortgage terms, and your resale position. This guide explains what the certificate contains, how it moves prices across Luxembourg&#8217;s regions, and what to do with the information before you make an offer.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"what-the-energy-performance-certificate-luxembourg-issues-for-every-property-actually-contains\">What the Energy Performance Certificate Luxembourg Issues for Every Property Actually Contains<\/h2>\n\n\n\n<p>The energy performance certificate \u2014 known in French as the <em>Certificat de Performance \u00c9nerg\u00e9tique<\/em>, or CPE \u2014 is a mandatory document for every property sale and rental in Luxembourg. It has been required since the Grand-Ducal regulation of 30 November 2007 and remains valid for 10 years from the date of issue. Certificates must be provided by the seller or landlord before any transaction completes. You can verify the current regulatory framework on the <a href=\"https:\/\/www.klima-agence.lu\/en\/energy-performance-certificate-buildings\" target=\"_blank\" rel=\"noopener\">Klima-Agence website<\/a>, Luxembourg&#8217;s official energy advisory body.<\/p>\n\n\n\n<p>The document carries three separate ratings, each running from A+ (best) to I (lowest):<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Energy performance class<\/strong> \u2014 the building&#8217;s primary energy consumption, expressed in kWh\/m\u00b2 per year<\/li>\n\n\n\n<li><strong>Thermal insulation class<\/strong> \u2014 how effectively the building envelope retains heat in winter and stays cool in summer<\/li>\n\n\n\n<li><strong>Environmental performance class<\/strong> \u2014 CO\u2082 emissions from the building&#8217;s energy use<\/li>\n<\/ul>\n\n\n\n<p>These three ratings together give you a layered picture. A property rated A\/A\/A consumes near-zero energy, loses minimal heat through walls and windows, and produces minimal emissions. A property rated G\/H\/I is expensive to heat, thermally uncomfortable in both seasons, and increasingly difficult to finance or resell as market expectations shift. The composite rating is what appears on the listing \u2014 but the individual components matter for understanding which improvements are realistic and which subsidies apply.<\/p>\n\n\n\n<p>Since January 2017, all new buildings in Luxembourg must achieve an AAA rating and meet the NZEB standard \u2014 Nearly Zero Energy Building \u2014 meaning near-zero primary energy consumption. Every new-build property issued a permit from that date onward arrives with this performance level built in. Older stock carries no such guarantee, which is precisely why reading the energy performance certificate Luxembourg registers for each property is essential when evaluating anything built before 2017.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"how-the-energy-performance-certificate-luxembourg-registers-translates-to-price\">How the Energy Performance Certificate Luxembourg Registers Translates to Price<\/h2>\n\n\n\n<p>This is where the certificate stops being an administrative formality and becomes a negotiation tool. According to data from the <a href=\"https:\/\/observatoire.liser.lu\" target=\"_blank\" rel=\"noopener\">Observatoire de l&#8217;Habitat<\/a>, properties in classes A, B, and C sell for an average of <strong>9.9% more<\/strong> than comparable homes in classes D, E, and F. The gap widens considerably at the extremes: high-performing properties command a premium of <strong>38.3% over homes rated G, H, or I<\/strong>.<\/p>\n\n\n\n<p>Translated to price per square metre by region, the Q2 2025 figures look like this:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Region<\/th><th>Price gap (A\u2013C vs F\u2013G) per m\u00b2<\/th><\/tr><\/thead><tbody><tr><td>Centre Luxembourg<\/td><td>\u20ac1,358<\/td><\/tr><tr><td>South<\/td><td>\u20ac1,112<\/td><\/tr><tr><td>West<\/td><td>\u20ac958<\/td><\/tr><tr><td>East<\/td><td>\u20ac938<\/td><\/tr><tr><td>North<\/td><td>\u20ac743<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>On a 90 m\u00b2 apartment in Centre Luxembourg, that gap exceeds \u20ac120,000. It is not a rounding error in your budget \u2014 it is a structural price difference driven by the market&#8217;s collective read of future running costs, renovation liability, and long-term resale risk.<\/p>\n\n\n\n<p>The buyer behaviour data reinforces this: 57% of purchasers of G-H-I rated homes plan renovation work after purchase, compared to just 16% of buyers of high-performance properties. When you look at a low-rated property, the market has already partially priced in that renovation expectation. Your job is to verify whether it has been priced in correctly \u2014 which means modelling the actual improvement cost before signing, not after.<\/p>\n\n\n\n<p>Our <a href=\"https:\/\/zeas.immo\/en\/property-cost-calculator\/\">property cost calculator<\/a> lets you build in renovation estimates alongside purchase price, notary fees, and registration costs so you are working from a true total figure.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"new-build-vs-existing-stock-what-the-certificate-looks-like-in-each-case\">New Build vs Existing Stock: What the Certificate Looks Like in Each Case<\/h2>\n\n\n\n<p>Luxembourg&#8217;s housing market divides into two clearly different energy performance realities.<\/p>\n\n\n\n<p><strong>New construction<\/strong> issued a building permit from January 2017 onward arrives with AAA certification by regulatory requirement. Off-plan purchases and recent completions in areas such as Gasperich, Kirchberg, Howald, and Itzig typically carry this standard. You pay a new-build premium upfront, but the energy performance certificate Luxembourg issues for these properties carries no renovation risk.<\/p>\n\n\n\n<p><strong>Existing buildings<\/strong> are the more complex case. A significant share of Luxembourg&#8217;s housing stock was built in the 1960s through 1990s \u2014 often with minimal insulation, single-glazed windows, and oil or gas heating. These properties can offer attractive entry prices, but the energy performance certificate will reflect decades of construction standards that predate any modern efficiency requirement.<\/p>\n\n\n\n<p>As of Q2 2025, 65% of new listings in Luxembourg carry a Class A rating, according to market data \u2014 a strong signal that supply is tilting toward high-performance stock. Properties sitting at Class E or below face growing headwinds as buyer expectations, financing requirements, and eventual regulatory tightening all push in the same direction.<\/p>\n\n\n\n<p>When we evaluate a property for a client in Hesperange \u2014 whether in Alzingen, Fentange, Itzig, Howald, or Hesperange village \u2014 we read the energy performance certificate alongside the age of the heating system, the visible condition of the building envelope, and how realistic any improvement path is given the structure. Our guide on <a href=\"https:\/\/zeas.immo\/old-property-renovation-new\/\">old property renovation versus new construction<\/a> walks through how to think about that trade-off in practical cost terms.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"klimabonus-the-subsidy-framework-that-changes-the-renovation-maths\">Klimabonus: The Subsidy Framework That Changes the Renovation Maths<\/h2>\n\n\n\n<p>If you are considering a lower-rated property as a deliberate renovation project, understanding the Klimabonus programme before you negotiate is essential. The subsidy structure is generous enough to meaningfully change what a renovation actually costs you \u2014 but only if you plan correctly.<\/p>\n\n\n\n<p>The Klimabonus Wunnen scheme is Luxembourg&#8217;s primary grant programme for residential energy renovation. It applies to buildings older than 10 years and covers work on thermal envelopes (insulation, external walls, roof, windows), controlled mechanical ventilation \u2014 VMC, or <em>ventilation m\u00e9canique contr\u00f4l\u00e9e<\/em> \u2014 and renewable heating systems including heat pumps, wood-fired boilers, and district heating connections. The full aid simulator and application process are available at <a href=\"https:\/\/www.klimabonus.lu\" target=\"_blank\" rel=\"noopener\">klimabonus.lu<\/a> and via <a href=\"https:\/\/guichet.public.lu\/en\/citoyens\/logement\/aides\/klimabonus\/aide-financiere-renovation-energetique-logement-conseil-energie.html\" target=\"_blank\" rel=\"noopener\">Guichet.lu<\/a>.<\/p>\n\n\n\n<p>Key rates currently in effect:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Up to 62.5% of renovation costs<\/strong> for comprehensive energy renovation packages<\/li>\n\n\n\n<li><strong>50% replacement bonus<\/strong> when transitioning from a fossil-fuel boiler to a heat pump, hybrid heat pump, or wood-fired system<\/li>\n\n\n\n<li><strong>25% additional bonus<\/strong> for renovation measures including controlled mechanical ventilation, available for projects where an <em>accord de principe<\/em> (agreement in principle) was submitted by 31 December 2025<\/li>\n<\/ul>\n\n\n\n<p>The Klimabonus Wunnen scheme has been extended through 2029: renovation work invoiced up to 31 December 2029 is eligible, provided the initial <em>accord de principe<\/em> was submitted by 31 December 2025. Stand-alone renewable installation invoices not linked to a full renovation package must have been issued by 31 December 2025 to qualify.<\/p>\n\n\n\n<p>One rule that catches buyers out repeatedly: the <em>accord de principe<\/em> must be approved by the Guichet unique des aides au logement <strong>before<\/strong> any contract is signed or any work begins. Work started without prior approval is automatically disqualified from subsidy, with no exceptions.<\/p>\n\n\n\n<p>A reduced VAT rate of 3% \u2014 versus the standard 17% \u2014 applies to renovation work on primary residences up to \u20ac50,000 per housing unit. This is a permanent housing measure, not a time-limited incentive, subject to eligibility conditions and a 10-year primary residence requirement.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heat-pumps-fossil-fuel-phase-out-and-what-it-means-for-older-properties\">Heat Pumps, Fossil Fuel Phase-Out, and What It Means for Older Properties<\/h2>\n\n\n\n<p>Since January 2023, heat pumps have been the reference heating system for new buildings in Luxembourg, making the AAA rating practically unachievable with a conventional gas or oil boiler. The European Commission&#8217;s guidance, which discontinued financial incentives for new stand-alone fossil fuel boilers from January 2025, sets the wider European direction.<\/p>\n\n\n\n<p>For buyers evaluating existing properties, a fossil fuel heating system on the energy performance certificate is both a cost signal and a subsidy opportunity. The Klimabonus 50% replacement bonus makes transitioning to a heat pump materially cheaper when subsidy is factored in \u2014 but that calculation only works if you do it before making your offer, not after.<\/p>\n\n\n\n<p>Heat pump installations carry specific technical requirements: hydraulic balancing of the heating circuit, an electricity meter, and for systems invoiced from January 2024, a heat meter. Buffer tanks with a minimum capacity of 30 l\/kW thermal are required for existing residential buildings. These installation costs belong in your renovation budget from day one.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"financing-and-tax-considerations-for-high-performing-properties\">Financing and Tax Considerations for High-Performing Properties<\/h2>\n\n\n\n<p>Luxembourg&#8217;s lenders increasingly factor the energy performance certificate rating into their risk assessment. Properties rated A or B are considered lower long-term risk because they face less exposure to future regulatory requirements, carry lower remediation liability, and are easier to refinance or resell. Several institutions offer preferential mortgage terms for high-rated properties, and A+ rated properties attract transfer tax advantages at the point of purchase.<\/p>\n\n\n\n<p>The B\u00ebllegen Akt tax credit \u2014 permanently set at \u20ac40,000 per person, or \u20ac80,000 per couple, from 1 July 2025 \u2014 is available to all homebuyers regardless of the property&#8217;s energy class. However, buyers of high-performing properties typically make fuller use of it because they do not absorb the credit against post-purchase renovation costs.<\/p>\n\n\n\n<p>The temporary measures that were in place before July 2025 \u2014 the reduced registration fee of 3.5% and the reduced capital gains tax rate of 10% \u2014 both ended on 30 June 2025. Standard rates now apply: 7% registration fee and 20% capital gains tax.<\/p>\n\n\n\n<p>Our <a href=\"https:\/\/zeas.immo\/en\/financing-property-luxembourg\/\">property financing and mortgage guide<\/a> explains how to present your energy performance situation to lenders and what documentation they expect.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"four-things-to-check-on-the-certificate-before-making-an-offer\">Four Things to Check on the Certificate Before Making an Offer<\/h2>\n\n\n\n<p>When we review an energy performance certificate with a client, we focus on four specifics beyond the headline class:<\/p>\n\n\n\n<p><strong>1. Date of issue.<\/strong> A certificate issued 8 years ago on a property with no renovation work tells you the original baseline. A certificate issued after recent work tells you what was achieved \u2014 check which it is before drawing any conclusion.<\/p>\n\n\n\n<p><strong>2. Heating system type and age.<\/strong> The certificate records the heating system. A 15-year-old oil boiler is a future replacement cost that belongs in your offer calculation, not your post-purchase discovery.<\/p>\n\n\n\n<p><strong>3. The thermal insulation class in isolation.<\/strong> A property can show a moderate primary energy class partly through solar panel generation while still having poor insulation. Poor insulation means poor comfort and high heating demand regardless of renewable generation \u2014 and it is the thermal class that tells you this.<\/p>\n\n\n\n<p><strong>4. The gap to the next class up.<\/strong> The certificate includes improvement recommendations. Check whether moving up one class requires a single targeted intervention \u2014 roof insulation, window replacement \u2014 or a full multi-trade renovation. That distinction drives both your cost estimate and your Klimabonus eligibility scenario.<\/p>\n\n\n\n<p>The complete buying process, including how to sequence the EPC review with your offer and financing application, is covered in our <a href=\"https:\/\/zeas.immo\/en\/property-buying-process-in-luxembourg\/\">guide to buying property in Luxembourg<\/a>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"energy-performance-certificate-luxembourg-hesperange-specific-considerations\">Energy Performance Certificate Luxembourg: Hesperange-Specific Considerations<\/h2>\n\n\n\n<p>In Hesperange commune \u2014 Alzingen, Fentange, Itzig, Howald, and Hesperange village \u2014 the energy performance picture reflects the broader Luxembourg market with distinct local characteristics. Howald and the Itzig\u2013Fentange development corridor have seen substantial new-build activity in recent years, with AAA-rated apartments and houses now making up the majority of new listings in those areas. Hesperange village and parts of Alzingen contain older housing stock from the 1970s and 1980s where renovation potential is genuine, but the improvement path requires careful assessment given building typology and lot constraints.<\/p>\n\n\n\n<p>In a high-demand commune where price per m\u00b2 consistently sits above the national average, the energy performance premium is clearly visible in transaction data. A well-renovated property achieving Class B in Fentange or Alzingen commands a meaningfully different per-m\u00b2 price than an unrenovated Class F equivalent in the same street \u2014 and the Klimabonus subsidy environment makes the improvement arithmetic more favourable than in most European markets.<\/p>\n\n\n\n<p>We track actual transaction prices per sub-commune in Hesperange, not asking prices, and can show you exactly what the energy class premium looks like in the specific street or development you are considering.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"conclusion\">Conclusion<\/h2>\n\n\n\n<p>The energy performance certificate Luxembourg requires for every property sale is one of the most information-dense documents in the transaction \u2014 and most buyers read it in 30 seconds. Taking the time to understand what the three rating classes mean, how they translate to price differences, what renovation paths they imply, and which subsidies apply to your specific situation is not optional for anyone buying seriously in this market.<\/p>\n\n\n\n<p>If you want help reading the energy performance certificate on a specific property you are considering \u2014 including realistic renovation cost modelling, Klimabonus eligibility assessment, and a comparable price analysis for the local area \u2014 we are here to work through it with you.<\/p>\n\n\n\n<p>Use our <a href=\"https:\/\/zeas.immo\/en\/property-cost-calculator\/\">property cost calculator<\/a> to model the true total cost including any renovation, or <a href=\"https:\/\/zeas.immo\/en\/contact\/\">contact us directly<\/a> to discuss the property you have in mind.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/secure.gravatar.com\/avatar\/9ada08748e01fbe0c23cfddce165841ea116daf4ac8a96be4ae72180e5272954?s=300&amp;d=mm&amp;r=g\" alt=\"Picture of Adrian Buzea\"\/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"adrian-buzea\">Adrian Buzea<\/h4>\n\n\n\n<p>Adrian Buzea is the founder of <a href=\"https:\/\/zeas.immo\/\" target=\"_blank\" rel=\"noopener\">zeas.immo<\/a>, a Hesperange-focused real estate agency specialising in buyer representation, property sales, and landlord services.<\/p>\n\n\n\n<p>With 23 years of experience managing complex, data-driven programmes at Amazon and DPD \u2014 spanning large-scale logistics operations, multi-country technology implementations, and end-to-end supply chain transformations \u2014 Adrian brings a level of analytical rigour and structured decision-making that is rare in real estate.<\/p>\n\n\n\n<p>He has lived in Hesperange for several years and navigated the Luxembourg property market first-hand as a buyer, which is the direct experience behind zeas.immo. Every client mandate is treated as a project: scoped carefully, executed with data, and delivered with precision.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.linkedin.com\/in\/dragosbuzea\/\" target=\"_blank\" rel=\"noopener noreferrer\">Connect with Adrian on LinkedIn<\/a><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The energy performance certificate Luxembourg requires for every property transaction is the single most underused tool in a buyer&#8217;s research process. Most buyers glance at the rating class, note whether it is good or bad, and move on. That is a mistake \u2014 because the certificate contains specific information that directly affects your purchase price, [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":48342,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[261],"tags":[298,297,373,296],"class_list":["post-29569","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-buying_guide","tag-efficiency","tag-energy","tag-performance","tag-sustainability"],"_links":{"self":[{"href":"https:\/\/zeas.immo\/en\/wp-json\/wp\/v2\/posts\/29569","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/zeas.immo\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/zeas.immo\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/zeas.immo\/en\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/zeas.immo\/en\/wp-json\/wp\/v2\/comments?post=29569"}],"version-history":[{"count":2,"href":"https:\/\/zeas.immo\/en\/wp-json\/wp\/v2\/posts\/29569\/revisions"}],"predecessor-version":[{"id":48344,"href":"https:\/\/zeas.immo\/en\/wp-json\/wp\/v2\/posts\/29569\/revisions\/48344"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/zeas.immo\/en\/wp-json\/wp\/v2\/media\/48342"}],"wp:attachment":[{"href":"https:\/\/zeas.immo\/en\/wp-json\/wp\/v2\/media?parent=29569"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/zeas.immo\/en\/wp-json\/wp\/v2\/categories?post=29569"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/zeas.immo\/en\/wp-json\/wp\/v2\/tags?post=29569"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}