{"type":"document","data":{"id":"509d2c32-6829-43b9-b576-da45bc4e1b2b","localeString":"en-GB","publishDate":"2026-03-20T16:51:57.976+01:00","contentType":"onecms:productPage","hasMacro":false,"flexPageMetadata":{"afmBanner":false,"robotInstruction":{"noIndex":false,"noFollow":false},"description":"Discover how to insulate your home yourself with clear step by step guidance. Learn how to seal draughts, insulate your roof, floor and walls, and choose the right materials to save energy and increase comfort."},"mainHeaderZone":{"componentType":"productHeader","usps":[{"body":"Save energy","icon":{"transformBaseUrl":"https://assets.ing.com/transform/8c26d17d-7d43-4198-b781-ef56ccea808c/icon_bearish_market","type":"image","width":288,"original":"https://assets.ing.com/m/10eaf770e8ccfd3c/original/icon_bearish_market.png","extension":"png"}},{"body":"Increase your home comfort","icon":{"transformBaseUrl":"https://assets.ing.com/transform/61053be1-b435-4f59-94c1-0223a7117f71/icon_mortgage_6","type":"image","width":96,"original":"https://assets.ing.com/m/38e9051fa6813950/original/icon_mortgage_6.png","extension":"png"}},{"body":"Good for the climate","icon":{"transformBaseUrl":"https://assets.ing.com/transform/98836365-e737-4869-a775-07cdf357fc88/icon_plant","type":"image","width":483,"original":"https://assets.ing.com/m/5986d2189ef4ab62/original/icon_plant.png","extension":"png"}}],"coreHeader":{"body":"Good insulation in your home is incredibly valuable. Nothing beats staying warm and comfortable in winter, and in summer you enjoy a cooler home too. And did you know that you can carry out many insulation jobs yourself? It also helps you save money on the work. Together with the knowledge centre Milieu Centraal, we guide you with step by step plans for DIY insulation. Prefer to hire a professional? That is always an option.","headerImage":{"transformBaseUrl":"https://assets.ing.com/transform/c427ddd4-9554-4bc8-8e1c-abe333954a41/climate-action-image2-nl","type":"image","width":800,"altTextNL":"climate action image nl","original":"https://assets.ing.com/m/a354d5c738bd4492/original/climate-action-image2-nl.jpg","extension":"jpg"},"title":"How to insulate your home yourself"},"backLink":{"textLink":{"url":"/en/personal/mortgage/sustainable-living","text":"Upgrade your home"}}},"flexZone":{"flexComponents":[{"componentType":"sectionTitle","title":"Where is your home still losing heat?"},{"componentType":"paragraph","richBody":{"value":"<p><span><span><span>Ready to start insulating but not sure where to begin? With Milieu Centraal’s quick self‑scan, you get insight into what you can do in your home. It takes around 5 to 10 minutes to answer the questions. After that, you can get started.</span></span></span></p>"},"textLinks":[{"url":"https://www.milieucentraal.nl/energie-besparen/isoleren-en-besparen/check-je-isolatie/","text":"Insulation self scan: how good is your insulation? | Milieu Centraal"}]},{"componentType":"sectionTitle","title":"Ready to get started?"},{"componentType":"paragraph","richBody":{"value":"<p><span><span><span>It is important to understand the job properly before you start. It is just as important to carry out the work carefully, so the risk of problems stays as low as possible. Still hesitating? Watching some DIY videos can help you get a better idea of what the job involves and whether it is right for you. And do not hesitate to ask for help. Someone you know might have more DIY experience and be happy to lend a hand.</span></span></span></p>"}},{"componentType":"sectionTitle","title":"How to choose the right insulation material"},{"componentType":"paragraph","richBody":{"value":"<p><span><span><span>When you insulate your home, you can choose from different materials. From glass wool to polystyrene or flax blankets. Some materials are better for the environment than others. But it is also important to consider what best fits your preferences and the part of the home you are insulating, the insulation value of the material and how to apply it correctly.</span></span></span></p>"},"textLinks":[{"url":"https://www.milieucentraal.nl/energie-besparen/isoleren-en-besparen/isolatiemateriaal-kiezen/","text":"Check the tips from Milieu Centraal to choose the right material"}],"alignedImage":{"position":"left","transformBaseUrl":"https://assets.ing.com/transform/ab8eb441-8e13-484d-a675-710d08159592/EPC-simulator-insulation","original":"https://assets.ing.com/m/31deaa6947f0788c/original/EPC-simulator-insulation.jpg","extension":"jpg"}},{"componentType":"paragraph","richBody":{"value":"<p><span><span><span>Did you know that you can receive extra subsidy if you use biobased insulation materials? Biobased insulation material consists of at least 70 percent natural materials. To qualify for the subsidy, the material also needs to have a good environmental score. You can check which insulation materials qualify on the <a href=\"https://assets.ing.com/m/6176fedb2cdd392a/original/ISDE-Meldcodelijst-isolatie.pdf\">official insulation subsidy list</a>.</span></span></span></p>"}},{"componentType":"sectionTitle","title":"Getting started"},{"componentType":"paragraph","richBody":{"value":"<p><span><span><span>Are you ready to get to work? Below you will find the main insulation jobs you can do yourself. That way, you save on the cost of hiring an installation company.</span></span></span></p>"}},{"componentType":"paragraph","title":"Gaps and draughts","richBody":{"value":"<p><span><span><span>Draught makes your home less comfortable. It also leads to unnecessary energy use. You can tackle much of this yourself using draught strips or sealant.</span></span></span></p>"}},{"componentType":"accordion","accordionList":[{"title":"Read more","richBody":{"value":"<p><span><span><span><strong>Finding gaps and draught points</strong></span></span></span></p><p><span><span><span>You can only seal gaps once you know where they are. Think of places such as your letterbox, crawl‑space hatch or doors. But also less obvious spots, like holes in the wall where pipes run through.</span></span></span></p><p><span><span><span>Milieu Centraal offers tips to help you <a href=\"https://www.milieucentraal.nl/energie-besparen/isoleren-en-besparen/naden-en-kieren-dicht/#check-je-huis-op-tocht\">check your home for gaps and draught points</a>.</span></span></span></p><p><span><span><span><strong>DIY guide for sealing gaps and draughts</strong></span></span></span></p><p><span><span><span>Now that you know where your home loses heat, you can get started. With the DIY guide from Milieu Centraal, you discover which materials to use and how to close the gaps.</span></span></span></p>"},"textLinks":[{"url":"https://www.milieucentraal.nl/energie-besparen/isoleren-en-besparen/naden-en-kieren-dicht/#check-je-huis-op-tocht","text":"Seal gaps and draughts for less heat loss | Milieu Centraal"}]}]},{"componentType":"paragraph","title":"Insulating a pitched roof","richBody":{"value":"<p><span><span><span>Are you relatively<span lang=\"NL\" dir=\"ltr\"><span> </span></span>handy? Then you can insulate your pitched roof yourself. It saves you money and increases your comfort. But how do you do it, and what should you look out for?</span></span></span></p>"}},{"componentType":"accordion","accordionList":[{"title":"Read more","richBody":{"value":"<p><span><span><span><strong>Check your roof</strong></span></span></span></p><p><span><span><span>It is important to check whether your roof is suitable for DIY insulation. Milieu Centraal recommends the following:</span></span></span>​​​</p><ul class=\"check-mark\"><li>​​​​​​​<span><span><span><span>Do you have a pitched roof with roof tiles? Then you can insulate it yourself.</span></span></span></span></li><li><span><span><span><span>If insulating from the inside is not possible, you can insulate the roof from the outside. But for that, you should hire a professional.</span></span></span></span></li><li><span><span><span><span>A flat roof or dormer should also be insulated by a professional. If done incorrectly, you risk moisture problems, wood rot or mould.</span></span></span></span></li><li><span><span><span><span>Has your roof already been insulated years ago? Check whether you can improve the insulation by adding an extra layer or replacing the existing one.</span></span></span></span></li></ul><p><span><span><span><strong>Before you start</strong></span></span></span></p><p><span><span><span>Before insulating your pitched roof, you first need to know what lies beneath your roof tiles. This determines which type of foil you need to wrap the insulation material: a vapour‑retardant foil or a climate foil. It also determines which insulation materials are suitable for your roof. On Milieu Centraal’s website you will find tips on how to check this.</span></span></span></p><ul><li><a href=\"https://www.milieucentraal.nl/energie-besparen/isoleren-en-besparen/zelf-dak-isoleren/#voor-je-begint-hoe-ziet-je-dak-eruit\"><span><span><span>Insulating your roof: here is how to do it</span></span></span></a></li></ul><p><span><span><span>Are you ready? Check the <a href=\"https://www.milieucentraal.nl/energie-besparen/isoleren-en-besparen/zelf-dak-isoleren/#stappenplan-dak\">step‑by‑step plan</a> for roof insulation and explore the DIY videos and detailed guide at Milieu Centraal.</span></span></span></p>"}}]},{"componentType":"paragraph","title":"Floor insulation","richBody":{"value":"<p><span><span><span>If your home does not yet have floor insulation, you can insulate the underside of the ground‑floor slab yourself. This gives you warmer feet and lower energy use.</span></span></span></p>"}},{"componentType":"accordion","accordionList":[{"title":"Read more","richBody":{"value":"<p><span><span><span><strong>Before you start</strong></span></span></span></p><p><span><span><span>Not everyone knows whether their floor is already insulated. You can easily check this yourself. Milieu Centraal explains in a video how to do this and where to find the crawl space in your home.</span></span></span></p><ul><li><a href=\"https://www.milieucentraal.nl/energie-besparen/isoleren-en-besparen/zelf-vloer-isoleren/#heb-ik-vloerisolatie-video\"><span><span><span>Insulate your floor: here is how to do it</span></span></span></a></li></ul><p><span><span><span>Insulating the underside of the ground‑floor slab is easier and often cheaper than other types of floor insulation. You enter the crawl space through a hatch and attach the insulation to the underside of the floor.</span></span></span></p><p><span><span><span>There are other ways to insulate your floor, but you can only do them yourself if the crawl space is high enough. If not, it is better to call in a professional.</span></span></span></p><p><span><span><span><strong>Step‑by‑step plan</strong></span></span></span></p><p><span><span><span>Ready to get started? Check the <a href=\"https://www.milieucentraal.nl/energie-besparen/isoleren-en-besparen/zelf-vloer-isoleren/#stappenplan\">step‑by‑step plan</a> for floor insulation and discover the DIY videos and detailed guide at Milieu Centraal.</span></span></span></p>"}}]},{"componentType":"paragraph","title":"External wall insulation","richBody":{"value":"<p><span><span><span>There are different ways to insulate your external walls. Often, <a href=\"https://www.milieucentraal.nl/energie-besparen/isoleren-en-besparen/spouwmuurisolatie/\">cavity‑wall insulation</a> is the most logical choice. But this is a job only professionals can do. If you want to do it yourself, an insulating internal wall is a good way to insulate single‑brick external walls or to improve existing cavity‑wall insulation.</span></span></span><span lang=\"NL\" dir=\"ltr\"><span><span> </span></span></span></p>"}},{"componentType":"accordion","accordionList":[{"title":"Read more","richBody":{"value":"<p><span><span><span><strong>Before you start</strong></span></span></span></p><p><span><span><span>Installing an insulating internal wall is quite a complex and intrusive job. Make sure you are well prepared. For example, check your walls for <a href=\"https://www.milieucentraal.nl/energie-besparen/isoleren-en-besparen/zelf-buitenmuur-isoleren-met-voorzetwand/#voor-je-begint\">mould and moisture</a> before you begin. If you see yellow patches or peeling plaster, it is better to seek advice from a professional insulation company first. There are also a few special situations where you need to take extra care. You can read more about these on <a href=\"https://www.milieucentraal.nl/energie-besparen/isoleren-en-besparen/buitenmuur-isoleren-met-voorzetwand/#check-op-schimmel-en-vocht\">the website of Milieu Centraal</a>.</span></span></span></p><p><span><span><span><strong>Getting started</strong></span></span></span></p><p><span><span><span>Which materials do you need and how do you approach the work? With Milieu Centraal’s step‑by‑step plans, you can install an internal wall with mineral wool or rigid foam boards yourself.</span></span></span></p>"},"textLinks":[{"url":"https://www.milieucentraal.nl/energie-besparen/isoleren-en-besparen/stappenplan-voorzetwand-met-glas-of-steenwol/","text":"Step by step plan for glass wool or stone wool (also suitable for biobased materials such as flax, wood fibre, recycled cotton and hemp fibre)"},{"url":"https://www.milieucentraal.nl/energie-besparen/isoleren-en-besparen/stappenplan-voorzetwand-met-hardschuimplaten/","text":"Step by step plan for rigid foam boards"}]}]},{"componentType":"paragraph","title":"Smart ventilation","richBody":{"value":"<p><span><span><span>Once you are done, do not forget that it is important to keep ventilating properly. Want to know how to do this? <a data-type=\"internal\" href=\"/en/personal/mortgage/sustainable-living/ventilation\">Check out the tips and tricks</a>.</span><strong> </strong></span></span></p>"}},{"componentType":"cta","textLink":{"url":"https://www.ing.nl/punten/productdetail/1017760","text":"You may be able to get discounts on insulation materials in our reward shop."}},{"componentType":"linkList","iconTitle":{"title":"And what’s also useful to know…"},"textLinks":[{"url":"/en/personal/mortgage/sustainable-living/national-heat-fund","text":"National Heat Fund: borrowing on favourable terms"},{"url":"/en/personal/mortgage/sustainable-living/upgrade-your-apartment-with-your-hoa","text":"Making your apartment building more sustainable with your Homeowners’ Association (HOA)"},{"url":"/en/personal/mortgage/sustainable-living/more-green-around-the-house","text":"More greenery around your home"},{"url":"/en/personal/mortgage/sustainable-living/ventilation","text":"Energy-efficient ventilation"},{"url":"/en/personal/mortgage/sustainable-living/heat-pump","text":"How does a heat pump work?"},{"url":"/en/personal/mortgage/sustainable-living/gas-free-living-step-by-step","text":"Going gas-free step by step: here’s how"},{"url":"/en/personal/mortgage/sustainable-living/foundation-risks","text":"Repairing foundations and preventing further damage"},{"url":"/en/personal/mortgage/sustainable-living/energylabels-for-homes","text":"All about energy labels"},{"url":"/en/personal/mortgage/sustainable-living/increase-self-consumption-of-solar-power","text":"How to use more of your own solar power"},{"url":"/en/personal/mortgage/sustainable-living/tips-to-keep-your-house-cool-in-summer","text":"How to keep your home cool in summer"},{"url":"/en/personal/mortgage/sustainable-living/home-battery","text":"Home batteries"}]}]}}}