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  1. Welcome to Planning Portal
  2. Do you need permission?
  3. Common projects
  4. Energy saving
  5. Loft Insulation

Energy saving

Loft Insulation
  1. How can I save energy in my home?
  2. Glazing
  3. Loft Insulation
  4. Cavity Wall Insulation
  5. Solid Wall Insulation
  6. Floor Insulation
  7. Heating and hot water
  8. Other Insulation
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Loft Insulation

Without loft insulation you could be losing as much as a third of your heating costs through your roof. Insulating your loft is a simple and effective way to reduce your heating bills and you can even do it yourself.

It acts as a blanket, trapping heat rising from the house below. You should also consider lagging your pipes at the same time for optimum efficiency.

For more on installing loft insulation, costs, savings and other considerations see the Energy Saving Trust information page1.

View information on the planning and building regulations regimes covering insulation in our common projects section2.


Other Links

  • National Insulation Association3

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    1. https://www.energysavingtrust.org.uk/home-insulation/roof-and-loft
    2. https://www.planningportal.co.uk/permission/common-projects/insulation
    3. https://www.nia-uk.org/

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    This is an introductory guide and is not a definitive source of legal information. Guidance is based on national rules, but additional local rules may also affect what permissions are needed. You should check if this is the case before applying or starting work.
    Guidance here relates to the planning regime for England, the policy in Wales may differ. If in doubt contact your local planning authority. Please note, local authorities may charge a fee for pre-application advice.
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      The Planning Portal is delivered by PortalPlanQuest Limited which is a joint venture between TerraQuest Solutions Limited and the Ministry of Housing, Communities & Local Government (MHCLG). All content © 2025 Planning Portal.