Do I Need Planning Permission For A Loft Conversion

Guidance specific to Scotland only.

Do I need planning permission for a loft conversion?

What is planning permision?

Planning permission is NOT required (permitted development) if your proposed loft conversion meets the following criteria.

  • No roof alterations (excluding roof windows) are made to any side of the building facing the road.
  • No roof alterations (excluding roof windows) are made to a roof that is within 10 metres of the boundary facing the roof.
  • The height of the conversion does NOT change the existing height of the roof.
  • Any dormers do NOT exceed half the width of the existing roof.
  • Any part of the conversion is within 0.3 metres of the edge of the roof. (externally)
  • Is NOT in a conservation area.
  • Is NOT a listed building. (Not sure if your property is listed? Visit PastMap or Historic Environment Scotland to find out.)
  • Is NOT part of a flat, apartment, or tenement.

You should always check with your local planning department or architectural service provider. Find an Architect, Architectural Technician, or Planner to help with your project on Do I Need Permissions Who Can Help Pages.

Click here for Architects Costs

Although planning permission may not be required Do I Need Permission recommend you obtain a “Certificate of Lawfulness”. This is confirmation from your local planning department that your proposed loft conversion does not require planning permission. You may require this should you sell your home.

Visit Do I Need Permissions certificate of lawfulness page for more information.

If your proposed loft conversion does not meet the above criteria you will need to apply for planning permission. More information on applying for planning permission below.

Click here to try Do I Need Permission planning permission checklist

Planning permission Loft Conversion Roof Windows

Loft conversion – example

Planning permission NOT required as.

  • Roof windows only.

Loft conversion – example

Planning permission NOT required as.

  • Dormer is rear facing.
  • Dormer does not exceed half the width of existing roof.
  • Not within 10m of boundary facing roof.

Planning permission Loft Conversion Dormer to Rear

Planning permission Loft Conversion Dormer to Front

Loft conversion – example

Planning permission required as.

  • Dormer to front elevation.
  • Within 10m of boundary

The above examples are for guidance only, other conditions may apply. See above.

What is required for a loft conversion planning application?

Scottish legislation requires specific information is provided for all planning applications. A planning application for loft conversion should consist of the following information.

  • A description of the proposed development.
  • Details of the applicant and owners.
  • The required fee. (where applicable)
  • Ordnance survey based location plan.
  • Block plan/site plan.
  • Existing floor plans and elevations.
  • Proposed floor plans and elevations.
  • Details on proposed materials and colours.
  • Supplementary information as required for your specific project.

Your local architectural service provider will be able to individually assess your specific requirements. Find an Architect, Architectural Technician, or Planner to help with your project on Do I Need Permissions Who Can Help Pages.

If you are considering lodging your own planning application you can submit your planning application online at the Scottish government’s e-planning website. Submitting your planning application online can save time and money. The e-planning website will also provide you with a checklist of information required for your application. Visit the Scottish government’s e-planning website to get started.

Take a look at Do I Need Permissions planning permission Scotland guide for information on preparing and lodging a planning application.

How much does planning permission cost?

Planning permission (where required) for a loft conversion costs £202 (from 1st November 2014). This fee is payable to your local council.

You may be asked to pay additional fees for advertising your planning application, normally in a local newspaper. This can happen when the planning department cannot find contact details for neighbours that are required to be notified or when neighbouring land has no buildings on. This fee varies but is normally around £110. The planning department will notify you if this is required.

View planning permission fees for other projects on Do I Need Permissions planning fees Scotland page.

The fee for architectural drawings varies depending on your individual requirements. Find an Architect, Architectural Technician, or Planner to help with your project on Do I Need Permissions Who Can Help Pages.

How long does planning permission take?

Planning permission can take between 6-8 weeks for a decision. Your application can be refused if found to be unsuitable. A decision may take longer if your proposals are complex or further information is required.

Most councils allow you to track the progress of your planning application on-line. You can also see if anyone has commented on your proposals. Visit Do I Need Permissions view planning applications in my area page to find your local planning department website.

If you are considering lodging your own planning application you can submit your planning application online at the Scottish government’s e-planning website. Submitting your planning application online can save time and money. Visit the Scottish government’s e-planning website to get started.

How is my planning application decided?

Your application will be allocated to a planning officer. They may visit your property and consider comments from the public or other relevant bodies and take account of the Development Plan and other national policy and advice. Some applications will be decided by members of a planning committee. Your local council will delegate some decision making to your allocated planning officer. The planning department will notify you of how it intends to decide your application and of the decision.

Your planning application can be refused. If your application is refused you have a right to request either.

  • An appeal to Scottish Ministers.
  • Or a review by the planning departments local review board.

Only one of these options will be available depending on your specific application. The option available to you will be explained in early correspondence from the planning department and once your application has progressed and a decision has been made. If you are unsure you should contact your local planning department or architectural service provider for advice.

With any appeal or review you will be required to provide valid reasons or supporting information as to why your application should be approved.

How long does planning permission last?

Planning permission is valid for 3 years from the date of approval. Works should be started within this time period.

Your planning approval will become invalid if you do not start your project within this time period. In some cases an extension may be granted. You should contact your local planning department should you wish to discuss extending your planning permission.

Guidance specific to England only.

Do I need planning permission for a loft conversion?

Planning permission is NOT required (permitted development) if your proposed loft conversion meets the following criteria.

  • A volume allowance of 40 cubic metres additional roof space for terraced houses.
  • A volume allowance of 50 cubic metres additional roof space for detached and semi-detached houses.
  • No extension beyond the plane of the existing roof slope of the principal elevation that fronts the highway. (e.g. addition of dormer windows)
  • No extension to be higher than the highest part of the existing roof.
  • Materials to be similar in appearance to the existing house.
  • No verandas, balconies or raised platforms.
  • Side-facing windows to be obscure-glazed; any opening to be 1.7 metres above the floor.
  • Not within a designated area.
  • Roof extensions, apart from hip to gable ones, to be set back, as far as practicable, at least 20cm from the original eaves
  • The roof enlargement cannot overhang the outer face of the wall of the original house.
  • Is NOT part of a flat, apartment, or tenement.
  • NOT a listed building. (Not sure if you property is listed? Visit Historic England to find out.)

Designated land means conservation areas, national parks and the Broads, Areas of Outstanding Natural Beauty, and World Heritage Sites.

If in doubt you should always check with your local planning department or architectural service provider. Find an Architect, Architectural Technician, or Planner to help with your project on Do I Need Permissions Who Can Help Pages.

Click here for Architects Costs

Although planning permission may not be required Do I Need Permission recommend you obtain a “Lawful Development Certificate”. This is confirmation from your local planning department that your proposed loft conversion does not require planning permission. You may require this should you sell your home.

If your proposed loft conversion does not meet the above criteria you will need to apply for planning permission. More information on applying for planning permission below.

How much does planning permission cost?

Planning permission (where required) for a loft conversion costs £172. This fee is payable to your local council.

This fee does not apply where adaptation are being made to enhance the access, comfort of a disabled person.

The fee for architectural drawings varies depending on your individual requirements. Find an Architect, Architectural Technician, or Planner to help with your project on Do I Need Permissions Who Can Help Pages.

What is required for a loft conversion planning application?

English legislation requires specific information is provided for all planning applications. A planning application for a loft conversion should consist of the following information.

  • A description of the proposed development.
  • Details of the applicant and owners.
  • The required fee. (where applicable)
  • Ordnance survey based location plan.
  • Block plan/site plan.
  • Existing floor plans and elevations.
  • Proposed floor plans, elevations and sections.
  • Details on proposed materials and colours.
  • Supplementary information as required for your specific project.

Your local architectural service provider will be able to individually assess your specific requirements. Find an Architect, Architectural Technician, or Planner to help with your project on Do I Need Permissions Who Can Help Pages.

If you are considering lodging your own planning application you can submit your planning application online at the government’s  online planning website. Submitting your planning application online can save time and money. The online planning website will also provide you with a checklist of information required for your application. Visit the Planning Portal website to get started.

How much will a loft conversion cost?

Try our simple loft conversion quote service and compare up to 4 quotations from local loft conversion specialists.


Further information on Loft Conversions

Do I Need Building Warrant for a Loft Conversion

 

Do I Need Permission Loft Conversion Hints and Tips

 

Do I Need Planning Permission Scotland | Who Can Help

 

Do I Need Planning Permission Scotland | Project Cost Estimator