Do I Need Building Warrant or Building Control for a Basement Conversion

Guidance specific to Scotland only.

Do I need building warrant for a basement conversion?

What is a building warrant?

A building warrant is required for a basement conversion. You should consult with your local architectural service provider who can advise you on the full requirements for your specific conversion. 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

Find out what works don’t require a building warrant on Do I Need Permissions Works not requiring building warrant page.

What is required for a basement conversion building warrant?

Your local architectural service provider will be able to individually assess your specific requirements. An application should consist of the following information,

  • OS based location plan.
  • Existing plans and elevations.
  • Proposed plans and elevations.
  • Proposed sections.
  • Details (always make sure you get a good set of details to avoid any issues when construction starts).
  • Engineer’s information (may not be required depending on your specific project).
  • Supplementary information to suit your specific project.

Take a look at Do I Need Permissions building warrant guide for information on preparing and lodging a building warrant application.

What building regulations apply to my basement conversion?

Building Regulations

The building regulations is a complex document with over 600 pages Do I Need Permission recommends you always consult with a specialist to confirm exactly what building regulations apply to your project and how to achieve these.

To find out what building regulations will apply to your conversion you can download a copy of the building regulations here.

How much does a building warrant cost?

The cost for a building warrant varies depending on the work required for your basement conversion. The cost of a building warrant is based on the cost of the works to be carried out. The minimum fee payable for a building warrant is £100 this is based on a cost of work at £5000. The fee increases £15 for each additional £500 worth of works up to a value of £100,000. Visit Do I Need Permissions Building Warrant Fee page for full costs.

The fee for architectural drawings varies, you should consult with your local architectural service provider. Find an Architect, Architectural Technician, or Planner to help with your project on Do I Need Permissions Who Can Help Pages.

 

How long does building warrant approval take?

Building warrants are normally decided within 4-6 weeks. This depends greatly on the quality of drawings that are submitted and can take longer for more complex projects. Always use a professional.

How long does building warrant approval last?

Building warrants are valid for 3 years. Extensions may be granted where the works have been started however be aware if your time period has lapsed and works are not completed you may be asked for improvements to your original building warrant approval.

Guidance specific to England only.

Do I need building control for a basement conversion?

Building control or building regulation approval will be required for a basement conversion.

It is an offence to carry out works without the correct permits or notices in places. In extreme cases you may be asked to removed or the local authority may remove any alteration that does not comply with building regulations.

To find an Approved Inspector, Architect or Architectural Technician visit Do I Need Permissions Who Can Help pages.

How Do I get building control approval?

There are two methods of getting building control approval.

  • Local authority building control service. (provided by your local authority)
  • Approved inspector for building control. (a private company that is approved to certify works)

To find an Approved Inspector, Architect or Architectural Technician visit Do I Need Permissions Who Can Help pages.

How building control approval works

The approval process depends on whether you choose the Building Control services (local Authority) or an Approved Inspector.

To find out more visit Do I Need Permission building control approval types page.

What building regulations apply to a basement conversion?

Building Regulations (England)The building regulations is a complex document Do I Need Permission recommends you always consult with a specialist to confirm exactly what building regulations apply to your project and how to achieve these.

To find out what building regulations will apply to your basement conversion you can download a copy of the building regulations here.

How much does a basement conversion cost?



Further information on Basement Conversions

Do I Need Planning Permission For A Basement Conversion

 

Do I Need Permission Basement Conversion Hints and Tips

 

Do I Need Planning Permission Scotland | Who Can Help

 

Do I Need Planning Permission Scotland | Project Cost Estimator