A building warrant is required for forming new openings. You should consult with your local architectural service provider who can advise you on the full requirements for your specific alteration.
Find out what works don’t require a building warrant on Do I Need Permissions Works not requiring building warrant page.
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.
- 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.
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 project you can download a copy of the building regulations here.
The cost for a building warrant varies depending on the work required for your project. 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 someone to help in Do I Need Permissions Who Can Help section.
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.
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.