Building Permits in London
The permit guides and documents DocHub holds for building permits in London, each taken from the municipality’s own pages.
The municipality lists what to submit. CodeEase shows what the building code asks of it. See CodeEase →
Permit guides
- New house permitsMost renovation, construction, or demolition projects require a building permit, and permits for new homes, additions, and renovations are reviewed within 10 business days once an application is deemed complete.
- Finished basement permitsFinishing any portion of your basement requires a building permit.
- Additional residential unit (ARU) permitsA building permit and a residential rental unit license are required for all ARUs, and an approved building permit is required prior to any construction.
- Deck permitsYour deck may or may not require a building permit: side and rear decks less than 600 mm (24”) above grade will require a permit if attached to the house, and do not require a permit if not attached to the house.
- Shed and detached garage permitsYou need a permit before you start building a shed greater than 15 square meters or any size with plumbing, or a detached garage.
- Swimming pool fence permitsWhether the fence is new or existing, a permit is required before the swimming pool can be installed.
- Sign permitsReview Section 3 of the Sign by-law to determine if the sign you want to display requires a permit; if it does, you can apply online using the Development & Business Portal (E-portal).
- Commercial, industrial and institutional building permitsMost renovation, construction, or demolition projects require a building permit, and large buildings (commercial, industrial, institutional, apartment buildings) need the drawings and documents required for larger residential commercial or industrial projects.
Documents
Every building permit
- Application for a Permit to Construct or DemolishForm
- Application for a Permit: Partial Occupancy, Transfer of Permit, Change of UseForm
- Backflow Prevention (BFP) Serving Fire Protection Systems Permit Submission GuideGuide
- Commercial Kitchen System Permit Submission GuideGuide
- Commitment to General Reviews by Architect and EngineersForm
- Declaration for Electromagnetic Locking Devices for Installers and OwnersForm
- Electromagnetic Locking Device (Maglock) Permit Submission GuideGuide
- Energy Efficiency Checklists for Part 3 Buildings and Part 9 Non-Residential BuildigngsChecklist
- Fire Alarm Permit Submission GuideGuide
- Heating, Ventilation and Air Conditioning (HVAC) DrawingsGuide
- Integrated Systems Testing Permit Submission GuideGuide
- Integrated Testing Coordinator (ITC) InformationForm
- Manufactured Guardrails Approved Product ListDocument
- Plumbing DrawingsGuide
- Property Owner Confirmation DeclarationForm
- Proprietary Review ApplicationForm
- Revision Submission FormForm
- Schedule 1: Designer InformationForm
- Schedule 2: Sewage System Installer InformationForm
- Special Fire Supression SystemsGuide
- Sprinkler System Permit Submission GuideGuide
- Standpipe Permit Submission GuideGuide
- Structural Review RequirementsGuide
- Undertaking Damage to City PropertyForm
- Water/Drainage (Site Services) DrawingsGuide