Building Services

Building permits are required for all new single-family dwellings.

Required Forms:

• Building Permit Application (or through Cloudpermit)
• Schedule 1 (both for the house and duct design)
• Energy Efficiency Design Summary - Prescriptive Energy
• Efficiency Design Summary - Performance

Information you’ll need to provide with these forms:

• Site plan indicating the location of the proposed building, including setbacks to property lines and grading plan approved by the developer’s engineer if within a subdivision
• Construction plans including structural and architectural details
• Roof truss drawings, stamped by an engineer and marked reviewed by your designer
• Heat loss and duct design
• Septic system design and permit (if applicable)
• Clearance from the Conservation Authority if you plan to build in a regulated area

Building permits are required for all additions to residential buildings and most renovations. Renovations such as finished basements, installing roof-mounted solar panels, installing new plumbing appliances, changing types of heating systems, etc. require building permits.

Required Forms:

• Building Permit Application  (or through Cloudpermit)
• Energy Efficiency Design Summary - Prescriptive (if applicable)
• Energy Efficiency Design Summary - Performance (if applicable)
• Schedule 1

Information you’ll need to provide with these forms:

Site plan indicating the location of the proposed addition, including setbacks to property lines and septic system (if applicable)

• Construction plans
• Building layout plans
• Evaluation of septic system (if applicable)
• Heat loss calculations and duct design (if applicable)
• Drawings specific to the project
• Roof-mounted solar panels will require engineering for the connection system and an evaluation of the supporting building by a professional engineer
• Clearance from the Conservation Authority if you plan to build in a regulated area

Building permits are required for all accessory buildings (greater than 15 square metres) such as sheds, decks and detached garages.

Building an accessory building like a shed or detached garage? Start by reviewing Middlesex Centres' Accessory Buildings Guide, which outlines the Ontario Building Code and zoning requirements.

Building a deck? Start by reviewing our Wood Deck Guide, which outlines the Ontario Building Code and zoning requirements.

When you are ready to apply for your permit, forms you will need:

• Building Permit Application (or through Cloudpermit)
• Schedule 1
• Letter of Authorization (to allow a person or company to act on your behalf, if applicable)

Information you’ll need to provide with these forms:

• Site plan indicating location of proposed building, including setbacks to property lines and septic system (if applicable)
• Construction plans including details pertaining to footing, framing, posts, beams, rafters, floor joists and guards (for decks) and building height
• Clearance from the Conservation Authority if you plan to build in a regulated area

Building permits are required for all swimming pools which are capable of holding more than 24" of water.  

Forms you will need:

• Building Permit Application (or through Cloudpermit)

Information you’ll need to provide with this form:

• Site plan indicating location of proposed pool, including setbacks to property lines, fencing detail and location of pool equipment (which must be a minimum of five feet from the property line)
• Clearance from the Conservation Authority if you plan to build in a regulated area

Other Information:

• By-Law 57 of 2006- Swimming Pools
• By-Law 35 of 2004- Zoning (Refer to Section 6.3.5. "Swimming Pool Permitted as an Acessory Use)

New and expanding livestock buildings and manure storages must comply with the Minimum Distance Separation (MDS) formula provided by the Ministry of Agriculture Food and Rural Affairs (OMAFRA).

You may contact the local OMAFRA Office (London, 519-873-4070), a Nutrient Management consultant or the Building Department to determine what setbacks would apply to your operation.

Prior to the issuance of a building permit for a new or expanding operation or manure storage system, a Letter of Approval will be required from OMAFRA. Please contact OMAFRA for further information in this regard.

Required Forms:

• Building Permit Application (or through Cloudpermit)
• Schedule 1

Information you’ll need to provide with these forms:

• Construction drawings (designed by professional engineer for buildings greater than 600 square metres and all manure storage) truss drawings (stamped by a professional engineer).
• Letter of approval from OMAFRA
• Site plan indicating location of proposed building, including setbacks to property lines, wells, septic systems, buildings and natural areas.
• Clearance from the Conservation Authority if you plan to build in a regulated area.

Building permits are required for all farm buildings such as grain bins, silos and drive sheds.

Required Forms:

• Building Permit Application (or through Cloudpermit)
• Schedule 1

Information you’ll need to provide with these forms:

• Construction drawings (designed by professional engineer for all grain bins, silos and buildings greater than 600 square metres). Truss drawings (must be stamped by a professional engineer if trusses used)
• Site plan indicating location of proposed building, including setbacks to property lines, wells, septic systems, buildings and natural areas.
• Clearance from the Conservation Authority if you plan to build in a regulated area.

All sewage systems with the exception of portable toilets (Class One Pit Privies) require building permits for both new installations and repairs/replacement of existing systems.

Required Forms:

• Building Permit Application (or through Cloudpermit)
• Schedule 1
• Schedule 2

Information you will need to provide with these forms:

• Sewage System Design (by Professional Engineer, unless very simple soil conditions exist) including soil information
• Site plan indicating location of proposed sewage system, including setbacks to property lines, wells, buildings and natural areas
• Clearance from the Conservation Authority if you plan to build in a regulated area

Building permits are required for all signs referenced in the Building By-law.

Forms you will need:

• Building Permit Application (or through Cloudpermit)
• Schedule 1

Information you will need to provide with these forms:

• Construction drawings
• Site plan indicating location of proposed sign, including setbacks to property lines. Clearance from the Conservation Authority if you plan to build in a regulated area.

Demolition permits are required prior to the demolition of any building with the exception of farm buildings. Burning structures may be an option at the discretion of the municipality’s Fire Chief.

Prior to demolition, please ensure the following:

• Obtain Demolition Permit
• Disconnect all services (hydro, telephone, gas, cable, water sewer, etc.)  Return water meter to the municipality (if applicable). Contact the Fire Chief and Fire Dispatch at 519-661-5615 prior to burning.
• Upon completion of demolition, owners are responsible to contact the building department for inspection and the tax department for a request for reassessment.
• The site must be levelled and graded upon completion of demolition.

Forms you will need:

• Building Permit Application (or through Cloudpermit)
• Demolition Permit Acknowledgement Form
• Demolition Tax Re-assessment Request Form