On this page 6
When a permit is required
Permit triggers and exempt work for New London
New construction, additions, structural changes, occupancy changes, demolition, and most electrical, plumbing, mechanical, and life-safety work.
- Exempt Small detached accessory structures up to 200 square feet
- Exempt Fences up to 7 feet
- Exempt Low retaining walls without surcharge
- Exempt Certain minor finish work
- Exempt Sidewalks and driveways not over occupied space
- City permit application packet
- construction drawings
- plot plan
- valuation
- contractor credentials
- trade sub-permits as required.
- Building code
- 2022 Connecticut State Building Code.
- Permit validity
- State-code 180 day rule unless extended.
- Owner-builder
- Owners may generally file on their own property, but required licensed trades still apply.
- Contractor requirements
- Connecticut trade licenses and home improvement registration rules apply.
Application process
Typical processing: The public packet reviewed did not post a firm turnaround; projects with coastal, floodplain, or site plan review can take longer.
- 01 Download the Building Permit Application Packet and confirm any zoning or land use prerequisites.
- 02 Prepare the signed application, plans, valuation, plot plan, trade contractor credentials, and any additional supporting documents listed in the packet.
- 03 Submit the packet to the Building Department for review and fee assessment.
- 04 After approval and payment, the permit is issued and inspections are scheduled through the Building Department.
Typical processing time: The public packet reviewed did not post a firm turnaround; projects with coastal, floodplain, or site plan review can take longer.
Fee schedule
New London building permit fees
Verify payable method and whether separate trade permits are paid independently.
Required inspections
Scheduling and sequence
- Through the Building Department by phone (department)
- Inspection hours
- Verify with the office
Typical sequence: Demolition where applicable, footing, foundation, framing, rough trades, insulation or energy, final, certificate of occupancy
Corrections must be completed before reinspection.
Frequently asked
Common questions about New London permits
01 Do I need a building permit in New London, CT? ▸
02 How much does a building permit cost in New London, CT? ▸
03 How do I apply for a building permit in New London, CT? ▸
04 How long does it take to get a building permit in New London, CT? ▸
05 What work is exempt from building permits in New London, CT? ▸
06 How do I schedule a building inspection in New London, CT? ▸
Educational reference. Permit rules and fees change — confirm current requirements directly with City of New London Building Department before applying. Jaspector is not legal advice.