Company: NCL
Filing Date: 2025-12-04
Form Type: 424B3
Source: 0001575872-25-000746
Chunk: 1

Company: Northann Corp.
Filing Date: 2025-12-04
Form: 424B3
Chunk 1
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 x                    |                                                                                 |
| Filed by a Party other than the Registrant ¨ |                                                                                 |
| Check the appropriate box:                   |                                                                                 |
| ¨                                            | Preliminary Proxy Statement                                                     |
| ¨                                            | Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) |
| x                                            | Definitive Proxy Statement                                                      |
| ¨                                            | Definitive Additional Materials                                                 |
| ¨                                            | Soliciting Material under § 240.14a-12                                          |

<div align='center'>Northann Corp.

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement if other
than the Registrant)</div>

Payment of Filing Fee (Check the appropriate
box):

| x | No fee required                                                    |
| ¨ | Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 
 0-11.                                                              |

| (1) | Title of each class of securities to which transaction                                                                  
 applies:                                                                                                                |
| (2) | Aggregate number of securities to which transaction applies:                                                            |
| (3) | Per unit price or other underlying value of transaction computed pursuant                                               
 to Exchange Act Rule 0-11 (set forth the amount on which the filing fee is calculated and state how it was determined): |
| (4) | Proposed maximum aggregate value of transaction:                                                                        |
| (5) | Total fee paid:                                                                                                         |

| ¨ | Fee paid previously with preliminary materials.                                                                                            |
| ¨ | Check box if any part of the fee is offset as provided by Exchange                                                                         
 Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration 
 statement number, or the Form or Schedule and the date of its filing.                                                                      |

| (1) | Amount Previously Paid:                       |
| (2) | Form, Schedule or Registration Statement No.: |
| (3) | Filing Party:                                 |
| (4) | Date Filed:                                   |

<div align='center'>Northann Corp.

2251 Catawba River Rd

Fort Lawn, SC 29714</div>

December 4, 2025

Dear Fellow Stockholder:

We cordially invite you to attend the 2025 annual meeting (“Annual
Meeting”) of stockholders of Northann Corp., which will be held at 10 a.m