diff --git a/lib/doc/worksheet.js b/lib/doc/worksheet.js
index db600d7a6..c74c9222c 100644
--- a/lib/doc/worksheet.js
+++ b/lib/doc/worksheet.js
@@ -344,6 +344,49 @@ class Worksheet {
     });
   }
 
+  duplicateRow(start, count) {
+    // I want to add after the start row
+    start++;
+
+    const nKeep = start;
+    const nEnd = this._rows.length;
+    let i;
+    let rSrc;
+
+    // insert new cells
+    for (i = nEnd; i >= nKeep; i--) {
+      rSrc = this._rows[i - 1];
+      if (rSrc) {
+        const rDst = this.getRow(i + count);
+        rDst.values = rSrc.values;
+        rDst.style = rSrc.style;
+        // eslint-disable-next-line no-loop-func
+        rSrc.eachCell({includeEmpty: true}, (cell, colNumber) => {
+          rDst.getCell(colNumber).style = cell.style;
+        });
+      }
+      else {
+        this._rows[i + count - 1] = undefined;
+      }
+    }
+
+    // Reference to the original row
+    rSrc = this._rows[start-2];
+
+    // now copy over the new values and styles
+    for (i = 0; i < count; i++) {
+      const rDst = this.getRow(start + i);
+      rDst.values = rSrc.values;
+      rDst.style = rSrc.style;
+      rSrc.eachCell({includeEmpty: true}, (cell, colNumber) => {
+        rDst.getCell(colNumber).style = cell.style;
+      });
+    }
+
+    // account for defined names
+    this.workbook.definedNames.spliceRows(this.name, start, 0, count);
+  }
+
   spliceRows(start, count) {
     // same problem as row.splice, except worse.
     const inserts = Array.prototype.slice.call(arguments, 2);
diff --git a/spec/integration/workbook/workbook.spec.js b/spec/integration/workbook/workbook.spec.js
index 1dfd90792..a0136874a 100644
--- a/spec/integration/workbook/workbook.spec.js
+++ b/spec/integration/workbook/workbook.spec.js
@@ -576,6 +576,29 @@ describe('Workbook', () => {
         });
     });
 
+    describe('Duplicate Rows', () => {
+      it('Duplicate rows properly', () => {
+        const wb = new ExcelJS.Workbook();
+        const ws = wb.addWorksheet('duplicateTest');
+        ws.getCell('A1').value = 'OneInfo';
+        ws.duplicateRow(1,2);
+        
+        return wb.xlsx
+          .writeFile(TEST_XLSX_FILE_NAME)
+          .then(() => {
+            const wb2 = new ExcelJS.Workbook();
+            return wb2.xlsx.readFile(TEST_XLSX_FILE_NAME);
+          })
+          .then(wb2 => {
+            const ws2 = wb2.getWorksheet('duplicateTest');
+
+            expect(ws2.getCell('A2').value).to.equal('OneInfo');
+            expect(ws2.getCell('A3').value).to.equal('OneInfo');
+          });
+      });
+    });
+
+
     describe('Merge Cells', () => {
       it('serialises and deserialises properly', () => {
         const wb = new ExcelJS.Workbook();