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March 18, 2025

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GST rates and HSN code 4418 for Builders Joinery and Carpentry of Wood.

India adopted the Goods and Services Tax implementation to create a single unified tax system which consolidated various separate taxes. The construction and carpentry businesses together with wood-based joinery sectors must use both Harmonized System of Nomenclature codes and GST rates for maintaining tax compliance. The HSN code 4418 represents Builders' Joinery and Carpentry of Wood at the membership level.

This detailed guide explains HSN code 4418 together with its applicable GST rates as well as product coverage rules and category determination protocols and proper filing procedures for businesses. You can access official government data through provided links that offer you the latest reliable information.

What is HSN Code 4418?

Definition and Scope

Wood items together with articles classified under HSN Code 4418 fall into Harmonized System of Nomenclature (HSN) Chapter 44. The HS Code 4418 includes both Wood and Articles of Wood and Wood Charcoal in respectively. Specifically, HSN Code 4418 pertains to:

The classification includes builders’ joinery and carpentry made from wood materials and cell-based wood panels in addition to assembled flooring panels and shingles and shakes.

Builders' joinery and carpentry of wood as well as wooden products and wood charcoal form a broad category under this classification:

1. Wooden doors, windows, and their frames

2. Wooden beams and trusses

3. Prefabricated wooden structures

4. Wooden flooring panels

5. Wooden staircases, railings, and handrails

6. Decorative wood panels

These products are vital in residential, commercial, and industrial construction, making HSN 4418 crucial for builders, carpenters, architects, and interior designers.

GST Rates Applicable to HSN Code 4418

GST Rate Overview

GST in India has established four tax rates spanning from 5% to 12% to 18% up to 28% for different categories. The taxation for HSN Code 4418 requires an 18% GST implementation. The taxation process at 18% GST consists of 9% CGST in combination with 9% SGST while supplying goods domestically or activating the 18% IGST rate for inter-state exchanges.

Explanation of the 18% GST Rate

Products and services listed under HSN Code 4418 fall under the 18% GST rate category:

1. Builders’ joinery made from wood.

2. Carpentry products like wooden windows, doors, and frames.

3. Wood flooring panels.

4. Assembled wooden structures and prefabricated panels.

This rate applies to both supply of goods and composite supplies, where installation services are provided along with the supply of wooden products.

Product Categories under HSN 4418

Product Description	CGST Rate (%)	SGST Rate (%)	IGST Rate (%)
Bamboo wood building joinery	6%	6%	12%
Builder’s joinery and carpentry of wood	9%	9%	18%
Cellular wood panels	9%	9%	18%
Assembled flooring panels	9%	9%	18%
Shingles and shakes (other than bamboo wood building joinery)	9%	9%	18%

Products Excluded

1. Pure furniture items (may fall under HSN 9403).

2. Wooden decorative items (may fall under HSN 4420).

Understanding Builders’ Joinery and Carpentry of Wood under HSN 4418

Wooden Doors, Windows, and Frames

The materials included in this segment are solid wood doors and panel doors together with flush doors as well as window frames made from timber, plywood or composite wood.

1. Residential buildings

2. Commercial spaces

3. Hotels and hospitality industry

GST rate: 18%

Assembled Wooden Flooring Panels

Wooden flooring panels that come pre-fabricated serve multiple purposes in luxury homes as well as hotels and retail stores, and office spaces because they provide both attractive design and lasting durability.

GST rate: 18%

Wooden Shingles and Shakes

These are wooden roofing materials used for rural homes, farmhouses, and heritage properties. They add rustic charm and insulation properties to the roof.

GST rate: 18%

Prefabricated Wooden Structures

The market prefers modular wooden homes together with kiosks, cabins and office partitions because they offer high eco-friendliness alongside fast construction times.

GST rate: 18%

Documentation and GST Filing for HSN 4418 Products

Mandatory Documentation

For all businesses manufacturing or supplying builders’ joinery and carpentry of wood, it is essential to maintain:

1. Invoices with correct HSN code (4418).

2. Bills of material specifying wooden content.

3. Tax invoices with correct GST rate (12%).

4. E-way bills for transportation of goods above the threshold limit.

Filing Requirements

1. Monthly/Quarterly GSTR-1: For outward supplies with HSN summary.

2. GSTR-3B: Monthly return for tax payment.

3. Annual Return: Includes consolidated HSN summary.

GST Implications for Builders and Contractors

Applicability for Construction Companies

Builders and contractors purchasing wooden doors, windows, or flooring from vendors must ensure:

1. HSN 4418 is correctly mentioned on supplier invoices.

2. Input Tax Credit (ITC) is claimed appropriately.

3. HSN code mapping matches project accounting records.

Work Contracts Involving Woodwork

Where builders execute works contracts involving installation of wooden doors, windows, or flooring, the composite supply rule may apply. In such cases, the GST rate for the entire contract (usually 18%) will apply, rather than the individual rate for HSN 4418.

Exporting Builders' Joinery and Carpentry Products under HSN 4418

IGST on Exports

Exports are zero-rated under GST. However, exporters may:

1. Claim refund of input tax credit (ITC) if goods are exported without payment of tax.

2. Export with payment of IGST and claim refund of the tax paid.

HSN in Export Invoices

The correct HSN code 4418 must be mentioned in all:

1. Export invoices.

2. Shipping bills.

3. Certificates of origin (where applicable).

Official Export and Refund Guidelines

GST Notifications and Amendments Impacting HSN 4418

Key GST Council Decisions

1. The GST rate for HSN 4418 was fixed at 12% when GST was introduced in July 2017.

2. There have been no major revisions specific to HSN 4418 since, but businesses should monitor the GST Council Meeting Updates.

Common Challenges in Applying HSN 4418 and GST Rates

Product Misclassification

Some businesses wrongly classify wooden joinery products under:

1. HSN 9403 (furniture) – 28% GST

2. HSN 4407 (wood sawn or chipped lengthwise) – 12% GST

Correct classification under 4418 (18% GST) is crucial to avoid excess tax liability.

Composite vs. Works Contract Confusion

When wooden joinery is supplied with installation, distinguishing between:

1. Composite supply (18% GST)

2. Works contract (18% GST but under different rules)

Proper invoicing under the correct classification prevents compliance issues.

Summary

Understanding the HSN Code 4418 and applicable GST rate of 18% is essential for:

1. Builders and developers

2. Interior designers and carpenters

3. Wood product manufacturers and suppliers

Correct classification, invoicing, and compliance with GST laws ensure:

1. Accurate tax payment

2. Seamless input tax credit claims

3. Avoidance of penalties and litigation

FAQs

1. What is the GST rate for wooden doors and windows under HSN 4418?

Ans. The GST rate is 12%.

2. Can wooden modular kitchens be classified under 4418?

Ans. If pre-assembled and used as fixed joinery, they may qualify. If standalone, they may shift to HSN 9403 (Furniture).

3. Where can I download the official HSN list?

Ans. Official HSN list for all kinds of goods.

4. Is GST applicable on labour charges for installing wooden doors and windows?

Ans. Yes, GST applies to installation services when materials like wooden doors and windows are supplied, often taxed under the works contract category at 18% GST. However, if labour is billed separately, it may fall under pure labour services with different tax implications.

5. How do I mention HSN code 4418 in GST invoices?

Ans. For businesses with turnover above ₹5 crore, mentioning 6-digit HSN codes (4418.00) is mandatory in GST invoices. For businesses below ₹5 crore, a 4-digit HSN (4418) is sufficient.

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