There are many low cost house construction methods in Kerala. Some of the most popular ones are:1. Use of locally available materials: This is one of the most popular methods used by people in Kerala for constructing low cost houses. Locally available materials like laterite, mud and timber are used for construction. This method is not only cost effective but also eco-friendly.2. Use of ferrocement: Ferrocement is a type of reinforced concrete which uses steel mesh or wires in place of conventional reinforcement bars. This method is very strong and durable and can be used for constructing low cost houses in Kerala.3. Use of prefabricated components: Prefabricated components like walls, roofs and floors can be used for constructing low cost houses in Kerala. This method is quick and easy and requires less manpower.4. Use of recycled materials: Recycled materials like plastic, glass and metal can be used for constructing low cost houses in Kerala. This method is environment friendly and helps in reducing construction costs.