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Tuesday, February 20, 2024

External Wall Insulation Cost Ireland 2023

External wall insulation offers a range of benefits to improve the energy efficiency, comfort, noise reduction, and durability of a building.

This guide looks at the cost of external wall insulation in Ireland in 2023.

It also provides information on the application process, financial assistance available, and how to choose the right contractor.

Key Takeaways

  • The cost of external wall insulation in Ireland varies depending on factors such as the type of home, area to be insulated, insulation materials used, and the type of finish required.
  • External wall insulation offers benefits such as improved energy efficiency, increased comfort, noise reduction, enhanced durability, and potential increase in property value.
  • The cost of external wall insulation per square meter (m2) depends on the insulation materials and finish chosen.
  • Government grants are available in Ireland for external wall insulation, with varying grant values depending on the type of property.

External Wall Insulation Guide

External Wall Insulation is an energy-saving measure which can reduce heat loss, improve comfort, reduce noise pollution, and increase the value of a property. Costs and financial incentives for installation depend on the type of home, area to be insulated, insulation material, finish, and grant availability.

The cost of External Wall Insulation per m2 will vary depending on the insulation material, finish, and depth of the material used. An approximate cost range of €11,000 to €30,000 is associated with different property types, with potential grants available. These grants range from €3,000 to €8,000 depending on the type of home.

The eight layers of External Wall Insulation include a substrate, adhesive mortar, insulation material, reinforcing mortar, fixing anchor, glass fibre mesh, primer, and a finish render. All these components add to the project’s cost, but the finished product can provide long-term energy savings and increased value for the property.

Benefits of External Wall Insulation

External Wall Insulation (EWI) is an effective and affordable way to improve a building’s energy efficiency, enhance thermal comfort, and increase its value.

It helps reduce heat loss through the walls, resulting in lower heating bills and reduced greenhouse gas emissions.

Additionally, it can even out temperature fluctuations, reduce noise pollution, and protect the structure from extreme temperature fluctuations and moisture.

Improved energy efficiency

The installation of external wall insulation can lead to several benefits. Firstly, it can improve the energy efficiency of the building by reducing heat loss and energy bills. This is achieved by preventing heat from escaping and keeping the temperature inside the building more consistent, leading to improved comfort.

In addition to energy savings, external wall insulation can also reduce noise pollution. Acting as a barrier, it helps to block out external noises, creating a quieter living environment.

Furthermore, external wall insulation provides protection against extreme temperatures and moisture. This helps to preserve the structure of the building and increase its longevity.

Moreover, energy-efficient buildings are often more desirable to prospective buyers. This means that installing external wall insulation can potentially increase the value of a property.

Lastly, depending on the location, financial incentives may be available for installing external wall insulation. These incentives can include grants or tax credits, making the investment even more attractive.

Enhanced thermal comfort

Installing external wall insulation can help to even out temperature fluctuations within a building, resulting in enhanced thermal comfort. It can also provide the following advantages:

  • Improved air quality and indoor air circulation
  • Reduction in drafts and cold spots
  • Reduced condensation and mould growth
  • Lowered temperature of exterior walls
  • Enhanced acoustics for sound dampening.

Increased property value

Energy-efficient buildings with external wall insulation installed can be more attractive to buyers, potentially increasing the value of a property.

This is because insulation can help to reduce heat loss, improve energy efficiency and even out temperature fluctuations. Additionally, insulation can reduce noise pollution from outside sources, increase durability, and potentially be eligible for financial incentives.

These benefits can help make a building more desirable to potential buyers, who may be willing to pay more. Furthermore, the value of a property in a particular area may be impacted by the overall energy efficiency of buildings in the area.

Therefore, installing external wall insulation can be a wise investment for homeowners looking to increase the value of their property.

Reduction in heating bills

The installation of exterior wall insulation is an effective way to reduce heating bills and improve energy efficiency. This is achieved by preventing heat loss through the walls, which can lead to lower energy costs and a reduction in emissions.

Additionally, external wall insulation can provide a number of other benefits, including:

  • Increased comfort, as the insulation can even out temperature fluctuations within the building.
  • Noise reduction, as the insulation can help to dampen external noise.
  • Enhanced durability, as the insulation can protect the building from extreme temperatures and moisture.
  • Increased property value, as energy-efficient buildings are more attractive to buyers.
  • Financial incentives, as some governments offer grants for the installation of insulation.

Understanding the Costs

External Wall Insulation is a measure that can be taken to improve the energy efficiency of a building and reduce heating costs.

The cost of external wall insulation is determined by several factors such as the type of home, the area to be insulated, the material used, the type of finish, and the availability of grants.

Generally, the cost of external wall insulation per square meter is determined by the insulation material used and the type of finish chosen.

Overview of External Wall Insulation Costs

Costs of External Wall Insulation vary according to building type, the type of insulation material used, and the type of finish required. Insulation can help to reduce energy bills, make a building more comfortable, reduce noise pollution, and enhance durability. Additionally, it can increase a property’s value and potentially provide financial incentives.

Factors influencing costs include:

  • The type of insulation used (mineral wool, polystyrene, or polyurethane foam)
  • The type of cladding used
  • The depth of insulation material
  • The area to be insulated
  • Grants and financial incentives available.

Breakdown: Cost per m2

The cost per square meter of installing insulation to exterior walls will depend on the type of insulation material and cladding used. Insulation materials such as mineral wool, polystyrene, and polyurethane foam are available, as well as cement, synthetic, or plaster coating finish. The depth of insulation material can range from 100mm to 220mm. Below is a table detailing the approximate cost of external wall insulation, depending on the type of property.

Property TypeCosts (Range)
Apartment€11,000 – €14,000
Mid-terrace House€11,000 – €14,000
End of terrace€17,500 – €21,500
Semi-detached€17,500 – €21,500
Detached house€25,000 – €30,000

Application Process

The application process of External Wall Insulation (EWI) involves various factors that need to be considered. These include:

  • The type of insulation used
  • The type of finish required
  • The area to be insulated
  • The availability of grants

The process of applying EWI involves several steps that should be done by a professional to ensure the insulation is installed correctly and to maximize the energy efficiency of the building. These steps include:

  • Preparing the surface
  • Laying the insulation material
  • Fixing the anchors
  • Laying the reinforcing mortar
  • Applying the finish render

How External Wall Insulation is applied to homes

Applying External Wall Insulation to a home typically involves eight distinct layers of material, including insulation, adhesive mortar, reinforcing mortar, and a finish render. These layers can be broken down into:

  • Substrate: The existing wall surface serves as the insulation system’s base.
  • Insulation Material: The layer of insulation that provides thermal protection and energy efficiency.
  • Adhesive Mortar: A special type of mortar used to adhere the insulation material to the substrate.
  • Reinforcing Mortar: A layer of mortar that reinforces the insulation system and provides additional strength.
  • Fixing Anchor: Anchors or fasteners that secure the insulation to the substrate.
  • Glass Fibre Mesh: A mesh material that is embedded in the reinforcing mortar to enhance its strength and durability.
  • Primer: A preparatory coating applied to the substrate to improve adhesion and ensure proper bonding of the finish render.
  • Finish Render: The final layer that provides the desired aesthetic appearance and protection to the insulation system.

Each layer provides a different function and must be applied in a specific order to ensure the insulation is effective. The materials used and the amount of insulation required will affect the installation cost. In addition, the type of finish applied to the exterior of the home will also affect the cost.

Factors influencing the application process

Factors such as type of insulation material, cladding, and depth of insulation material can influence the external wall insulation application process.

The type of insulation used plays an important role. Insulation materials such as mineral wool, polystyrene, and polyurethane foam can be used.

Cladding options such as cement, a synthetic or a plaster coating finish should also be considered.

The depth of insulation material will also have an effect on the cost of installation. Generally, insulation materials should have a depth of between 100mm and 220mm.

Installation of external wall insulation should be done by a qualified and experienced professional in order to ensure a successful and safe application.

Understanding the factors that influence the external wall insulation application process will ensure the optimal outcome.

Financial Assistance and Grants

The government has a variety of grants available to homeowners for External Wall Insulation.

The cost of installing External Wall Insulation, including the available grants, can vary depending on the type of home, the area to be insulated, the insulation material used, and the type of finish.

It is important to calculate the average cost, including grants, to make an informed decision on the best option for your home.

Overview of government grants for External Wall Insulation

Government grants for External Wall Insulation are available in Ireland, with the grant value varying depending on the type of property. These grants are offered to help homeowners save money on energy bills and reduce their carbon emissions. Qualifying properties include apartments, mid-terrace, end of terrace, semi-detached, and detached houses.

The grants cover the cost of the insulation materials and installation, and may include the following:

  • Substrate
  • Insulation material
  • Adhesive mortar
  • Reinforcing mortar
  • Fixing anchor
  • Glass fibre mesh
  • Primer
  • Finish render

Calculating the average cost including available grants

Calculating the cost of External Wall Insulation for a property in Ireland, including available grants, can be done by considering the type of property, the type of insulation and the cladding required.

Approximate costs of External Wall Insulation depend on the building type, insulation type, and the cladding required. Grants offered by the SEAI range from €3,000 for an apartment to €8,000 for a detached house.

Taking into account the cost of the insulation and the grant, the total cost for an apartment would range between €8,000 and €11,000, while a detached house would cost between €18,000 and €22,000.

The cost of external wall insulation per square meter or m2 will depend on the insulation materials used and the type of finish.

Choosing the Right Contractor

When selecting an external wall insulation contractor, it is important to ensure that the contractor chosen is experienced and qualified in the installed insulation type.

It is also important to check the contractor’s credentials and references to ensure that the contractor is reliable and has a good reputation.

Lastly, it is essential to obtain quotes from multiple contractors in order to ensure that you are getting the best price for the job.

Tips for selecting External Wall Insulation Contractors

Selecting a qualified contractor for external wall insulation can be complex and should be carefully considered. It is important to choose an experienced, certified, and licensed contractor to install external wall insulation. Here are some tips to help you find the right contractor:

  • Check credentials and references. Make sure the contractor is insured and experienced in the type of insulation you require.
  • Get multiple estimates and compare pricing.
  • Ask for a detailed quote that covers the costs of materials, labor, and any additional services.
  • Read customer reviews and check ratings.
  • Discuss the job in detail and ask questions. Make sure you understand the process and the timeline for completion.

Importance of vetting and checking contractor credentials

It is essential to thoroughly vet and check contractor credentials when considering external wall insulation for a building, as the quality of the work and materials used can significantly impact the insulation’s safety and efficiency.

Before hiring a contractor, it is important to understand their qualifications and experience, the materials they use and the techniques they employ. It is recommended to ask for references and to contact local building control in order to verify the contractor’s credentials and to ensure that the contractor is working by regulations.

It is also important to review the contractor’s insurance coverage in order to ensure that in the event of any issues, the contractor is adequately covered.

Finally, it is important to review the quotes and the contracts carefully, to ensure that the contractor’s estimates are accurate and that the terms and conditions are clearly defined.

Taking the time to vet and check contractor credentials properly is an important step in securing the best external wall insulation for a building.

Frequently Asked Questions

What Is the Most Cost-Effective Type of External Wall Insulation?

The most cost-effective type of external wall insulation depends on the size and type of building, the materials used and the insulation depth. Factors such as energy efficiency, noise reduction, property value and financial incentives should all be considered when deciding which type of external wall insulation is the most cost-effective.

Is External Wall Insulation Suitable for All Types of Buildings?

External wall insulation can be suitable for all types of buildings, provided the structure is able to support the insulation material and the insulation is installed correctly. Factors such as climate, insulation material, and type of finish should also be taken into consideration.

Are There Any Health Risks Associated With External Wall Insulation?

There is some risk associated with external wall insulation, including the potential for condensation and mold and the potential for corrosive chemicals to be released from the insulation. It is important to ensure proper installation and ventilation to minimize these risks.

Is It Possible to Install External Wall Insulation Myself?

It is sometimes possible to install external wall insulation yourself, although this is not recommended due to the complexity of the work and the risk of improper installation. Professional installers have the knowledge and experience to ensure a quality and safe installation.

Is External Wall Insulation Eco-Friendly?

External wall insulation can be eco-friendly if used properly. It can help to reduce emissions by reducing energy loss through walls and improving insulation. It can also reduce air pollution by reducing noise pollution from outside sources. When used correctly, it can help to protect the environment.

Conclusion

External wall insulation is an advantageous way to improve buildings’ energy efficiency, comfort, noise reduction, durability, and property value. The cost of external wall insulation varies depending on the type of home, area to be insulated, materials used, and grants available. On average, it ranges from €8,000 to €22,000.

The application process and financial assistance available should be considered when considering this investment for improved energy efficiency, comfort, and noise reduction. Additionally, it is important to select an experienced contractor with the right qualifications and insurance for the project.

Thomas Lyons
Thomas Lyons
Thomas, the founder and chief editor at Top Rated, harbours a deep-seated passion for business, news, and product reviews. His thirst for knowledge and experience has led him on a journey across the length and breadth of the country, enabling him to garner a wealth of insight. At TopRated.ie, his sole aim is to deliver meticulously researched news and provide impartial reviews of fact checked Irish companies, thus helping readers make well-informed decisions.

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