House Extension Cost Ireland

by | Feb 20, 2024

House Extension Cost Ireland

Thinking about expanding your home with a house extension in Ireland? We get it; the thought of figuring out costs can be overwhelming. We’ve also grappled with it, but did you know that the average cost per square metre for a house extension is around €2,000, excluding fittings and finishes? In this article, we’ll unpack everything from factors influencing costs to types of extensions and their respective prices.

Stick around because this guide will pave the way towards a successful, cost-effective home expansion.

Factors Influencing House Extension Costs in Ireland

Several factors can influence the cost of house extensions in Ireland, including the extension’s size and complexity, property location, quality of materials used, level of finishes and fixtures, and architectural and structural design requirements.

Size And Complexity Of The Extension

Every house extension project is unique, and different aspects can dramatically alter the price. For instance, a simple square or rectangular-shaped extension is often cheaper than an irregular design requiring more complex construction techniques.

Likewise, a one-storey extension may cost significantly less than adding two floors. Moreover, if your plans include specialised features like skylights, complex roof designs, underfloor heating, or folding sliding doors, these will naturally increase costs.

The size of your proposed extension also plays into the complexity and final cost estimate. Larger extensions require more materials and labour time, which could lead to higher expenses overall.

Furthermore, other elements add to the project’s complexity, such as access problems on-site for machinery or deliveries, which might demand innovative solutions from developers, driving up costs.

Ultimately, a clear understanding of what you want from your home extension will help track budgeting decisions from inception through completion.

Location of the property

The property’s location is a key factor influencing the cost of a house extension in Ireland. Properties located in urban areas or areas with high demand for housing tend to have higher construction costs than properties in rural or less populated areas.

This is because there may be additional planning requirements, such as obtaining permits or adhering to specific regulations, which can increase project expenses. Furthermore, transport and logistics costs may be higher if suppliers and contractors need to travel longer distances to reach the site.

Quality Of Materials Used

Using high-quality materials is essential when it comes to house extensions in Ireland. These materials contribute to the extension’s overall durability and longevity, add value, and improve the aesthetic appeal of your home.

Opting for lower-quality materials may initially save you money, but it can lead to costly repairs and replacements down the line. Investing in top-notch materials ensures that your house extension will stand the test of time and gives you peace of mind knowing that you have made a long-term investment in your property.

Level Of Finishes And Fixtures

A house extension’s level of finishes and fixtures can significantly impact the overall cost. Higher-quality materials and more luxurious fixtures will generally come at a higher price.

For example, opting for standard finishes can range from €2,000 to €2,500 per square metre, while choosing high-spec finishes can increase the cost to between €2,600 and €3,400 per square metre.

Remember that these costs are separate from the construction expenses and should be budgeted accordingly.

Architectural and structural design requirements

Architectural and structural design requirements are crucial in determining the cost of a house extension in Ireland. The complexity and size of the extension, as well as any structural alterations or demolitions needed, will impact the overall budget.

Factors such as design, supervision, certification, and renovation of existing spaces must be considered. Hiring professionals who can manage these requirements effectively and within budget constraints is important.

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By carefully planning and meeting all architectural and structural needs, homeowners can ensure a successful house extension that meets their desired outcomes.

Types of House Extensions and Their Estimated Costs

Various house extensions can be done in Ireland, each with estimated costs. These include single-storey extensions, two-storey extensions, rear extensions, side extensions, and loft conversions.

The cost will depend on factors such as size, complexity, and location of the extension.

Single-Story Extension

A single-story extension is a popular choice for homeowners looking to create additional space in their homes. The cost of a single-storey extension in Ireland can vary depending on size, complexity, and location.

The average cost per linear meter of overall frame width is around €1,700. For budgeting purposes, allocating around €2,000 per square meter for the construction costs alone (excluding fittings and finishes) is recommended.

Prices quoted by contractors generally range from €2,200 to €2,600 per meter for house extensions. Considering factors such as design requirements and any structural alterations necessary when estimating the overall cost of a single-story extension in Ireland is important.

Two-Story Extension

A two-story extension is popular for homeowners looking to maximize their living space. This type of extension offers the opportunity to add ground floor and upper-level rooms, doubling the size of your home.

The cost of a two-story extension in Ireland can vary depending on size, design complexity, location, and finishes. On average, you can expect to budget around €2,000 per square meter for the construction costs alone.

It’s important to remember that additional expenses may apply for architectural design requirements, structural alterations, and certification. Hiring a professional project manager can also add to the overall cost but will provide valuable expertise and ensure a smoother process.

Rear Extension

A rear extension is a popular option for homeowners looking to create additional living space. It involves extending the back of the property, either on one level or multiple levels, depending on your needs and budget.

The cost of a rear extension in Ireland can vary depending on size, design complexity, materials used, and finishes. On average, you can expect to budget around €2,000 per square meter for a standard finish extension and between €2,600 to €3,400 per square meter for a high-spec finish. Hiring professionals for project management could cost between €4,000 and €5,500.

Side Extension

A side extension is popular for homeowners looking to expand their living space. Extending your house’s side, you can create additional rooms or enlarge existing ones.

The cost of a side extension in Ireland can vary depending on size, complexity, and finishes. On average, you can expect to budget around €2,000 per square meter for a standard finish extension.

However, if you prefer high-spec finishes, the cost can range from €2,600 to €3,400 per square meter. It’s important to remember that these costs do not include fittings and fixtures.

Loft conversion

A loft conversion is a popular option for homeowners in Ireland looking to maximize their living space. You can create an additional bedroom, office, or entertainment area by converting an under-utilized attic into a functional room.

The cost of a loft conversion in Ireland varies depending on factors such as the size and complexity of the project, the quality of materials used, and any structural alterations required.

On average, homeowners can expect to budget around €20,000 to €30,000 for a basic loft conversion. However, prices can increase significantly if additional features like en-suite bathrooms or skylights are desired.

Tips for Cost-Effective House Extensions

To ensure a cost-effective house extension, prioritize your needs and budget accordingly. Obtain multiple quotes from reputable builders to compare prices and services. Consider using cost-saving materials and fixtures without compromising on quality.

Opt for standard rather than high-spec finishes, which can significantly increase the overall cost. Lastly, plan for future needs and potential resale value when making design choices for your house extension.

In addition, you can take innovative ideas from the UK House Extension Ideas blog before finalizing the type of extension.

Prioritize Your Needs And Budget Accordingly

When planning a house extension, it is important to prioritize your needs and budget accordingly. Consider what aspects of the extension are most essential for you, and focus on those first.

This will help you allocate your resources effectively and avoid overspending on non-essential features. By determining your priorities early on, you can make informed decisions throughout the process and ensure your project stays within budget.

Obtain Multiple Quotes From Reputable Builders

When planning a house extension, obtaining multiple quotes from reputable builders is crucial. This will allow you to compare prices and services, ensuring you get the best value.

By obtaining multiple quotes, you can also gain insight into each builder’s different approaches and suggestions, helping you make an informed decision about who to hire.

Additionally, getting quotes from several builders gives you a better understanding of the average cost of your project based on market rates in Ireland. 

Consider Using Cost-Saving Materials And Fixtures

Using cost-saving materials and fixtures is a smart strategy for house extensions in Ireland. You can significantly reduce your overall project expenses by choosing more affordable options.

For example, consider using vinyl flooring or laminate instead of hardwood floors, as they are more budget-friendly without compromising quality. Additionally, choosing energy-efficient fixtures such as LED lighting or low-flow toilets can help you save money on utility bills in the long run.

So, keep cost-saving in mind when selecting materials and fixtures for your house extension to stay within your budget while achieving a stylish and functional space.

Opt For Standard Finishes Instead Of High-Spec Finishes

When it comes to house extensions, one way to save on costs is by opting for standard finishes instead of high-spec finishes. While high-spec finishes may be more luxurious and aesthetically appealing, they can significantly increase the overall cost of your extension.

You can still achieve a stylish and functional space by choosing standard finishes without breaking the bank. This is especially beneficial if you work within a tight budget or plan to sell your property.

So, when deciding about fittings and fixtures for your house extension, consider going for standard options to save money while achieving your desired outcome.

Plan For Future Needs And Potential Resale Value

When planning a house extension, it is important to consider your future needs and the potential resale value of your property. By anticipating what you might need, such as additional bedrooms or living space, you can ensure that your extension will accommodate those needs.

Additionally, considering resale value allows you to make design choices that appeal to potential buyers. This can include incorporating popular features or ensuring the extension blends seamlessly with the existing structure.

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Conclusion

The cost of a house extension in Ireland can vary depending on size, complexity, location, and finishes. Budgeting around €2,000 per square meter for a new build extension is recommended.

 Prioritizing the needs and obtaining multiple quotes from reputable builders, homeowners can ensure a cost-effective extension that adds value to their property. Consider using cost-saving materials and opting for standard finishes to keep expenses within budget.

Proper planning and consideration of future needs can also help minimize costs while maximizing the potential resale value of the extended home.

Frequently Asked Questions

How much does a house extension in Ireland typically cost?

The cost of a house extension in Ireland can vary significantly depending on factors such as the size of the extension, the materials used, and the location. On average, you can expect to pay between €1,500 and €2,500 per square metre.

Are there any additional costs involved in a house extension?

Yes, there may be additional costs involved in a house extension project. These can include architectural fees, planning permission fees, building regulation fees, and the cost of hiring professionals such as architects and builders.

Can I get an estimate for my specific house extension project?

Yes, it is recommended to contact local architects or builders who specialise in house extensions to get an accurate estimate for your specific project. They will consider factors such as your desired design and materials to provide you with a comprehensive estimate.

How long does a typical house extension project take?

The duration of a house extension project can vary depending on its complexity and size. On average, you should expect a timeline of 8-12 weeks from planning approval to completion. However, larger or more intricate projects may take longer to finish.

What are some cost-saving tips for house extensions in Ireland?

Opt for a simple design, use cost-effective materials, and obtain multiple quotes from different builders.

How can I get an accurate cost estimate for my house extension project?

To get an accurate estimate, consult reputable builders or contractors who can assess your specific requirements and provide tailored quotes.