How Much Do Bungalow Extensions Cost in Ireland?

Matt Keane
February 12, 2023

If you are considering adding an extension to your bungalow, then you may be wondering how much it will cost. The average cost of a bungalow extension ranges from €2,500 to €,3000 per square metre, depending on the size and complexity of the project. However, it is important to remember that the final price tag may be higher or lower than this estimate, depending on your specific needs and requirements. So, what are the factors that will affect bungalow extension costs in Ireland?

Read on to find out!

Types of Bungalow Extensions:

Single-storey extension: 

Also known as a lean-to or sunroom, this is the most popular and cost-effective way to extend a bungalow. It involves building out from the side of the property, usually incorporating large windows and glass doors to maximise light.

Two-storey extension:

If you're looking to add an extra room or two, a two-storey extension could be the answer. This type of extension involves building up as well as out, so it's important to make sure your bungalow is structurally suitable before starting work.

Dormer extension:

A dormer extension is a popular choice for those wanting to create additional headroom on the upper floor. This involves extending the roofline of the property to create a 'dormer' window, which can be used as an extra bedroom, office, or storage space.

Wrap-around extension:

Wrap around extensions are a great way to create extra space and light in your bungalow. This type of extension involves building out from one or more sides of the property, often with glazed walls or doors leading to a patio or garden.

Porch extension:

A porch extension is a small, single-storey extension that's typically added to the front of a bungalow. It can be used as a sheltered entranceway, extra storage space, or even an extra room if it's large enough.

Bungalow loft extension:

If your bungalow has enough headroom, a loft extension could be a good way to create extra living space. This involves extending the roof of the property to create an additional floor, which can be used as an extra bedroom, office, or storage space.

Bungalow roof extension:

A bungalow roof extension is a good way to add an extra storey to your property without the need for planning permission. This type of extension involves extending the existing roof, which can be used to create additional living space, storage, or even a rooftop terrace.

Factors Affecting Bungalow Extension Costs in Ireland

The Size and Shape of Your Extension: One of the main things that will affect the cost of your extension is its size and shape. If you are planning on extending your bungalow by a significant amount, then it is likely that the cost will be higher than if you were only planning on making a small extension. The shape of your extension will also affect the cost, with more complex shapes often being more expensive to build.

The Type of Materials You Use: The type of materials you use for your extension will also affect its cost. If you want to use high-quality materials that will last for a long time, then you can expect to pay more for your extension. However, if you are happy to use cheaper materials, then the cost of your extension will be lower.

The Location of Your Extension: The location of your extension will also affect its cost. If you live in an area where property prices are high, then you can expect to pay more for your extension.

Architect and structural engineer fees: It is important to factor in the cost of hiring an architect or structural engineer when planning your extension. While you may be able to get away with not hiring one if you are only making a small extension, hiring a professional will ensure that your extension is built to a high standard and that it meets all the necessary building regulations.

Planning permission: You will also need to factor in the cost of applying for planning permission when calculating the cost of your extension. In most cases, you will need to submit a planning application and pay a fee in order to have your extension approved.

Groundworks: Depending on the location of your extension, you may also need to factor in the cost of carrying out the groundwork. This could involve excavating a foundation, laying a new concrete base, or carrying out drainage work. Groundwork can be expensive, so it is important to factor this into your extension costs.

Building regulations: You will also need to make sure that your extension meets all the relevant building regulations. This could involve the cost of hiring a professional to carry out an assessment, as well as the cost of making any necessary changes to your extension in order to meet the regulations.

The Number of Storeys: The number of storeys in your extension will also affect its cost. A single-storey extension is usually cheaper to build than a two-storey extension, for example.

The Age of Your Property: The age of your property can also affect the cost of your extension. Older properties can be more difficult to extend, as they may not have the same structural integrity as newer properties. This means that you may need to carry out more extensive work in order to extend an older property, which will increase the cost.

How much value does an extension add to a bungalow?

A bungalow is a popular choice for many homebuyers due to its compact size and single-story layout. However, some people find that a bungalow doesn't provide enough space for their needs. If you're considering an extension to your bungalow, it's important to consider how much value it will add to your home. While an extension will typically add some value to your bungalow, the overall increase is usually fairly modest.

In most cases, an extension will add 10-15% to the value of your bungalow. However, this can vary depending on the size and location of the extension, as well as the current housing market. If you're thinking about extending your bungalow, it's important to speak to a local estate agent to get an accurate estimate of how much value it will add to your home.

Final Thoughts

There is a lot of variation in the cost of bungalow extensions, depending on the size and complexity of the project. The average cost of a bungalow extension in Ireland ranges from €1,000 to €1,500+VAT per square metre. It is important to get accurate quotes from qualified building contractors before starting any construction project.

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*FYI, parts of this blog post were drafted by artificial technlogy. But rest assured, it's been thoroughly researched, edited, reviewed and me & my team.

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