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What is the cost of getting an Attic Conversion?

Average Price
$41,922

How much does an Attic Conversion cost?

Want an attic conversion to extend your space and add value to your home? Budget is a huge part of your decision, so we’ve put this handy guide together to help you figure out the cost.

What does an Attic Conversion involve? 

An attic conversion adds more space to your home by converting the loft into additional rooms. They are flexible in style depending on the size and shape of your property. Your contractor can either add a structure on top of your existing roof or completely rebuild it to add more usable space.

How much does an Attic Conversion cost? 

Attic conversion costs will vary depending on several factors, including the type of conversion and the complexity of the project. Typically, renovations will cost less than the value they add to your home, so it’s a worthwhile investment in the long run. Here’s a rough breakdown of the average price based on local Australian contractors: 

Average cost (in total)$41,922
Minimum cost (in total)$3,845
Maximum cost (in total) $80,000+

What changes the price of an Attic Conversion?

Before you go ahead with an attic conversion, you need to think about what would work best for your budget and the property. Here are the key price considerations: 

  • Type of attic conversion

  • Your location

  • Having a bathroom installed 

Type of Attic Conversion 

The cost will ultimately come down to the type of attic conversion you want. Even on a smaller budget you can still create a warm and inviting living space at the top of your home. Cheaper loft conversions such as dormers focus more on adding more natural light rather than changing the structure and layout of the room, as you would find in a hip to gable conversion. 

Not all attic conversions are created equal. The type you choose will depend on your property type as well as what you want to achieve. For more information on the best loft conversion for your property, speak to your loft specialist. 

Let’s have a more detailed look at the different types of attic conversions and their prices: 

Type of attic conversionHighest average price Lowest average price
Dormer loft$30,000$17,000
Mansard loft$55,000$25,000
Hip to gable loft$75,000$25,000

Dormer Loft

Dormer lofts are often referred to as ‘box conversions’ due to the shape they create on top of your roof. There is typically far less work involved as you are simply adding a structure on top of the roof space, rather than rebuilding or remodelling the outside walls. They’re the most affordable out of all the loft conversion types. 

Hip To Gable

Most homes have a sloping roof which would prevent you from making full use of your loft space even when converted. A hip to gable loft conversion removes the slope and builds upwards so that the wall remains straight on one side until it reaches the top of your roof.

Hip to gable loft conversions are the most expensive loft conversion types, costing between $25,000 and $75,000. They’re a significant investment compared with a dormer loft conversion. 

Mansard Loft

Taking inspiration from 17th-century French architecture, Mansard lofts add on a brand new roof to your home. They are built flat and upwards as opposed to being sloped which will give plenty of usable space. 

Price-wise, hip to gable loft conversions sit on the middle-end of the pricing scale, starting at $25,000 and increasing to around $55,000 on average. While Mansard conversions are traditionally French in style, they can use glass and other modern materials making them more expensive than other loft conversion types. However, the stunning finish they give will undoubtedly increase the value of your home, so they are well worth it if within budget. Your property type and personal taste will greatly influence which style you go for.  

Location

Like most services, location is another key factor influencing price. Expect to pay more in larger, major cities such as Sydney, to reflect the higher cost of living. 

LocationMaximum costMinimum costAverage cost
Sydney$65,000$15,500$40,000
Perth$60,000$15,000$37,750

Getting a bathroom installed 

If you are installing a bathroom, this could add anywhere from $6,000 to the project depending on the size and spec. For bedrooms or offices, you’ll also need to think about the cost of decorating and furnishings once the building work has been completed. Then there are the interior jobs too, such as removing old roof trusses, installing windows and insulation.

Getting an Attic Conversion - is it worth the cost? 

If you want to add space and value to your home and you’re not keen on moving, then an attic conversion is certainly worth it. From growing families to home offices, and even landlords looking to increase their yields - an attic conversion has endless benefits. Remember to always choose a trusted, regulated company to carry out your loft conversion. Safety should be your number one priority when it comes to loft conversions, not costs. A trusted company will also add the most value to your home, especially when executed to a high standard. 

Don’t move out - move up with an Attic Conversion specialist on Bark. 

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