DIY outdoor fireplace kits vs prefab ready to go fireplaces

Building an outdoor fireplace can turn your backyard into the perfect gathering spot for family and friends. But before you grab your trowel and start mixing mortar or consider getting a builder to build you a fireplace, let's explore the real story behind DIY outdoor fireplace projects versus choosing a ready-to-go prefab fireplace structure.

While hiring a builder might seem like the traditional route for adding an outdoor fireplace, it often comes with unexpected challenges. Custom-built fireplaces frequently run over time and budget, with extended labour costs adding up quickly. Even more critically, the fireplace must be built to precise dimensions to ensure it draws properly and radiates heat efficiently. If it's not done right, the only fix might be tearing it down and starting from scratch, a costly and frustrating outcome. That’s where a precast Trendz fireplace offers a smarter solution. These prefab units come fully engineered and guaranteed to work, saving you time, money, and the stress of getting it wrong. With a Trendz fireplace, you get a fireplace that not only looks stunning but performs flawlessly from day one.

The appeal of DIY outdoor fireplaces

Building your own fireplace from scratch or getting a builder to create this might seem like the most cost-effective and simplest way. The DIY option looks to be "fun and rewarding" and can potentially save you a few hundred in labour costs. Many homeowners are drawn to the idea of creating something unique that fits seamlessly into their outdoor space.

But here's where things get interesting: what looks like a straightforward weekend project on Pinterest often turns into a months-long ordeal that costs more than anticipated.

The hidden costs of going full DIY

When you start pricing out a DIY outdoor fireplace build, the initial material costs look manageable. However, this straightforward appearance masks several hidden expenses:

Foundation and preparation costs: You'll need proper site clearing and a solid concrete foundation to support your fireplace structure.

Tools and equipment: If you don't already own masonry tools, you're looking at purchasing or renting everything from mixers to levels to specialised cutting equipment.

Permits and compliance: Most local councils require permits for outdoor fireplace construction, and regulations vary widely by location. This can escalate costs quickly as engineers' drawings and designs are generally required for this.

Time investment: The construction time usually ends up taking a builder/s weeks or even months, especially when you factor in learning curves, weekend-only construction schedules, unpredictable weather, travel time to and from the site, and the frequent underestimation of how long each stage of the project will actually take.

Why prefab outdoor fireplace kits are a more effective solution

A prefab outdoor fireplace addresses virtually every pain point of DIY construction while still allowing for customisation. Every Trendz fireplace is designed and tested to perform reliably. The firebox geometry, chimney sizing, and airflow patterns have been optimised through years of refinement.

A Trendz concrete structure uses a specialised mix designed for outdoor conditions, while the steel fireboxes are engineered to kick out heat more efficiently than traditional brick construction. Despite being prefab, you can still make the fireplace uniquely yours by choosing to leave the concrete untouched for a rugged look or finishing with plaster, paint, bricks, schist or stone.

Most importantly, Trendz fireplaces are super easy for any builder, landscaper or handyman to install. Each fireplace comes in three main parts: fireplace structure, Flue, and wood boxes (if purchased), making installation a very quick and easy process. A Trendz Fireplace generally takes anywhere from 30 minutes to 2 hours for installation. Once installed, it is ready to light up and enjoy.

DIY outdoor fireplace kit options

If you're determined to tackle some of the work yourself or have your builder handle it, consider these middle-ground approaches:

1. Firebox only option with DIY finishing – Purchase a quality firebox and chimney system, then handle the aesthetic finishing yourself. This gives you the satisfaction of customisation without the structural complexities and unknowns of whether the fire will perform.
2. Modular systems – Some manufacturers offer modular concrete components that slot together, reducing the need for precise masonry skills while maintaining the DIY experience.
3. Hybrid approach – Have professionals handle the foundation and structural elements, then tackle the veneer and finishing work yourself.

Making the right choice for your project

The decision between full DIY and prefab isn't just about money. You need to honestly assess your skill level since this project requires significant masonry experience to make a working fireplace. Consider how much time you realistically have available, as DIY projects often take much longer than anticipated, especially for beginners.

There's also the risk factor. Mistakes in fireplace construction aren't just costly to fix – they can be dangerous. And while outdoor fireplaces can increase home value significantly, that only applies if they're built properly and the necessary conditions are met to ensure they meet council requirements. Failure to do so can result in headaches down the track when you come to sell the property.

Gas vs. wood-burning

Your fuel choice significantly impacts the complexity of your project. Gas fireplaces require professional installation of gas lines, adding to your overall project cost. However, they offer instant ignition and easier maintenance.

Wood-burning fireplaces provide the authentic crackling experience and cooking capabilities that many homeowners crave. They're also typically easier to install since they don't require gas line connections, though proper chimney design becomes more critical.

The bottom line

While building a DIY outdoor fireplace from scratch might seem like a money-saving adventure, the reality often involves hidden costs, extended timelines, and results that don't match your vision. A prefab fireplace option offers the best of both worlds: professional engineering and quality construction with the flexibility to customise the appearance to match your style.

Whether you choose a contemporary Burton design for modern entertaining or a traditional Douglas style for classic appeal, prefab fireplaces deliver reliable performance without the headaches of full DIY construction.

Ready to skip the construction stress and start enjoying cozy outdoor evenings? Explore our complete range of outdoor fireplaces today.