Choosing between brick and block construction is an important decision when building, extending or renovating a home. Both materials can deliver durable masonry walls, but the right option depends on your property’s design, budget, intended use and long-term requirements.
For Brisbane homeowners, the decision may also involve thermal comfort, moisture management, the appearance of the finished wall and the condition of any existing brickwork.
Perhaps you are planning a home extension, building a boundary wall, replacing damaged masonry or comparing options for a landscaping project. You may even be wondering whether an existing wall needs repairs or a complete rebuild.
So, which is better: brick or block construction?
Brick is often a strong choice when appearance, traditional residential character and compatibility with existing brickwork matter. Concrete block construction can be suitable for projects requiring larger masonry units or a particular structural, architectural or landscaping solution. Neither material is automatically better for every application.
In this guide, we compare brick and block construction for Brisbane homes, explain the factors that affect cost and performance, and help you understand what to discuss with a professional masonry contractor before starting your project.
Brick vs Block Construction: A Quick Comparison
| Factor | Brick construction | Concrete block construction |
|---|---|---|
| Appearance | Available in a wide variety of colours, textures and patterns | Often used for larger-format, rendered or contemporary finishes |
| Durability | Can provide long-lasting masonry when properly designed and built | Can also provide long-lasting masonry when properly designed and built |
| Installation | Smaller units generally mean more individual units and mortar joints | Larger units can cover more wall area per unit |
| Thermal performance | Depends on brick type, cavity, insulation and overall wall design | Depends on block density, insulation, reinforcement and overall wall design |
| Maintenance | Often low for suitable, well-constructed exposed brickwork | Depends on the block type, protective finish and exposure |
| Repairs | Individual bricks and mortar joints may be repairable | Damaged blocks and joints may require localised or more extensive repairs |
| Renovations | Useful when matching existing brickwork | Useful where the renovation design specifies blockwork |
| Landscaping | Suitable for decorative walls and other appropriate features | Can suit selected garden and retaining-wall applications |
| Overall cost | Depends on materials, labour, finishes and project scope | Depends on materials, labour, finishes and project scope |
The important point is that a fair comparison considers the complete wall system, not just the cost or strength of an individual brick or block.
1. What Is Brick Construction?
Brick construction uses individual masonry units laid in courses and bonded with mortar. Depending on the design, bricks may form an exposed external surface, an internal wall or part of a cavity-wall system.
In Australian homes, brick veneer is a common system in which the brick exterior is paired with a separate structural frame. Other systems include double brick and reverse brick veneer.
Advantages of brick construction
Appearance and design flexibility: Bricks are available in a wide range of colours, finishes and textures, making it easier to select a look that suits the home.
Compatibility with existing homes: Brick can be particularly useful for extensions and repairs where the existing building already has a brick exterior.
Durability: Properly selected and installed bricks can provide a durable exterior with relatively little routine maintenance.
Repair options: Where damage is localised, individual bricks or mortar joints may be repairable without replacing an entire wall.
What should you consider?
Brick construction still requires appropriate detailing, sound workmanship and suitable moisture management. Matching older bricks can also be difficult if the original product is no longer available.
If the existing wall has significant cracks or movement, replacing a few bricks may not address the underlying cause.
For these reasons, professional bricklayers in Brisbane should assess the actual condition and intended use of the wall before recommending a repair or new construction method.
2. What Is Block Construction?
Block construction typically uses larger concrete masonry units than conventional clay bricks. Blocks are available in different sizes and properties, and some systems incorporate reinforcement, grout or additional finishes according to the design.
Concrete blockwork can be used in residential and commercial buildings, partitions, boundary walls, landscaping and other applications where the specified system is suitable.
Advantages of block construction
Larger masonry units: Larger units can cover more area per unit, although the actual installation time depends on the design, handling, reinforcement and construction details.
Design flexibility: Blockwork can be exposed, rendered or finished in other ways, depending on the product and project.
Range of applications: Concrete masonry can be suitable for specific structural and architectural requirements.
Landscaping options: Appropriately designed blockwork can be used for garden walls and retaining-wall systems.
What should you consider?
The suitability of a block wall depends on its intended purpose, the selected block, reinforcement requirements, foundations, drainage and finishes.
Some block systems need additional surface treatment for the desired appearance or moisture resistance. Their thermal performance also varies with density and the complete wall design.
If you are considering block wall construction in Brisbane, ask your contractor to explain how the proposed system meets the requirements of your project.
3. Which Is Cheaper: Brick or Block Construction in Brisbane?
Cost is often the deciding factor, but neither brick nor block is consistently the cheaper option for every project.
The total cost depends on much more than the purchase price of the masonry units.
Factors include:
- Wall dimensions and height
- Material quality and availability
- Labour and installation time
- Site access and handling
- Excavation and foundations
- Reinforcement and engineering
- Insulation and moisture protection
- Rendering, painting or other finishes
- Demolition and waste removal
- Site preparation and project complexity
For example, a block wall may use fewer individual units, but reinforcement, specialised finishes or other construction requirements can affect the total price. Brickwork may require more individual units, but the final cost depends on the selected brick and wall system.
How to compare quotes properly
Ask each contractor to quote for the same scope of work. Check whether materials, labour, foundations, preparation, finishes, waste disposal and any required specialist work are included.
For existing walls, ask whether the quote includes removing damaged material and addressing any underlying issue identified during assessment.
The best-value option is the one that meets the project’s requirements at an appropriate total cost – not necessarily the one with the lowest material price.
4. Which Performs Better in Brisbane’s Climate?
Brisbane homeowners should consider heat, rainfall, moisture exposure and the overall design of the building.
Both brick and concrete block are masonry materials with thermal mass, but thermal mass and insulation are not the same thing.
Thermal mass describes a material’s ability to absorb and release heat. Insulation helps resist heat transfer. A wall can have substantial thermal mass without providing sufficient insulation on its own.
The performance of a finished wall depends on factors such as:
- Masonry type and density
- Wall thickness
- Insulation
- Cavities and air gaps
- Internal and external finishes
- Window size and orientation
- Shading and ventilation
- Roof and ceiling design
- Moisture management
The Australian Government’s YourHome guide explains that brick and block systems can have useful thermal mass, while insulation and overall construction details influence the building’s thermal performance.
What about moisture?
Rainwater needs to be managed through appropriate building design and construction. Depending on the wall system, this may involve flashings, damp-proof courses, drainage paths, cavity details, weep holes and suitable joints.
Neither brick nor block automatically prevents moisture problems. Correct detailing and workmanship matter.
When comparing options, ask your building designer or contractor how the proposed system will manage heat and moisture for your specific property.
5. Which Material Is More Durable?
Both brick and concrete block can provide durable construction when appropriately designed, installed and maintained.
Durability depends on the masonry units, mortar, construction details, exposure conditions and the way loads and movement are managed.
Common masonry problems include:
- Cracked bricks or blocks
- Deteriorated mortar joints
- Water-related deterioration
- Loose or displaced masonry
- Surface damage
- Cracks caused by movement
- Inadequate drainage or moisture detailing
Not every crack indicates a structural problem, but significant, widening or recurring cracks should not simply be covered up.
A suitable professional should investigate the cause and recommend an appropriate repair.
6. Brick vs Block for Home Renovations
If you are renovating an existing Brisbane home, compatibility with the original building can be an important consideration.
Brick may be a practical choice when an extension needs to match an existing brick facade. A contractor may need to consider the original brick size, colour, texture and mortar profile.
Block construction may be suitable where the renovation plans specify concrete masonry or a particular architectural finish.
The choice should fit the approved design and the requirements of the existing structure.
Before starting a renovation
Confirm the project scope and whether you need a building certifier, engineer or other qualified professional. Depending on the property and work involved, planning, building or character-related requirements may also apply.
If your project involves removing a wall, do not assume it is non-load-bearing. Obtain appropriate advice before altering a wall that may support the building or contain services.
For projects involving wall replacement and rebuilding in Brisbane, the correct sequence is to assess the existing structure, determine the appropriate method and confirm the necessary approvals before work begins.
7. Brick Repair or Block Repair: What If the Existing Wall Is Damaged?
Sometimes the main decision is not which material to use for a new wall, but how to deal with damage to an existing one.
The right repair depends on the type, extent and cause of the problem.
When brick repairs may be suitable
Localised repairs may be appropriate where individual bricks are damaged, mortar has deteriorated or a small section requires replacement, provided the surrounding masonry is sound and the cause of the damage has been addressed.
When more extensive work may be necessary
A more detailed assessment may be needed if the wall has significant displacement, widespread deterioration, recurring cracks or damage associated with movement or moisture.
Depending on the findings, the solution might involve local repairs, repointing, partial rebuilding or more extensive work.
The same principle applies to damaged block walls: replacing a damaged unit without understanding why it failed may not resolve the problem.
If you notice damaged or cracked walls in Brisbane, seek an assessment appropriate to the severity of the issue before deciding on a repair method.
8. When Is Brick Repointing Needed?
Brick repointing involves removing deteriorated mortar from masonry joints to an appropriate depth and replacing it with suitable new mortar.
Signs that repointing may be worth investigating include:
- Crumbling or missing mortar
- Gaps between bricks
- Mortar that has become loose or deteriorated
- Weathered joints
- Water entry associated with failed mortar joints
Repointing is not the same as replacing damaged bricks. It addresses the mortar joints, and the mortar selected should be suitable for the existing masonry.
Using an incompatible mortar or an unsuitable repair method can create additional problems.
For professional brick repointing in Brisbane, ask the contractor to assess the existing mortar and explain the proposed repair process.
9. Brick vs Block for Landscaping and Boundary Walls
Brick and block can both be useful in landscaping, but the right choice depends on the intended function.
Brick can suit decorative garden walls, feature walls and landscaping details that complement a home’s facade.
Concrete blockwork can be suitable for particular garden walls, boundary walls and retaining-wall systems when designed for those uses.
Important: Retaining walls need special consideration
A retaining wall supports soil and may need to resist significant lateral loads. It should not be treated as an ordinary decorative wall.
The design may need to account for soil conditions, drainage, wall height, nearby structures, boundary locations and additional loads.
Brisbane City Council explains that retaining-wall approval requirements depend on factors including height, location, surcharge loading and site conditions.
If your project involves brick landscaping features in Brisbane or block retaining construction, confirm the appropriate design and approval requirements before work begins.
10. What About Commercial Brick and Block Construction?
Commercial projects can have different requirements from residential renovations.
The construction team may need to consider structural specifications, fire and acoustic performance, project scheduling, site safety, material handling and coordination with other trades.
The correct wall system should be determined by the project design and applicable requirements, rather than by a general assumption that brick or block is always stronger or cheaper.
For builders and property owners, it is useful to select a contractor with experience relevant to the type and scale of the work.
11. How to Choose the Right Bricklaying Contractor in Brisbane
Once you understand your options, the next step is to find a contractor who can deliver the required work.
When comparing brick contractors near Brisbane, consider the following.
Relevant experience
Ask whether the contractor has completed similar construction, repair or renovation projects.
Workmanship and previous projects
Look for genuine photographs of completed work. Close-up images can help you assess mortar joints, finishes and repair quality.
Clear written quotations
Make sure the quote explains the work included, materials, preparation, exclusions and any potential additional costs.
Appropriate credentials
Verify relevant licensing, qualifications and insurance for the work being undertaken. Requirements vary according to the scope and nature of the project.
Communication
A good contractor should explain the proposed method, identify uncertainties and let you know when further assessment may be required.
Repair expertise
If the project involves cracked walls or damaged masonry, ask how the contractor will investigate the cause and determine whether repair or rebuilding is appropriate.
Professional bricklaying services in Brisbane should be selected based on the requirements of your project – not just a headline price or an unsupported claim of being the best.
12. Seven Questions to Ask Before Accepting a Quote
Before choosing a contractor, ask:
- Have you completed projects similar to mine?
- Which masonry system do you recommend, and why?
- What materials and finishes are included?
- Does the quote include labour, preparation and waste removal?
- If the existing wall is damaged, how will you assess the cause?
- Are engineering advice, approvals or other specialists required?
- What is the expected timeframe, and how will unexpected work be handled?
Comparing answers alongside the written quotes can help you make a more informed decision.
Brick vs Block Construction: Which Should You Choose?
There is no single answer that applies to every Brisbane home.
Brick may be the better fit when the design prioritises a particular brick appearance, compatibility with an existing facade or a repair that can be completed using matching masonry.
Block may be the better fit when the specified design calls for larger concrete masonry units or a particular structural, architectural or landscaping application.
A combination may also be appropriate. Different masonry systems can be used in the same building when the design and construction details allow for it.
The final decision should account for the complete wall system, installed cost, performance requirements, appearance, maintenance and the condition of the property.
If you are planning a new wall, extension, masonry repair or renovation, discuss your requirements with an experienced contractor and obtain a clear written scope before proceeding.
Need Brick or Block Masonry Work in Brisbane?
Whether you are considering new brickwork, block wall construction, brick repointing, wall repairs or a renovation, start with an assessment of your project and the result you want to achieve.
Contact the team to discuss your project and request a quote.
Frequently Asked Questions About Brick vs Block Construction in Brisbane
1. Is brick or block construction better for Brisbane homes?
Both can be suitable for Brisbane homes. Brick is often chosen for its appearance and compatibility with existing brickwork, while concrete block construction can suit specific structural, architectural and landscaping applications. The best option depends on the building design, budget and site requirements.
2. Is block construction cheaper than brick construction?
Not necessarily. The total cost depends on materials, labour, foundations, reinforcement, insulation, finishes, site access and the scope of work. Compare itemised quotations for the complete wall system rather than comparing material prices alone.
3. Are brick walls more durable than concrete block walls?
Both can be durable when appropriately designed and constructed. Durability depends on material quality, mortar, structural design, moisture management, workmanship and maintenance.
4. Which has better insulation, brick or block?
Neither material is automatically better insulated in every situation. Thermal performance depends on the type of masonry, wall thickness, insulation, cavities and the overall building design.
5. Can brick and block construction be combined?
Yes. Different masonry systems can be used in different parts of a building where the design, structural requirements and construction details permit it.
6. Can bricklayers in Brisbane repair cracked walls?
Bricklayers and masonry contractors can repair many types of damaged brickwork and mortar. Significant, widening or recurring cracks should be assessed to determine the cause before a repair method is selected.
7. When should a brick wall be repointed?
Repointing may be appropriate when mortar joints are crumbling, missing or deteriorated. The existing mortar and masonry should be assessed so that the replacement mortar and repair method are suitable.
8. Should I repair a damaged brick wall or rebuild it?
The decision depends on the extent of damage, the condition of the surrounding masonry and the underlying cause. Localised repairs may be sufficient for limited damage, while extensive deterioration or instability may require rebuilding or specialist assessment.
9. Can concrete blocks be used for retaining walls?
Concrete masonry blocks can be used in appropriately designed retaining-wall systems. The design must account for the retained soil, drainage, loading, foundations and relevant approval requirements.
10. Do I need approval for wall removal or renovation in Brisbane?
Approval requirements depend on the type of work, the property and the applicable regulations. Before removing or altering a potentially structural wall, obtain appropriate professional advice and check the relevant building and planning requirements.
11. How do I choose professional bricklaying services in Brisbane?
Look for relevant project experience, clear written quotations, genuine examples of previous work, appropriate credentials and good communication. For repair work, ask how the contractor will assess the cause of the damage.
12. What should a bricklaying quote include?
A quote should clearly explain the work scope, materials, labour, preparation, finishes, waste removal, exclusions and any potential additional costs. For larger projects, also clarify the expected timeframe and whether other professionals or approvals are required.
