Should you tackle exterior cleaning yourself or hire a professional? The answer isn’t one-size-fits-all. Some tasks are perfect for DIY, while others require professional equipment, expertise, or carry potential risks.

In this guide, we’ll break down various exterior cleaning tasks, such as house washing, roof treatment, gutter cleaning, and more, helping you decide when it’s best to handle it yourself and when to call in the pros.

Making an informed decision can save you time, money, and potential damage to your property.

The DIY vs Professional Matrix

When deciding whether to tackle an exterior cleaning task yourself or hire a professional, the key is understanding the level of difficulty, safety, and expertise required.

Below, we’ve broken down various cleaning services to help you make the best choice for each situation.

1. House Washing

DIY Appropriate When:

• ✅ Single-story house
• ✅ Easy roof access not required
• ✅ Light dirt/dust (not heavy mould)
• ✅ You have time (6-8 hours)
• ✅ Comfortable with ladders

Hire Professional When:

• ❌ Two-story or higher
• ❌ Heavy mould/algae buildup
• ❌ Delicate cladding (render, weatherboard)
• ❌ You value your weekend
• ❌ Dangerous roof access required

DIY Cost: $150-300 (equipment rental + cleaning solution)
Professional Cost: $400-800
Time: DIY 6-8 hours vs Professional 2-4 hours
Verdict: If single-story with light dirt, DIY is viable. For two-story or heavy buildup, professional is safer and faster.

2. Roof Treatment

DIY Appropriate When:

• ✅ NEVER (too dangerous)

Hire Professional Always:

• ❌ Fall risk from height
• ❌ Wrong pressure damages tiles
• ❌ Requires specialized equipment
• ❌ Insurance voids if DIY damage
• ❌ Treatment chemicals require training

DIY Cost: N/A (unsafe)
Professional Cost: $300-800
Risk: Serious injury or death from falls
Verdict: ALWAYS hire professionals for roof work. This is non-negotiable.

3. Gutter Cleaning

DIY Appropriate When:

• ✅ Single-story house
• ✅ Comfortable with ladders
• ✅ Gutters accessible from ground
• ✅ No valley gutters (complex)
• ✅ You have proper ladder safety equipment

Hire Professional When:

• ❌ Two-story or higher
• ❌ Steep roof pitch
• ❌ Valley gutters or complex roof
• ❌ You’re not confident with heights
• ❌ Gutters haven’t been cleaned in 2+ years (heavy buildup)

DIY Cost: $0-50 (just your time + bin bags)
Professional Cost: $150-250
Time: DIY 2-3 hours vs Professional 30-60 minutes
Verdict: If single-story and you’re comfortable with ladders, DIY is reasonable. For anything higher or complex, professionals are safer.

3. Driveway/Concrete Cleaning

DIY Appropriate When:

• ✅ You can rent/buy water blaster
• ✅ Small area (single car driveway)
• ✅ Standard concrete (not exposed aggregate or pavers)
• ✅ Light staining only

Hire Professional When:

• ❌ Large area (double/triple garage + paths)
• ❌ Heavy oil stains
• ❌ Delicate surfaces (exposed aggregate, pavers, stamped concrete)
• ❌ Want sealing done after cleaning

DIY Cost: $80-150 (water blaster rental for weekend)
Professional Cost: $200-500
Time: DIY 4-6 hours vs Professional 1-2 hours
Verdict: Small, simple driveways are DIY-friendly. Large or stained areas are better professionally cleaned (better equipment, faster results).

4. Window Cleaning

DIY Appropriate When:

• ✅ Ground floor windows only
• ✅ Standard glass (no skylights)
• ✅ You have proper squeegee/tools
• ✅ Minimal hard water staining

Hire Professional When:

• ❌ Second-story or higher
• ❌ Commercial buildings
• ❌ Skylights or hard-to-reach windows
• ❌ Heavy hard water/mineral buildup

DIY Cost: $20-40 (cleaning supplies)
Professional Cost: $150-350
Time: DIY 2-3 hours vs Professional 1 hour
Verdict: Ground-floor residential windows are easy DIY. Anything higher or commercial = hire professionals.

5. Deck/Fence Cleaning

DIY Appropriate When:

• ✅ Deck is timber (not composite)
• ✅ You understand correct PSI for timber
• ✅ Planning to stain/seal yourself anyway
• ✅ Small area

Hire Professional When:

• ❌ Composite decking (wrong pressure ruins it)
• ❌ Large deck/multiple fences
• ❌ Want professional staining after
• ❌ Unsure about correct pressure

DIY Cost: $80-150 (water blaster rental + deck cleaner)
Professional Cost: $200-600
Risk: Too much pressure destroys timber grain
Verdict: If experienced with water blasters and understand timber, DIY is viable. First-timers should hire professionals to avoid damage.

When DIY Goes Wrong

While DIY exterior cleaning can save money, it can also lead to costly mistakes if not done properly. Here are a few real-life examples of what can go wrong when trying to clean your property yourself:

1. Pressure Washer Damage

The Situation

A homeowner attempted to clean their weatherboard cladding using a 3000 PSI pressure washer. They didn’t realize the power of the water was too strong for the delicate wood, and it stripped the paint off the surface and exposed bare timber.

The Result

The homeowner had to pay for a full repaint of that side of the house.

• Repair Cost: $4,500 (repainting the entire side of the house).
• Professional Cleaning Cost: A professional soft wash would have cost around $400 and wouldn’t have caused any damage.

2. Roof Fall Injury

The Situation

A homeowner decided to clean their roof, despite the steep pitch and the dangerous height. They slipped and fell from the roof while cleaning, leading to a serious injury.

The Result

The homeowner ended up with a broken leg, requiring an ACC claim and medical treatment. They had to take 6 weeks off work for recovery.

• Professional Roof Treatment Cost: $500 (this would have prevented the fall and ensured the roof was cleaned safely).
• Total Cost for the Homeowner: Medical bills, lost wages, and the long-term health consequences far outweighed the cost of hiring a professional.

3. Gutter Overflow Foundation Damage

The Situation

A homeowner cleaned their gutters but missed a blockage in the downpipe. After a heavy rainstorm, the gutters overflowed and water poured into the foundation of the house, causing water damage.

The Result

The overflow caused foundation issues, leading to expensive repairs to the structure of the home.

• Repair Cost: $8,000 (foundation repair).
• Professional Gutter Clean Cost: A professional gutter clean would have found the blockage for $180.

The Smart Hybrid Approach

You don’t have to choose all-DIY or all-professional. There’s a smart middle ground where you can handle some tasks yourself while leaving the more complex or risky ones to the experts.

This hybrid approach lets you save money on easy tasks, while ensuring quality and safety on the more critical work. Here’s how to make it work for you:

DIY Tasks (Low-Risk, Easy)

For low-risk tasks that are easy to manage, you can tackle them yourself without worrying about potential damage. Here are a few examples:

• Regular Hose-Down Between Professional Cleans: Simply rinsing your driveway, paths, and deck with water every few months can help keep dirt and debris from accumulating. It’s a simple task that can make a noticeable difference in your property’s appearance.
• Ground-Level Window Cleaning: If you’re comfortable using a squeegee and cleaning solution, ground-level windows are easy to clean yourself. Just make sure to do it safely by using a stable ladder if needed.
• Small Path Spot-Cleaning: For minor stains or dirt build-up, a quick clean-up with a hose or water blaster on your paths or patios is doable without professional help.
• Gutter Debris Removal (if Single-Story and Confident): If you have a single-story home and feel comfortable with a ladder, you can remove light debris from gutters. Just ensure you’re following safety procedures and wearing the proper gear.

Professional Tasks (High-Risk, Specialized)

For anything involving heights, specialized equipment, or high-value surfaces, professionals deliver better results with a lower total cost (when you factor in equipment, time, and risk). Consider leaving these tasks to the experts:

• Annual House Washing (Proper Soft Wash): A professional soft wash ensures a deep clean without damaging delicate surfaces, like weatherboard or render. It removes mould, algae, and dirt safely, restoring the home’s appearance without stripping paint or wood.
• Roof Treatment (Dangerous + Requires Expertise): Roof cleaning is hazardous and requires specialized equipment and knowledge. Professionals use the right pressure and treatment chemicals to safely clean and protect your roof.
• Two-Story Anything (Safety): For anything over a single story, the risks of DIY cleaning increase. Professionals have the right equipment to clean hard-to-reach areas safely and efficiently.
• Pre-Sale Comprehensive Clean (Need Perfect Results): When selling your property, professional cleaning ensures everything is spotless for potential buyers. A professional clean will enhance curb appeal and increase the value of your home.
• Heavy Staining/Mould (Need Professional-Grade Equipment): For tough stains or heavy mould, professionals have high-powered equipment and cleaning solutions that achieve better results than DIY methods.

Recommended Schedule:

• Annual Professional House Wash: Hire professionals for a full exterior clean once a year to remove built-up grime and protect your surfaces.
• DIY Quarterly Rinse Between Washes: Keep up with a simple hose-down every few months to maintain a clean look and prevent build-up.
• Professional Roof Treatment Every 2-3 Years: Schedule professional roof cleaning and treatment every 2-3 years to keep your roof in optimal condition.
• DIY Window Cleaning: Clean ground-level windows yourself, but leave second-story or higher windows to the professionals.
• Professional Gutter Cleaning: If your gutters haven’t been cleaned in a while or are hard to reach, it’s best to hire a professional to ensure they’re properly cleared.

DIY Equipment and Costs

If you’re considering DIY exterior cleaning, it’s essential to know what equipment you’ll need and how much it will cost. While DIY can be cost-effective for smaller tasks, it’s important to understand the full cost of equipment rental or purchases, and whether it’s worth the investment. Here’s a breakdown of typical DIY equipment and associated costs:

Basic DIY Kit (Ground-Level Work)

For simple exterior tasks like light cleaning of windows, paths, or small surfaces, you can use basic tools that are easy to find and fairly inexpensive.

1. Garden Hose with Spray Nozzle

Cost: $30-60
A garden hose with a spray nozzle is essential for cleaning surfaces such as paths, driveways, and ground-level windows. You may also need a hose extension if you want to reach higher areas.

2. Exterior Cleaning Solution

Cost: $20-40
Depending on the task, you will need cleaning solutions like mildew remover, degreaser, or general-purpose cleaner for various surfaces like windows, paths, and walls.

3. Soft Bristle Brush

Cost: $15-30
A brush is necessary for scrubbing dirt and stains from surfaces like concrete or decking. It helps loosen debris and ensures better cleaning results.

4. Ladder (if single-story)

Cost: $150-300 (or hire $40/day)
For cleaning windows, gutters, or reaching certain areas, you’ll need a sturdy ladder. If you don’t have one, renting a ladder is a cost-effective option for short-term use.

5. Safety Gear

Cost: $50
Essential for protecting yourself during DIY tasks, especially when using ladders or cleaning chemicals. Gear includes gloves, goggles, and non-slip shoes.

Total Cost (Basic DIY Kit): $265-480

Water Blaster Kit (Driveways/Paths)

For more intensive cleaning, especially on driveways, patios, and paths, you’ll need a water blaster. These can be rented for one-time use or purchased for frequent tasks.

Water Blaster Rental

Cost: $80-120/day
Renting a water blaster for a weekend is a cost-effective option for small to medium-sized driveways or paths. You can rent it from hardware stores or cleaning equipment suppliers.

Or Purchase Consumer Unit

Cost: $300-800
If you plan to clean frequently, purchasing a water blaster could be a worthwhile investment. Prices vary depending on the power and brand. Look for a unit with adjustable pressure settings to ensure you don’t damage surfaces.

Surface Cleaner Attachment

Cost: $80-150
This attachment helps distribute pressure evenly, making it ideal for cleaning driveways and paths more efficiently without causing streaking or damage.

Concrete Cleaning Solution

Cost: $30
For heavy-duty stains like oil or rust, you may need a special cleaning solution designed for concrete surfaces.

Safety Glasses/Boots

Cost: $50
Always use safety gear to protect yourself from debris or water pressure when using a water blaster.

Total Cost (Water Blaster Kit Rental): $240-350 (for one job)
Total Cost (Water Blaster Purchase): $460-1,030

DIY vs Professional Cleaning Costs

While DIY cleaning might seem like a cost-effective solution, it’s important to factor in the total costs of equipment, time, and maintenance.

After just 2-3 professional cleanings, you might have spent as much—or more—on equipment and rental fees than if you had hired a professional to do the job for you.

For instance, purchasing a water blaster and necessary tools could cost you upwards of $460, and you’ll need to maintain the equipment.

For professional cleaning, you’re paying for expertise, high-quality results, and equipment that’s more effective at getting the job done in less time.

Conclusion

The choice between DIY and professional exterior cleaning depends on safety, quality, and value. For simple, low-risk tasks like cleaning windows or paths, DIY can be effective.

However, for high-risk jobs like roof cleaning, house washing, or heavy-duty stain removal, professionals provide better results and ensure safety.

At Sun SoftWash, we offer expert services with eco-friendly solutions, ensuring your home stays clean and well-maintained. Contact us today for a free quote and let us help you decide the best cleaning approach for your property.