Fences play a big role in curb appeal, property value, and protection — but in Wellington’s windy, damp, and bush-heavy climate, it doesn’t take long for timber or concrete fences to look weathered and grimy. Whether your fence is covered in moss, black mould, or green algae, regular cleaning is essential to keep it looking sharp and lasting longer.
At Metro Water Blasting, we offer professional fence cleaning services across Wellington, using techniques tailored to your fence type — from heritage timber panels to concrete block walls and modern privacy slats.
👉 Learn more: Fence Cleaning Wellington
Why Fences in Wellington Get So Dirty
Wellington’s unique geography and climate are a perfect storm for outdoor surface wear:
- High humidity and rainfall create damp surfaces — perfect for moss and mould
- Bush-covered suburbs like Wilton, Khandallah, and Ngaio stay shaded and damp for much of the year
- Salt air in coastal suburbs like Lyall Bay and Island Bay breaks down timber sealants and encourages green algae
- Airborne grime and road dust from busy suburbs like Karori, Newtown, and Mount Cook settle on fence surfaces year-round
If left uncleaned, your fence will not only look tired — it may start to rot, stain your surrounding surfaces, or contribute to moisture damage near your foundations.
Suburb-Specific Fence Challenges
✅ Khandallah & Ngaio
Bushy, damp hillsides mean fences are often coated in green moss or dark black mould — especially on southern-facing panels.
✅ Island Bay & Lyall Bay
Coastal air deposits salt, which breaks down timber and encourages algae. Sea spray and wind carry extra dirt onto fences near open sections.
✅ Karori
Windy and often shaded, with leaf litter from large trees that contributes to grime and organic growth. Painted fences fade fast here.
✅ Wilton & Aro Valley
Close to vegetation, with high humidity and steep properties. We see timber decay and green moss spreading across post rails and horizontal boards.
✅ Newtown & Mount Cook
Urban density = road grime, dust, and air pollution that coats fences with fine grey residue, especially near busy streets and intersections.
What Types of Fences We Clean
We work with all types of residential and light commercial fences:
- Timber fences – vertical boards, slatted panels, batten fencing, lattice tops
- Concrete block or plastered fences – low walls, boundary fences, rendered privacy walls
- Metal or powder-coated fencing – gates, screens, or decorative panels (soft washed)
- Stone or brick fences – sealed or unsealed
Our team chooses the appropriate low or medium-pressure water blasting technique, paired with biodegradable cleaners that safely lift grime, mould, and algae without damaging the surface.
Before & After: Wellington Fence Restorations
✅ Island Bay – A weathered timber fence covered in green algae was fully cleaned and treated, restoring the natural grain of the wood.
✅ Khandallah – A shadowed backyard fence line was coated in black mould. Our team used a gentle treatment to kill the growth and brighten the timber.
✅ Karori – A rendered concrete fence with grey grime streaks was restored to a clean, bright finish in just one session.
👉 Related read: Island Bay Driveway Cleaning – Before & After
👉 Also see: Spring Maintenance Guide for Wellington Homes
Why Choose Professional Fence Cleaning?
While DIY can seem tempting, it often leads to:
- Uneven results from poor technique or inconsistent pressure
- Surface damage, especially on soft timber or painted finishes
- Missed biological growth, which will return quickly if not properly treated
- Lack of edge/detail cleaning, especially on lattice or post caps
We use professional gear, pre-treatments, and edge tools to clean thoroughly — even in the toughest Wellington conditions.
Add-On Services for a Full Refresh
Fence cleaning pairs perfectly with:
- Deck Cleaning – Refresh your outdoor space entirely
- House Washing – Especially when fences are connected to cladding
- Concrete Cleaning – Clean up paths or bases next to your fence line
- Roof or Gutter Cleaning – Protect fences from organic matter runoff
FAQs About Fence Cleaning in Wellington
Q: Will water blasting damage my timber fence?
No. We assess the timber type and finish before starting and use soft or medium pressure depending on the surface condition.
Q: Can you clean painted or stained fences?
Yes — we take care not to strip paint unless it’s flaking. If a fence is due for painting, cleaning first is ideal.
Q: Do you apply any treatments after cleaning?
We don’t apply stains or sealants, but we kill off bio-growth with biodegradable products that prevent regrowth.
Q: How often should I clean my fence?
Every 12–18 months depending on shade, exposure, and location.
Book Your Wellington Fence Clean Today
Whether your fence is green with algae or just looking dull and dirty, we can restore it with safe, effective cleaning. Let Metro Water Blasting help you protect your fence — and boost your home’s overall look.
📍 Based in Wellington
📞 Call 0800 997 997 – Available 24/7
📅 Get your free quote today: Fence Cleaning Wellington