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8 Smart Gate & Fencing Solutions for Coastal and Challenging Sites

On the Coromandel, a gate or fence has to do a lot more than look good. It has to handle wind, salt air, steep driveways, tricky boundaries, and clients who want a solution that performs without dominating the view.

Over the past couple of years, we’ve built dozens of custom gates, fences, balustrades, and handrails across Tairua, Whitianga, Pauanui, Ferry Landing, and beyond. Each one was designed to suit their unique space (not the other way round!). 

Here are eight of the most effective and most requested solutions we deliver for coastal and challenging sites from our workshop in Tairua. 

1. Coastal-Safe Galvanised Steel Fencing, Tairua

Durable, subtle, and compliant, this design was engineered to protect views and meet council requirements.

One of our standout Tairua installs involved creating a fence system that secured the property without compromising the harbour and bar views. The brief included aesthetics, council compliance, and working within a strict boundary so nothing encroached on the reserve.

What we delivered:

  • Around 1m fence height to preserve views

  • Fully galvanised steel that naturally weathers to a soft matte grey

  • A custom bi-fold gate system with a hold-back mechanism

  • GSM-automated sliding gate (open via text or phone)

  • Magnetic, lockable pedestrian latches

  • Clean installation across varied, sloping terrain

The result is one of those jobs where everything just works β€” durable, discreet, and practical.

πŸ“ Location: Tairua
πŸ“ Materials: Galvanised steel
πŸ“ Key challenge: Preserve views + meet TCDC requirements

Coastal-safe galvansied steel fencing in Tairua by Alted

2. Sustainable Pool Fencing Using Existing Materials, Manaia Road, Tairua

Blending reuse, compliance, and coastal durability.

This pool fencing upgrade asked us to reuse as much of the existing materials as possible while fabricating new sections to complete the project.

What we delivered:

  • Reinstated existing fencing where possible

  • Fabricated new sections to suit the layout

  • Modified selected pieces for fit and compliance

  • Used 316 stainless steel tubing for longevity and corrosion resistance

The final result is a smart balance between sustainability and craftsmanship β€” compliant, durable, and clean-lined.

πŸ“ Location: Manaia Road, Tairua
πŸ“ Materials: 316 stainless + reused components
πŸ“ Key challenge: Mix old and new seamlessly

Pool fencing 316 stainless by Alted

3. Bespoke Handrails Along a Sloped Retaining Wall, Tairua

Safety, slope geometry, and visual integration.

At Fantail Terrace, we partnered with Hamilton-based builders Measured Construction to install a combination of indoor and outdoor handrails designed for both access and safety.

Key features:

  • Garage handrails for internal access

  • Large exterior handrail system following a retained wall

  • Designed to complement the home and surrounding landscape

  • Installed on a steep, uneven grade requiring accurate onsite alignment

These handrails prove that safety features can be both functional and architectural.

πŸ“ Location: Fantail Terrace, Tairua
πŸ“ Materials: Steel handrail system
πŸ“ Key challenge: Sloped, uneven site

Fencing Fantail Terrace Tairua

4. Handrails with Panoramic Coastal Views, Ferry Landing

Marine-grade fabrication for one of the most exposed sites on the Peninsula.

Coastal properties need products that last. At Ferry Landing, we fabricated custom steel handrails that deliver both safety and a clean, modern look.

Why steel was the right choice:

  • Exceptional durability in marine environments

  • Strong, low-visual-profile design

  • Minimal maintenance compared to timber or aluminium

  • Perfect for exposed sites where salt air is a daily factor

A rewarding project with a stunning backdrop.

πŸ“ Location: Ferry Landing, Coromandel
πŸ“ Materials: Steel handrails
πŸ“ Key challenge: High salt exposure

Coastal balastrade steel fencing

5. Custom Gabion Basket Panels for Coastal Homes, Whitianga Waterways

When off-the-shelf won’t handle the load, you engineer your own.

These tall gabion baskets needed to hold 100 mm river stones without blowing out. Parked next to the Whitianga Waterways, coastal winds and salt air would be chewing through standard options.

What we delivered:

  • 75Γ—75Γ—5 mesh and 75Γ—6 EA

  • Galvanised for coastal durability

  • Custom-fitted around existing structural steel

  • Bolted sections forming a rigid, seamless basket

  • Designed, fabricated, and installed by the Alted crew

πŸ“ Location: Whitianga Waterways
πŸ“ Materials: Heavy-duty galvanised mesh + EA
πŸ“ Key challenge: Load-bearing + coastal exposure

Custom gabion baskets Whitianga Waterways

6. Commercial Wharf Fencing Upgrade, Whitianga Wharf

Public infrastructure needs serious longevity, plus a tidy, cohesive finish.

For this Thames Coromandel District Council upgrade, our task was to replace a tired, lightweight setup with something robust enough for long-term public use.

What we delivered:

  • New fencing aligned with existing surrounds

  • Heavy-duty fabricated solution

  • Solid mounting for high-traffic durability

  • Capped posts for weather protection

  • Integration into both the concrete nib wall and lower wharf level

Coastal, public, long-lasting. That's right, built tough and built right.

πŸ“ Location: Whitianga Wharf
πŸ“ Materials: Heavy-duty galvanised steel
πŸ“ Key challenge: Public-use durability

Wharf steel fencing for TCDC by Alted

7. Sliding Gates for Angled, Sloping Driveway, Tairua

Geometry, slope alignment, powder coating, and small-dog-proof spacing.

This custom sliding gate needed to solve both practical and aesthetic challenges, including keeping a very determined small dog in.

What we delivered:

  • Geometry set to suit the slope

  • Gaps no wider than 90mm

  • Powder-coated to match the home

  • Lockable latches for easy access

  • Smooth, stable sliding action

A fantastic example of engineered problem-solving meeting architectural design.

πŸ“ Location: Tairua
πŸ“ Materials: Powder-coated steel
πŸ“ Key challenge: Sloped site + dog-proofing

Gate on sloping driveway by Alted in Tairua

8. Smart Under-Deck Storage Sliding Gates, Pauanui Waterways

Reusing leftover building materials, definitely a clever way to blend sustainability with custom fabrication.

Our client had aluminium louvre profiles left over from their house build and asked if we could turn them into sliding storage gates. Absolutely.

What we delivered:

  • Reused louvre profiles

  • RHS frames fabricated from reused material

  • Fresh coating applied after sanding and prep

  • Ball-bearing rollers for smooth sliding

  • Low-profile top guide rail for stability

Sleek, subtle, practical. A standout example of smart design in a coastal environment.

πŸ“ Location: Pauanui Waterways
πŸ“ Materials: Aluminium louvre profiles + RHS
πŸ“ Key challenge: Reuse + limited under-deck space

Underdeck sliding gate storage by Alted