Local. Reliable. Family-Owned.

At Grandline Fencing & Gates, we’re more than just installers — we’re a family-owned business based right here in Pinjarra. From the Mandurah foreshore to Perth’s southern suburbs, we pride ourselves on building fences and gates that keep your family safe, add value to your home, and stand the test of time. With our dog Bear supervising and our backyard chickens keeping us humble, we bring a country-town work ethic and genuine care to every job.

Call us on +61 497 852 829 or email us at info@grandlinefencing.com.au

Fencing and Gates Solutions

  • Colorbond Steel Fencing & Gates

    Strong, durable, and low-maintenance.

    We supply and install Colorbond steel fencing in a wide range of colours to suit any property. Perfect for privacy and built tough for WA conditions, servicing Mandurah, Peel and Perth South.

  • Slat Fencing & Gates

    Strong, durable, and low-maintenance.

    We supply and install Colorbond steel fencing in a wide range of colours to suit any property. Perfect for privacy and built tough for WA conditions, servicing Mandurah, Peel and Perth South.

  • Aluminium Fencing & Gates

    Lightweight, strong, and weather-resistant.

    Aluminium fencing and gates provide a smart, low-maintenance option that won’t rust or warp. Ideal for coastal Mandurah properties and beyond.

  • Pool Fencing & Gates

    Safe, stylish, and fully compliant.

    Our custom pool fencing and gates combine safety with design. Built to meet WA regulations, we install clear, aluminium, and custom options to secure your pool area.

  • Custom Gates

    Safe, stylish, and fully compliant.

    Our custom pool fencing and gates combine safety with design. Built to meet WA regulations, we install clear, aluminium, and custom options to secure your pool area.

  • Fencing Extensions

    Add extra height and security without replacing your whole fence. We offer slat, lattice, and aluminium extensions to give your fence a fresh look while improving privacy and safety.

Our Process

  • Enquiry

    Submit a request online or give us a call to get started.

  • Site Visit & Quote

    We arrange a free on-site measure and provide a detailed quote.

  • Quote Accepted

    Once deposit is paid, we confirm your job details and schedule your project.

  • Plan

    Your custom fencing and gates are plan and prepared to suit your property.

  • Installation

    Our team installs your fencing and gates with care, ensuring a strong, clean and professional finish.

  • Completion

    We check everything is perfect, clean up, and hand over your new fence or gate ready to enjoy.

FAQ

Do you offer free quotes?

Yes - we provide free, no-obligation quotes across Mandurah, Pinjarra, the Peel region and Perth South. Simply contact us with your details and we'll arrange a measure and quote.

What fencing and gates options do you offer?

We specialise in Colorbond, aluminium, slat and pool fencing, as well as custom gates including single, double and sliding designs. We also offer fence extensions, retaining wall fencing and difficult installs like core drilling.

Can you remove my old fence?

Yes — we can remove and dispose of your old fence before installing your new one. This service can be included in your quote.

Do you handle sloping or uneven blocks?

Absolutely. We provide retaining wall fencing solutions, plinths and core drilling to ensure your new fence is strong, level and built to last, even on tricky boundaries.

What areas do you service?

We’re based in Pinjarra and proudly service Mandurah, the Peel Region and Perth’s southern suburbs. We also travel further south and inland where needed — just get in touch and we’ll let you know if we can help in your area.