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AluK 58BW HI Casement Windows – High-Performance Aluminium Windows by Goldhill Glazing

Slimline Aluminium. Outstanding Thermal Efficiency. Expertly Installed Across Dorset & Wiltshire

At Goldhill Glazing, we supply and install the AluK 58BW HI Casement Window System – a high-performance aluminium window designed to offer maximum efficiency, security, and style. Whether you’re replacing tired timber windows or choosing glazing for a modern extension, the 58BW HI delivers the perfect balance of aesthetics and engineering.

We install AluK 58BW HI windows across Shaftesbury, Blandford, Poole, Gillingham, Warminster, and Salisbury, offering tailored advice and expert craftsmanship on every job.

Key Features of the AluK 58BW HI Casement Window

  • High Insulation (HI) Performance
    Designed to exceed current thermal regulations with U-values as low as 1.2 W/m²K using triple glazing. Keeps homes warm and energy-efficient all year round.

  • Sleek, Slim Sightlines
    Minimal frame, more glass – perfect for modern designs or maximizing natural light in traditional homes.

  • Multiple Opening Configurations
    Side-hung, top-hung, fixed light, or combination units – built to your exact needs.

  • Security as Standard
    Built to meet PAS 24 and Document Q security standards, with optional multi-point locking and internal glazing.

  • Low Maintenance Aluminium
    Durable powder-coated finish, available in a huge range of RAL colours, including Textured Feinstruktur finishes for a premium look.

  • Heritage or Modern Aesthetics
    Frame depths of 58mm or 70mm to suit both new builds and refurbishments.

Ideal For:

  • ✅ Modern extensions & renovations

  • ✅ Coastal and rural properties (resilient against weather)

  • ✅ Energy-conscious homeowners

  • ✅ Replacement of timber or older aluminium units

Why Choose Goldhill Glazing?

  • ✔ FENSA Registered Installer

  • ✔ 10-Year Guarantee

  • ✔ Local service with competitive pricing

  • ✔ Clean, efficient installation

  • ✔ Advice on styles, glazing, and finishes

Available Across:

  • Shaftesbury – Great for energy upgrades in older stone or brick homes

  • Blandford – Match classic style with a modern edge

  • Poole – Perfect for salt-air environments with low-maintenance finishes

  • Gillingham & Warminster – A clean upgrade with no compromise on character

  • Salisbury – Excellent option for conservation-sensitive refurbishments

Book a Free Consultation

Looking to install high-performance, slimline aluminium windows in Dorset or Wiltshire? Goldhill Glazing is your trusted local installer for AluK 58BW HI Casement Windows.

📞 Call 07510 611 367
📧 Email: goldhillglazing@outlook.com

Let us help you bring style, efficiency, and durability to your home with AluK’s top-performing aluminium window system.