Magnetic Secondary Glazing

    Easy-remove DIY solution with no drilling required

    9 min read
    £300-700

    Per window installed

    30-60min

    DIY installation time

    30 sec

    To remove/replace

    How Magnetic Glazing Works

    1

    Magnetic Strips on Frame

    Self-adhesive magnetic tape is applied to your existing window frame (no drilling or damage)

    2

    Metal Strip on Panel

    Lightweight glazing panel has matching metal strip around its perimeter

    3

    Click On, Pull Off

    Panel magnetically clips onto frame for perfect seal, easily removed whenever needed

    Pros & Cons

    Advantages

    • No drilling or permanent fixings required
    • Perfect for renters and listed buildings
    • Easy seasonal installation/removal
    • DIY-friendly installation
    • Lower cost than fixed systems
    • Easy window cleaning access
    • Lightweight and safe

    Limitations

    • Not suitable for large or heavy panels
    • Magnets can weaken over time
    • Less robust than fixed systems
    • Can be accidentally knocked off
    • Not ideal for very drafty locations
    • Maximum size typically 1m x 1.5m

    Best For

    Renters

    No permanent changes to property, take with you when you move

    Listed Buildings

    No drilling into historic frames or reveals

    Seasonal Use

    Install in winter, remove in summer for ventilation

    Small Windows

    Perfect for standard casement and sash windows

    DIY Enthusiasts

    Simple installation with basic tools

    Budget Projects

    Lower cost than permanent installations

    DIY Installation

    What You Need

    Tools Required

    • • Tape measure
    • • Scissors
    • • Clean cloth and cleaner
    • • Masking tape (for alignment)

    Skill Level

    Beginner Friendly

    No special skills required. If you can measure and cut straight, you can install magnetic glazing.

    Material & Panel Options

    Acrylic Panels (Standard)

    Lightweight, safe, cost-effective

    £160-300/m²
    • 3-4mm clear acrylic, optical clarity comparable to glass
    • 50% weight of glass - safe and easy to handle
    • Won't shatter if dropped during removal

    Glass Panels (Premium)

    Better clarity and scratch resistance

    £240-500/m²
    • 4mm toughened glass for safety
    • Superior optical clarity, no yellowing over time
    • Heavier - may need stronger magnets

    Cost Breakdown by Window Size

    Window SizeAcrylic PanelGlass PanelDIY Install Time
    Small (600×900mm)£160-240£240-36020-30 min
    Medium (1000×1200mm)£300-440£440-64030-45 min
    Large (1500×1500mm)£500-700£700-1,00045-60 min

    Professional installation available: £120-200/window

    Magnetic vs Fixed Systems Comparison

    FeatureMagneticFixed/Hinged
    InstallationNo drilling, 30 min DIYScrews required, 2+ hours
    Removal30 seconds, completely reversiblePermanent or difficult
    Cost£300-700£600-1,200
    Seal QualityGood (compression seals)Excellent (permanent seals)
    Durability5-10 years (magnets weaken)20+ years
    Best ForRenters, seasonal use, listed buildingsPermanent installations, daily use

    Frequently Asked Questions

    Compare All Secondary Glazing Types