Secondary Glazing Case Studies

    Discover how we've transformed properties across London with bespoke secondary glazing solutions. From Grade II listed buildings to modern commercial offices, see our work in action.

    Listed Buildings

    Grade II Listed Georgian Townhouse, Belgravia

    The Challenge

    Original sash windows dating from 1820 required preservation while reducing significant traffic noise from a busy London street.

    Our Solution

    Installed slim-profile secondary glazing with acoustic laminated glass, maintaining the period aesthetic while achieving 42dB noise reduction.

    Results

    • ✓ 42dB noise reduction
    • ✓ 65% heat loss reduction
    • ✓ Full planning approval
    • ✓ Original windows preserved
    Conservation Areas

    Victorian Terrace, Islington Conservation Area

    The Challenge

    Victorian bay windows with single glazing causing severe heat loss and condensation issues in a designated conservation area.

    Our Solution

    Custom-made curved secondary glazing panels to match the bay window profile, using low-E glass for enhanced thermal performance.

    Results

    • ✓ 70% reduction in heating bills
    • ✓ Condensation eliminated
    • ✓ Conservation approval granted
    • ✓ U-value improved from 5.0 to 1.8
    Commercial

    Canary Wharf Commercial Office

    The Challenge

    Open-plan office experiencing significant noise pollution from adjacent construction works affecting employee productivity.

    Our Solution

    Full building secondary glazing installation completed over two weekends to minimize business disruption, using 10.8mm acoustic glass.

    Results

    • ✓ 50dB noise reduction
    • ✓ Zero business downtime
    • ✓ Improved staff wellbeing
    • ✓ Energy costs reduced by 40%
    Noise Reduction

    Period Property Near Heathrow Flight Path

    The Challenge

    Beautiful Edwardian home suffering from severe aircraft noise, with sound levels exceeding 85dB during peak times.

    Our Solution

    Specialist acoustic secondary glazing with maximum air gap and triple-layer laminated glass throughout the property.

    Results

    • ✓ 55dB noise reduction
    • ✓ Sleep quality restored
    • ✓ Property value increased
    • ✓ Original character maintained
    Educational

    Victorian School Building, Camden

    The Challenge

    Historic school building with original windows requiring thermal upgrade without altering protected facade.

    Our Solution

    Magnetic secondary glazing system allowing easy removal for cleaning and maintenance, with thermal and acoustic benefits.

    Results

    • ✓ Heating costs reduced 50%
    • ✓ Classroom noise reduced
    • ✓ Easy maintenance access
    • ✓ Heritage preserved
    Thermal Insulation

    Georgian Property, Richmond

    The Challenge

    Large Georgian windows causing extreme cold drafts in winter and overheating in summer, with annual heating bills exceeding £4,000.

    Our Solution

    Slim-line secondary glazing with solar control glass to reduce summer heat gain while improving winter insulation.

    Results

    • ✓ Annual savings of £2,400
    • ✓ Year-round comfort
    • ✓ UV protection added
    • ✓ Heritage maintained

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