The London Noise Reduction Guide

A practical handbook for London homeowners, heritage properties and flats on busy roads — how secondary glazing cuts traffic, rail and aircraft noise by up to 54 dB.

• How traffic, rail and aircraft noise reach your rooms
• The physics of mass, cavity depth and PVB interlayers
• 2026 London pricing tiers from £450 to £1,600 per window
• Listed-building & conservation-area rules explained
• 6-step homeowner checklist before you request a quote

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