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We are secondary glazing specialists serving Knowle and the surrounding areas. We supply and install high-performance secondary glazing for residential and commercial properties across Knowle, delivering expert results every time.
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Secondary glazing is particularly popular in Knowle for its ability to dramatically reduce external noise and improve thermal comfort without altering the appearance of existing windows. Whether your Knowle property is a Victorian terrace, a modern apartment or a listed building, we have a solution to suit.
Secondary glazing installations in Knowle include horizontal sliding units (HS2 to HS5), balanced vertical sliders (BVS and TBVS with tilt-in facility), hinged units in both slimline and heavy-duty configurations, and bespoke units to match any window shape or size.
We serve all postcodes across Knowle and the surrounding areas of Bristol. Our installations in Knowle are carried out by experienced, FENSA-approved technicians who take pride in delivering clean, professional results every time.
Get a Free Quote in KnowleSecondary glazing reduces noise by up to 80% — ideal for Knowle properties near busy roads, rail lines or urban areas. Outperforms double glazing for sound insulation.
Reduce heat loss by up to 65% with Low-E glass. Perfect for draughty sash or casement windows in older Knowle properties.
The ideal solution for listed buildings and conservation areas in Knowle. Non-intrusive, reversible, planning-friendly.
Multi-point locking and laminated glass provide an additional barrier against forced entry for Knowle homes and businesses.
Our full range of secondary glazing systems is available in Knowle. All units are made to measure to fit your exact window dimensions.
2–5 panel configurations. Max width 4,934mm. 49dB noise reduction with acoustic laminate glass. Available Classic and Enhanced ranges.
HS2 / HS3 / HS4 / HS5Spring-balanced operation with tilt-in facility. Max height 3,325mm. Woolpile and Q-Lon seals. Perfect for traditional sash windows in Knowle.
BVS / TBVS / SPBVS60–72mm slim sightlines. Multi-point locking. Heavy-duty options for larger openings in Knowle commercial or residential properties.
SLHU / HDHU / DHUAny shape — arched, curved, angled. 200+ RAL colours. 10-year guarantee. Ideal for Knowle heritage and listed properties.
Custom SpecificationMany properties in Knowle are located in conservation areas or carry listed building status, making secondary glazing the ideal choice. Our installations in Knowle are carried out sympathetically, preserving the character of original windows while delivering significant improvements in heat retention and noise reduction.
Secondary glazing is non-intrusive, does not alter the external appearance of the property, and is fully reversible — making it planning-friendly in Knowle's conservation areas. Our team has extensive experience working on heritage properties in Knowle and the wider Bristol area.
Many of our customers in Knowle come to us specifically to address noise problems. Whether it's traffic noise, neighbour disturbance, or noise from nearby commercial activity, our secondary glazing systems deliver outstanding acoustic performance — up to 80% noise reduction — without requiring any changes to your existing windows.
With the right specification — acoustic glass and 150–200mm air cavity — secondary glazing in Knowle can achieve up to 80% noise reduction (54dB). This far exceeds the performance of double glazing and can transform a noisy Knowle property into a quiet, comfortable home.
Get a free quote for secondary glazing in Knowle, Bristol. We aim to reply within 24 hours. Just send us a photo of your window and some dimensions and we can quote without visiting.
We also cover these areas near Knowle in Bristol. Click to find out more about our secondary glazing services in each location.