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Secondary Glazing

Secondary Double Glazing

Discreet and low key, the solution to draughts, noise, and energy efficiency

City Sound have over 37 years experience in fitting secondary double glazing for companies and private individuals, and are able to provide solutions to overcome draughts, sound proofing, and insulation that are low-profile, and hardly visible once installed.

London's leading secondary glazing company

City Sound is London's leading secondary glazing company. Not to be confused with double glazing, our windows are fitted internally and offer a wide range of benefits - the most requested being sound proofing. Apart from noise
insulation, secondary glazing will also give you draught proofing, thermal insulation and added security.

Cost efficient secondary glazing, listed building a speciality

Secondary glazing is not only cost efficient, but is also sometimes the only
option for listed buildings or those within a conservation area.

Styles to suit every taste

Our wide range of styles allows our surveyors to match your existing windows perfectly. All our low-profile secondary glazing comes in architecture aluminium, white as standard or colour coded to your existing decoration (as an optional extra). And all our materials come with a full ten-year guarantee.