Residential secondary glazing services



North London Secondary Glazing has been installing residential secondary double glazing in all types of properties throughout London since 2007 with over 30 years experiance in the business.





Our range of secondary glazing systems have been developed to the highest quality to ensure that they offer:



Condensation control

Save Money, long lasting

robust, trouble-free service

Thermal insulation

Noise reduction

Added security

Discreet, unobtrusive finish

Lower energy costs

100s finishes & styles




Secondary glazing thermal insulation properties



Thermal Insulation




Secondary glazing noise and sound insulation properties



Sound / Noise Insulation




Secondary glazing Security







Secondary glazing Security








Secondary Glazing Products


Find out more information about the different types of secondary glazing we can provide





Secondary glazing noise and sound insulation properties



Secondary glazing noise and sound insulation properties



Secondary glazing noise and sound insulation properties

How We Work


We are a friendly, family-orientated company - we're not pushy and we're not desperate to sell you anything! So please just contact us with any type of general or specific enquiry to get quick, reliable answers and a professional, polite response.




Secondary Glazing Costs & Prices


Secondary double Glazing is a very cost-effective method of thermal insulation and soundproofing for all types of windows and doors.

Although all the many types of units are made-to-measure with different glass specified for noise and / or heat insulation, plus a range of ventilation and security options, we can give initial guidance, quotes and estimates by telephone or e-mail.




Placing an Order, Survey & Manufacture


If you choose to accept our quotation then one of our technical surveyors will visit to take the manufacturing measurements and make sure that, each secondary window lines up with your primary window transoms and mullions so that views remain clear and unrestricted and that the designs allow fire escape access, safety glass regulations are complied with all glass surfaces can be easily cleaned.

All of the secondary windows are then, made to measure, inspected in accordance with our ISO9001 accreditation and finally shrink-wrapped for protection before installation.




Secondary Glazing Installation & After Sales Service


Installation dates are agreed well in advance by phone. We usually start early on the day of fitting! the fixing system is concealed we use a wide range of matching finishing trims to ensure a neat, sympathetic, discreet finished job



After installation you will receive:


  • Product demonstration from our installer
  • Comprehensive, no-quibble guarantee
  • Full set of maintenance instructions
  • Locally based after-sales service