Secondary Glazing is the most effective option of reducing noise travelling through windows and doors. Secondary glazing is a cost effective way of improving thermal insulation without altering the appearance of the property. We offer the highest performance, minimalistic secondary glazing the industry has to offer. Dealing direct with the manufacturer ensures unbeatable value and superior quality.
We are a flexible, accommodating company, that values customer service like no other. Due to our volume of manufacture and impeccable quality control, we are able to offer trade clients (on a supply only basis) a 40% discount on all enquiries, making us London's most competitive trade supplier of secondary glazing. Secondary glazing can reduce noise by up to 80% and once fitted is hardly visible.
It can also reduce your heating consumption dramatically, making your property more environmentally friendly. City Sound has been serving London's community since 1968. Recognized for our superior level of workmanship and impeccable after sales service, we are still very much a family run company that has been passed down through the generations.
We are a flexible, accommodating company, that values customer service like no other. Due to our volume of manufacture and impeccable quality control, we are able to offer trade clients (on a supply only basis) a 40% discount on all enquiries, making us London's most competitive trade supplier of secondary glazing. Secondary glazing can reduce noise by up to 80% and once fitted is hardly visible.
It can also reduce your heating consumption dramatically, making your property more environmentally friendly. City Sound has been serving London's community since 1968. Recognized for our superior level of workmanship and impeccable after sales service, we are still very much a family run company that has been passed down through the generations.
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Back in 1968 Derrick Smith founded City Sound, at a time when secondary glazing was virtually unknown, despite the growing problem of old Victorian sash windows in London buildings.
Although beautiful, these sash windows were often poorly fitting and allowed in all the noise, draughts and dirt of a growing city.
As most of the buildings in central London are listed, the thought of changing the original windows for double glazed units was not an option.
Rightly so - could you imagine what London would look like today if everyone had installed double glazing to their own design?
Although beautiful, these sash windows were often poorly fitting and allowed in all the noise, draughts and dirt of a growing city.
As most of the buildings in central London are listed, the thought of changing the original windows for double glazed units was not an option.
Rightly so - could you imagine what London would look like today if everyone had installed double glazing to their own design?
Find below a few examples of our most popular window styles.
Our sash style windows incorporate our unique EASY CLEAN system that is exclusive to City Sound.
Give us a call on 020 8523 3210 or email us for more information on all the other style options we offer.
Vertical sliding sash windows are by far the most popular style of secondary glazing.
It is important to make sure the new secondary windows mirrors the transom bars of the existing, external windows so insuring the secondary glazing is as modest as possible.
Our sash style windows incorporate our unique EASY CLEAN system that is exclusive to City Sound.
Give us a call on 020 8523 3210 or email us for more information on all the other style options we offer.
Vertical sliding sash windows are by far the most popular style of secondary glazing.
It is important to make sure the new secondary windows mirrors the transom bars of the existing, external windows so insuring the secondary glazing is as modest as possible.
Commonly called "Vertical sliding sash windows" within the industry, sash windows are by far the most common window style.
For this reason of course, our secondary glazing sash style windows are equally as popular.
Consisting of two panels (top and bottom) that slide up and down, our sash windows are counter balance with pre-tensioned springs to hold the weight of the panels.
This enables the window to be opened to any position, also allowing for the panels to be operated with minimal effort.
It is essential for your new secondary glazing to mirror the external windows.
For this reason of course, our secondary glazing sash style windows are equally as popular.
Consisting of two panels (top and bottom) that slide up and down, our sash windows are counter balance with pre-tensioned springs to hold the weight of the panels.
This enables the window to be opened to any position, also allowing for the panels to be operated with minimal effort.
It is essential for your new secondary glazing to mirror the external windows.
The most versatile of all the styles available, horizontal sliding windows (side to side sliding) can be manufactured with 2, 3 or 4 sliding panels.
This style of secondary glazing is a perfect match for Crittal windows.
The individual sliding panels slide with immense ease, allowing unobstructed access to the external windows.
All our windows sections are made of aluminium, powder coated white as standard.
Frames can however be customised to a different colour or finish to match surrounding dcor.
This style of secondary glazing is a perfect match for Crittal windows.
The individual sliding panels slide with immense ease, allowing unobstructed access to the external windows.
All our windows sections are made of aluminium, powder coated white as standard.
Frames can however be customised to a different colour or finish to match surrounding dcor.
An alternative to screw fixed units, fixed lift out windows have a removable glass panel that can be easily lifted out of the master frame to facilitate access to the external windows.
This style of window is often used on external windows that are very rarely used or in air-conditioned offices where cleaning between the windows needs to be facilitated.
Lift out windows are also a very popular alternative in bay windows.
Most people only ever use the middle sash window in a bay for ventilation, so we often suggest mimicking the middle window with a secondary sash window, but having lift out windows for the smaller, side windows.
This style of window is often used on external windows that are very rarely used or in air-conditioned offices where cleaning between the windows needs to be facilitated.
Lift out windows are also a very popular alternative in bay windows.
Most people only ever use the middle sash window in a bay for ventilation, so we often suggest mimicking the middle window with a secondary sash window, but having lift out windows for the smaller, side windows.
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