Secondary Glazing Installation Questions

Question 1

How long does secondary glazing installation take?

Secondary Glazing Installers · Accepted Answer

Installation time varies by window type and complexity. A standard casement window takes 30-45 minutes, while a large sash window may take 1-2 hours. For a typical 3-bedroom house with 8-10 windows, expect a full day's installation. Our experienced installers complete most residential projects within 1-2 days.

Question 2

Can secondary glazing be installed on listed buildings?

Secondary Glazing Installers · Accepted Answer

Yes, secondary glazing is often the preferred solution for listed buildings because it's fully reversible and doesn't alter the original windows. Grade I and II listed properties regularly use secondary glazing to improve thermal and acoustic performance while maintaining heritage compliance. We recommend consulting with your local conservation officer, though Listed Building Consent is rarely required for internal secondary glazing.

Question 3

Do I need planning permission for secondary glazing?

Secondary Glazing Installers · Accepted Answer

In most cases, no planning permission is required for secondary glazing as it's an internal modification. However, if you live in a conservation area or listed building, it's advisable to check with your local planning authority. Secondary glazing is generally considered 'permitted development' and doesn't affect the external appearance of your property.

Question 4

How should I prepare for secondary glazing installation?

Secondary Glazing Installers · Accepted Answer

Preparation is straightforward: clear the window sills of ornaments and plants, move furniture away from windows to give installers access, and ensure parking is available for the installation vehicle. Our team brings dust sheets and takes care to protect your property. We'll handle removal of any packaging and debris.

Question 5

How much disruption does installation cause?

Secondary Glazing Installers · Accepted Answer

Installation causes minimal disruption. There's no scaffolding required, no mess from removing existing windows, and no need to redecorate afterwards. Installation is done from inside your property with no external access needed. Most homeowners continue their normal activities while we work.

Question 6

Can I install secondary glazing myself?

Secondary Glazing Installers · Accepted Answer

DIY secondary glazing kits are available and suitable for competent DIYers. However, professional installation ensures precise measurements, optimal acoustic seals, and warranty coverage. Incorrectly fitted secondary glazing can cause condensation issues and reduced performance. For best results, especially on period properties, we recommend professional installation.

Question 7

How are windows measured for secondary glazing?

Secondary Glazing Installers · Accepted Answer

Our surveyor takes precise measurements of each window reveal, checking for squareness and any irregularities. We measure at multiple points as period properties often have windows that aren't perfectly square. This ensures a perfect fit. The survey is free and typically takes 30-60 minutes for an average home.

Question 8

Is there a charge for the survey?

Secondary Glazing Installers · Accepted Answer

No, we provide completely free, no-obligation surveys and quotes. Our surveyor will visit your property, take precise measurements, discuss your requirements, and provide a detailed written quotation. There's no pressure to proceed.

Question 9

Can I install secondary glazing in a conservation area?

Secondary Glazing Installers · Accepted Answer

Yes, secondary glazing is ideal for conservation areas. Since it's fitted internally and doesn't alter the external appearance of your windows, it typically doesn't require planning permission. This makes it the perfect solution for improving thermal and acoustic performance while maintaining the character of your property and area.

Question 10

How do I get approval for secondary glazing on a heritage property?

Secondary Glazing Installers · Accepted Answer

For heritage properties, we recommend: 1) Contact your local conservation officer for guidance, 2) Choose discreet frame profiles that complement original windows, 3) Consider slim-profile aluminium frames in heritage colours, 4) Document that the installation is fully reversible. We have extensive experience with heritage projects and can guide you through the process.

Question 11

What warranty comes with secondary glazing installation?

Secondary Glazing Installers · Accepted Answer

We provide a comprehensive 10-year warranty on all secondary glazing installations, covering both materials and workmanship. This includes the frames, glass, seals, and hardware. Our warranty is backed by our 25+ years in business and membership of relevant trade bodies.

Question 12

What maintenance is required after installation?

Secondary Glazing Installers · Accepted Answer

Secondary glazing requires minimal maintenance. Simply clean the glass as you would any window, wipe down frames annually with a damp cloth, and check seals periodically. Sliding panels should have their tracks cleaned occasionally for smooth operation. With proper care, secondary glazing lasts 25+ years.

Question 13

How do I clean between the two panes of glass?

Secondary Glazing Installers · Accepted Answer

Secondary glazing panels are designed for easy removal or opening, giving you full access to clean both the inner face of your original window and the secondary glazing. Hinged or lift-out panels make this particularly easy. We recommend cleaning between the panes 2-4 times per year.

Question 14

What types of secondary glazing panels are available?

Secondary Glazing Installers · Accepted Answer

We offer multiple panel types to suit different windows and preferences: Horizontal sliding (ideal for sash windows), Vertical sliding, Hinged panels (for easy access), Lift-out panels (for occasional access), Fixed panels (for maximum acoustic performance), and Tilt-in panels. Our surveyor will recommend the best option for each window.

Question 15

Can secondary glazing be fitted to sash windows?

Secondary Glazing Installers · Accepted Answer

Absolutely. Sash windows are one of the most common applications for secondary glazing. We typically fit horizontal sliding secondary glazing that mirrors the sash window operation, allowing you to open both for ventilation. The secondary glazing sits within the reveal and doesn't affect the operation of your original sash windows.

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Installation Questions

1How long does secondary glazing installation take?Timeline

2Can secondary glazing be installed on listed buildings?Listed Buildings

3Do I need planning permission for secondary glazing?Planning

4How should I prepare for secondary glazing installation?Preparation

5How much disruption does installation cause?Disruption

6Can I install secondary glazing myself?DIY

7How are windows measured for secondary glazing?Survey

8Is there a charge for the survey?Survey

9Can I install secondary glazing in a conservation area?Conservation

10How do I get approval for secondary glazing on a heritage property?Heritage

11What warranty comes with secondary glazing installation?Warranty

12What maintenance is required after installation?Maintenance

13How do I clean between the two panes of glass?Cleaning

14What types of secondary glazing panels are available?Products

15Can secondary glazing be fitted to sash windows?Window Types

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