Do you need planning permission for secondary glazing?

The refurbishment and draught-proofing of existing windows can improve their thermal performance. Similarly, the installation of internal secondary glazing can also significantly improve thermal performance and sound insulation. These works do not require planning permission.

Is secondary glazing a good idea?

Is Secondary Glazing Worth It? Secondary glazing will save the cost of the existing frames and the work involved in removing and replacing them. When it comes to paying back the value with energy cost reduction, for secondary glazing it will take between 5 to 10 years.

Are double glazed windows a legal requirement?

Well essentially, yes you can. Remember though that all replacement glazing comes within the scope of building regulations. Anyone who installs replacement windows and doors must comply with the current thermal performance standards, and you will need a certificate to prove compliance with building regulations.

Can I fit my own secondary glazing?

In many cases you can fit the Secondary Glazing straight away with virtually no preparation, however, you may wish to clean the windows and sand any bumps in the primary window frame and sill, to give a smooth fixing surface.

How long does secondary glazing last?

The general consensus on double glazing lifespan is estimated to be anything between 20 and 35 years depending on the supplier and the fitter. Others even suggest up to and above 40 years in some cases.

Can you put secondary glazing in a Grade 2 listed building?

Clearview secondary glazing is approved for use in Grade I and II listed buildings, in conservation areas and is a proud supplier to the National Trust. Secondary glazing is a real alternative to window replacement.

Do you still get condensation with secondary glazing?

Secondary glazing reduces condensation in a way that makes your living space more comfortable, so you’ll enjoy total peace of mind.

Does secondary glazing add value?

As well as giving you savings on your home’s energy bills, double glazing does add value. Research has illustrated that the average value of a home can increase by 10% with a new double glazing installation. Buyers will be more likely to buy a home with newer windows, as they won’t need to replace them themselves.

Which is better double glazing or secondary glazing?

Despite not being as well sealed as a double-glazing unit, secondary glazing could still save you some money on your energy bills. That said, double glazing is approximately twice as effective as secondary glazing at stopping heat escaping the home.

What thickness should secondary glazing be?

How thick is secondary glazing ? 3mm or 4mm clear acrylic or polycarbonate is best for secondary glazing. Windows larger than 800mm will benefit from being glazed with 4mm thickness as they will be more rigid.

Does plastic secondary glazing work?

The simple answer is: yes, secondary glazing is more effective than double glazing at keeping your home warm. On average, double glazing reduces heat loss in the home by up to 55%. That sounds impressive, but magnet-strip secondary glazing can go further and reduce heat loss by up to a massive 63%!

How do you install secondary glazing?

Quote from the video:
Quote from Youtube video: Put the secondary glazing in place ensuring that the distance between the glazing and the beading is the same on both sides draw the outline of the panel using pencil.

Is secondary glazing cheaper than double glazing?

Apart from being far cheaper than double glazing, secondary glazing also offers superior acoustic insulation properties due to the separate nature of the panes and the wide gap in between.

How is secondary glazing fixed?

Secondary Glazing Fixed Units



The wool pile on the back of the frame helps create a good seal between the existing window, preventing draughts and blocking out sound. With no opening mechanism or subframe it simply face fixes directly onto existing windows; providing no access to the prime window.

How do you clean behind secondary glazing?

A damp cloth and a neutral detergent will be all you need. To remove any dust, dirt and muck from the frame, you can either use a vacuum cleaner or a soft brush for more sensitive areas. If you take the glazing out of its frame, then you can also clean the tracks.

How do you open a double glazed window?

Secondary double glazing



Undo the handle and slide the window away from the frame to the position you want. Undo the latch and slide the window upwards to the position you want. Undo the latch to unlock the window. Once the window has been unlocked, the window will swing open.

How do you open a double glazed window from the outside?

How to Open a Window From the Outside

  1. Check the Type of Window You Need to Open.
  2. Prize or Push Open an Unlatched Casement Window.
  3. Lever the Casement Off the Frame.
  4. Push the Sash of a Sash Window Up.
  5. Lever Up the Sash of a Sash Window.
  6. Use a Knife to Unlatch a Sash Window.
  7. Jiggle a Sliding Window to Loosen the Lock.

How do you open a double glazed window without a key?

Quote from the video:
Quote from Youtube video: We're going to pull the window frame towards ourselves. And we're going to twist that lock because it's made out of plastic. Just put a little bit of pressure on the back of that lock.