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conservatory solutions in dorset UK



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Welcome to the Windows FAQ & Resources Section

Let us help you with all of your window questions and find the perfect addition to your home.

Compare & Contrast

This section explains the different types of windows and offers advice on the energy rating of each style.

If we have not answered all your questions or if you need more information, contact us today.

Which window frames are most secure?

Double and triple glazed windows are more secure as the extra panes of glass give the windows more strength. All opening windows have locks that have been stringently tested. Casement, sliding sash and tilt and turn windows are accredited Secured by Design.

The timber used on our timber windows has been sustainably sourced. It is pressure-preserved to prevent water ingress and the subsequent rot and to give it strength. Our Forest Stewardship Partnership Council redwood is laminated and has finger-joints to make for strength.

Which is better double or triple glazing?

The U value of triple glazing is better than double glazing – less than 1.0Wh/m2.k – meaning that there is less heat leaving the room through the glass. The extra pane of glass also lends triple glazing superior sound insulation.

The extra pane of glass gives the window additional strength. It has an energy rating of AA+. This is the best window in our range.

This window is best for retaining heat but A+ double glazing collects more solar energy that is why our experts will help you choose the best selection of A++ triple glazing and A+ double glazing for the most energy efficient house on the block.

Double glazing vs triple glazing

Most British homes are equipped with Double glazed windows, but there are advantages to triple glazing instead? The experts at All Seasons Roof, understand double and triple glazing, and can help you to make the right choices for each room in your house.

Double glazing

  • Choose from either A+-rated and A-rated
  • A-rated offers excellent performance at less cost
  • A+ is excellent at collecting solar energy as the solar factor, thermal transmittance and air leakage are in balance
  • It has a U-value of 1.4Wh/m2.K
  • Sound insulation
  • Available in a wide selection of colours and styles
  • Strong and secure
  • Costs less than triple glazing

Triple glazing

  • A++ rated
  • It retains heat well
  • Better U-value of 0.9Wh/m2.K
  • Best for north-facing windows
  • The sound insulation is better
  • The extra pane of glass means that it is stronger and more secure
  • It is the more expensive option
  • There is a wide selection of colours and style

Triple glazing is the best option if the outside noise is a problem for you or if your home is uncomfortably cold. One of our expert consultants can help you to choose the right combination of double glazing or triple glazing for your home as triple glazing is not the best for every window but tends to be best for those windows that don’t get much sun.

Find out more about triple glazing.

Secondary vs double glazing

In some homes double glazing is not an option as planning permission is withheld. Although we at All Seasons Roof, recommend double glazing, we do have an alternative – secondary glazing.

Secondary glazing – when we do secondary glazing we add a second pane of glass into your existing window. The 4mm pane of glass is fitted into a durable aluminium extrusion and then inside your window.

Secondary glazing is almost as good as double glazing. It still retains the heat, it is more secure and it insulates the room from outside noise. This is why this is a good choice for homeowners who are unable to install triple or double glazed windows.

Find out more about secondary glazing.

Wooden vs. UPVC window frames

UPVC frames is the most popular material for the manufacture of window frames but for some houses wooden frames may be the best choice of material. Which you choose will depend on your preferences. To help you with your choice we have listed the main differences between the two.

Wooden window frames

  • Genuine wood has classic good looks
  • Our wood all comes from a sustainable source
  • We can provide either soft wood or hard wood
  • We laminate and finger joint the soft wood to strengthen it
  • Hardwood doesn’t warp or shrink
  • Wooden frames are long lasting and can outlast uPVC, but they require maintenance
  • Usually wood is more pricey than uPVC

UPVC window frames

  • Low maintenance and easy to clean
  • They are typically cheaper than wood
  • Choose from a wide range of colours
  • Tilt and Turn for easy cleaning
  • Usually more energy efficient than wood
  • Only uPVC frames can be triple glazed

uPVC is cheaper and more energy efficient which is why it are such a popular choice. If you have an older property (not listed) the wooden finish may help to to preserve the historic style of your home.

There are many choices available when you decide to go the uPVC route, with a wide selection of colours and styles. With uPVC can also choose triple glazing which you can’t do with a wooden frame. However wooden frames will last longer if properly maintained.

Find out more about UPVC and wooden window frames.


We've been around for a while and we’re making a name for ourselves as a popular choice for quality, guaranteed improvement solutions for your home.


You can trust us to do a first class job of improving your home. We deliver quickly and our craftsmen, installers and expert consultants will serve you well. We also guarantee our product for ten years. That’s confidence!

What our customers say

An excellent investment opportunity and a great addition to our conservatory.

Mr & Mrs Baker, Littlehampton

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