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UPVC double glazing provides additional warmth, and you can easily replace smashed or damaged glass with new sealed units. Condensation between glass panels means that a sealed unit is damaged and should be replaced to maintain maximum heat efficiency.


Although UPVC is designed to "last a lifetime", their finish can degrade, which detracts from the exterior appearance of your home. Consider replacing the whole frame with new double glazing, and reinstall your old sealed units to save some money.

  • Duraflex Double Glazed Window

    Duraflex Double Glazed Window

    £14.99
    0 bids
    + £0.00 P&P
    Duraflex double glazed window, 28mm sealed unit, silver spacer, on 150mm cill. Colour white upvc, with right side opening. (2.330 m. X. 1.335 m).
  • UPVC WHITE DOUBLE GLAZED EXTERNAL DOOR WITH FRAME AND SIDE WINDOW

    UPVC WHITE DOUBLE GLAZED EXTERNAL DOOR WITH FRAME AND SIDE WINDOW

    £150.00
    0 bids
    + £0.00 P&P
    Due to start an extention so will be available in a couple of weeks Only 6 months old and not weathered as inside a conservatory Measurements are on photo Pick up from SM5 area
  • Duraflex Double Glazed Window

    Duraflex Double Glazed Window

    £24.99
    0 bids
    + £0.00 P&P
    (Good condition. X1.190). Collection only.
  • White Double Glazed UPVC Top Opener Window 1200x1050mm

    White Double Glazed UPVC Top Opener Window 1200x1050mm

    £149.00
    Buy it now
    + £0.00 P&P
    1200mm Wide x 1050mm High Top Opener PVCu Double Glazed window in white. Argon Filled Energy Saving Low E Double Glazed Units. White Handles. 70mm Liniar 100% Lead Free. High Security Locking System.
  • UPVC WHITE DOUBLE GLAZED EXTERNAL WINDOW

    UPVC WHITE DOUBLE GLAZED EXTERNAL WINDOW

    £100.00
    0 bids
    + £0.00 P&P
    Due to start an extention so will be available in a couple of weeks Only 6 months old and not weathered as inside a conservatory Measurements are on photo Pick up from SM5 area
  • double glazed french doors

    double glazed french doors

    £99.00
    1 bid
    + £0.00 P&P
    Hi I am selling these double glazed French doors. Good condition. Please call for any info. Cash on collection. Can discuss price on the phone if you would rather not bid. Thanks Alan 01748812151 RICH...
  • UPVC Double Glazed Single Door

    UPVC Double Glazed Single Door

    £50.00
    0 bids
    + £0.00 P&P
    For sale UPVC double glazed door, it is used but still works fine, recently removed from a job but too good to skip Will need a new cylinder lock, also door is face draining and so has no cill. Dimens...
  • GLAZED FOUR PANEL OAK DOUBLE DOORS

    GLAZED FOUR PANEL OAK DOUBLE DOORS

    £80.00
    Buy it now
    or Best Offer
    + £0.00 P&P
    I have a lovely set of glazed four panel double oak doors for sale In all round great condition these doors have no visible scratches or marks and come with handles, latch and hinges Full door width i...
  • exterior UPVC double glazed french doors

    exterior UPVC double glazed french doors

    £76.80
    0 bids
    + £0.00 P&P
    • 12 watching
    Here for sale are some good quality upvc double glazed french doors that I bought years ago but never really got round to using them. As they are now no longer needed they need to go to someone who wi...