Replacing 100 year old single glazed windows? (edwardian)
Hi,
I'm looking for advice for if these old single glazed windows should be replaced?
It's one of the last houses on the street with its original windows so right now it definitely stands out.
However, I do think it's important to make the house more energy efficient and increase the value as well.
Please can you help me figure out which of the following options would be best?
Options:
1) Secondary glazing + restore/paint the single glazed windows
2) Triple glazed flush casement windows (wood or uPVC available)
Current windows:
uPVC with astragal bars that are copying the original windows but do not look as nice imo:
A++ triple glazed flush casement windows:
There is a company making triple glazed windows with this little arch that kind of reminds me of the original windows. We could ask that the windows are shorter and then buy 4 more separate windows to fill the original squares at the top and we can add the astragal bars (but this would probably cost a fortune idk?
Thanks everyone :)
Comments (15)
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Frank
last yearImitation (internal-to-pane) "astragal bars", from my point of view, look "more fake" than going full way triple-glazed, maybe even without the top lights (just single pane). Showcasing the new is more of a statement than "very badly trying but not succeeding to cover up it's new". Worst in this context is upvc; the frames look it already anyway, and the plastic inserts inside the panes make it twice as obvious.
we've gone from:
to:
but obviously in the full knowledge this is a striking difference in looks. If you do consider the expense of triple glazing, I'd say ... embrace it. If preservation of the originals matters more, then, personally, I'd rather look for good internal secondary glazing and/or good shutters than for a "wannabe" replacement.garden_ella thanked Frank
PROChameleon Decorators & Windows Restoration
last yearSlim double-glazed units insulated with inert gases are great but not as efficient as vacuum double glazing and they start failing after 5 years. Vacuum insulated glazing has the same efficiency as triple glazing, please see the photo below where we tested different glazing options.
https://chameleon-decorators.co.uk/retrofit-single-glazed-windows/
You should consider fitting 7 mm vacuum double glazing into existing frames and refurbishing window frames, this way you can preserve those beautifully Edwardian windows but also get all the benefits of double glazing.
PROIkonografik Design
last year- PRO
Chameleon Decorators & Windows Restoration
last yearYes, it was indeed the issue with Pilkington Spacia glass; see the picture below:
But the new generation of vacuum double glazing like FINEO glass does not have a visible protection cap and also has a better U-value compared to Pilkington Spacia glass
The below photo shows the original sash window with FINEO vacuum double glazing.
garden_ella thanked Chameleon Decorators & Windows Restoration - PRO
Ikonografik Design
last year
Angie