Install etc. costs were not broken down by item, so I don’t know whether the doors are more work. Our quote just gave a total, so £600 is the average per item.
Retrofit windows use compression & air tightness tape as standard on their windows (illbrook i3 foam, compriband, pva, spray activator).
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I wrote an article last year about housing premiums for being sustainable. In short there’s a small premium as other factors are more important.
However it highlights the growing importance in a changing world. It will be worth more in 5 years!!
Regarding windows, they may be eligable for 0% VAT
This also applies to other energy saving materials and upgrades. The problem being it is the supplier/ instalelr which doesnt have to pay VAT on it, and therfore can apss the saving down to you. But many contractors are not aware fo it, or dont want to take the risk of being caught out. Or maybe more sinister are jsut making more money from it.
I know solar supplier are doing it but havnt found many people who have taken advantage of this.
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