Replacement of windows - conservation areas
If you are proposing to replace timber windows with UPVC windows you may need planning permission. Generally, if you live in a single occupancy house in a conservation area you will not need to apply for planning permission to change your windows, unless the property is covered by an Article 4 Direction.
If you live in a flat or above a shop, you will need planning permission to change your windows. If you live in a listed building you will need listed building consent to change your windows. Please see the section "Do I need permission to replace windows in my house?" above.
The Council has further guidance on replacement windows.
It is possible to upgrade existing timber sash or casement windows to double-glazed units without the need to replace the whole window and frame. Slim section double glazing units are available that can be retro-fitted into the existing timber sash or casements frames, enabling you to upgrade the thermal efficiency of your windows without losing the original character.
Local specialist joinery companies should be able to carry out this work for you.
Replacement of timber or aluminium windows with aluminium or UPVC windows will not always be acceptable. However, in cases where it may be possible to have replacement UPVC windows, these should copy the form, pattern of glazing, size and design of the original window including the way it opens (most original sash windows have vertically sliding sashes) and should comprise slim section UPVC frames.
Find out more
Find out if your property is located in a conservation area.
Do I need planning permission?
Got a question about planning?
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