Protected properties
Conservation Areas
The short answer
Being in a conservation area doesn't automatically mean you need planning permission to replace windows on a house. It does mean the council cares about the area's character, and extra controls — such as an Article 4 direction — may apply.
Last reviewed September 2026 · General guidance, not legal advice
What a conservation area is
Conservation areas are designated by local planning authorities under the Planning (Listed Buildings and Conservation Areas) Act 1990, to protect areas of special architectural or historic interest. Most Yorkshire towns and many villages have at least one.
Why windows and doors matter
Windows and doors are among the most visible features on a street. Changes in style, proportion, glazing bars, opening method or material can alter the character a conservation area is meant to protect.
What to check
Rules depend on the individual property, so check:
- Whether the property is a house, or a flat or maisonette (flats generally lack householder permitted development rights)
- Whether an Article 4 direction applies to your street
- Whether the building is also listed
- Whether the council has a conservation area appraisal or window guidance
Front and rear elevations
Councils often pay closer attention to elevations visible from the street. That doesn't mean rear changes are always free of controls — check.