Field help:
Renewal of windows / external doors
Enter the costs for new or energy-efficient windows, balcony and patio doors, and exterior doors.
Eligible items may include:
- Windows with multi-pane insulating glass,
- Roof windows,
- Balcony and patio doors,
- Exterior doors to heated rooms,
- Energy efficiency improvements to existing windows,
- Windows and doors in listed buildings or buildings of historical interest.
The initial installation may also be eligible. The technical minimum requirements must be met.