Do my replacement windows need slot vents?
Windows and doors that are installed after the 15th June 2022 will need to comply with new regulations. Approved Document F
What are the new slot vent regulations?
If you are replacing windows after the 15th of June 2022, you must either install slot vents or comply by having another means of ventilation/mechanical ventilation.
There are a few exceptions, but this should be investigated properly before proceeding without slots vents.
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