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Trickle vents – who needs them?

Should your new windows be specified with trickle vents? Keeping fresh air circulating inside a building deters mould and is better for human health. There can, however, be issues with draughts and noise transfer – and a window frame with holes in it will make the whole window less thermally efficient. Trickle vents are, of course, adjustable and can be kept closed – but do you actually need them? Most opening window sashes can be locked in a secure ‘night vent’ position.

The law requires that trickle vents (the simplest means of providing adjustable background ventilation) should be fitted:

  1. on new windows where the existing windows being removed currently have them;

  2. on windows that are being installed into an extension;

  3. on windows that are being installed into a new-build home.

trickle vent on timber window Admiral Windows Oxford

Trickle vents are optional frame extras. Every property is different so, as part of our quotation and survey process, we will advise whether or not your own new windows need them. We are a local FENSA registered window installation company with over 30 years’ experience. If you’re looking for new windows in the Oxfordshire area, call Admiral Windows Oxford on 01865 788333 for advice and to book a no-obligation design consultation.

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