As sub-zero temperatures and snow grip the UK, households are being warned about a simple but costly mistake that is making their homes colder and sending heating bills soaring.
The £125 Draught Error
Heating experts have identified a widespread issue: failing to properly block draughts from letterboxes and the gaps under doors. This problem is particularly acute in homes where the front door opens directly into a living room or kitchen, allowing cold air to flood into the main living spaces.
With radiators forced to work harder and for longer to compensate, energy costs are being driven unnecessarily high. Experts state that the average UK home loses a staggering 25% of its heat through escaping warm air. However, effective draught-proofing could slash heating bills by as much as £125 annually.
Why Your Letterbox is a Culprit
Glen Peskett, a heating expert from Saxton Blades, explains the specific issue with letterboxes. "Letterboxes are essentially an unsealed gap straight through your front door," he said. "This means they can let in a surprising amount of cold air during a cold snap."
He added that because they are positioned low down, the draughts they create are often felt immediately in hallways and near staircases, creating a chilling effect that makes the entire house feel colder.
Quick Fixes to Keep the Cold Out
For those without a proper letterbox cover, Peskett suggests several temporary solutions that can be implemented during freezing weather:
- Fabric Barrier: Fold or roll old tights, leggings, or thin trousers and secure them internally against the letterbox opening. The fabric allows the flap to move for post while significantly reducing cold airflow.
- Cardboard or Plastic Insert: A piece of stiff cardboard or thin plastic, cut accurately to size, can act as an effective temporary internal barrier if it fits flush.
- Adhesive Strips: Self-adhesive foam or rubber strips, commonly used around windows, can be applied around the internal letterbox opening to seal gaps.
- Thermal Curtain: Hanging a thick curtain or thermal fabric just inside the front door can help trap cold air before it spreads through the house, though it won't stop draughts entirely.
With the UK in the grip of a winter freeze, taking these simple steps can make a substantial difference to both home comfort and household finances. Addressing these common draught points is a key strategy in the battle to keep warm for longer and reduce energy use during the coldest months.
