Edinburgh World Heritage - Draught Excluding

 

Draught Excluding

A traditional flat loses around 20% of its heat through draughty doors, windows and uncontrolled ventilation gaps, such as chimney flues.

Where to look for draughts

  • Around windows and doors.
  • Loft hatches.
  • Between floorboards.
  • Installations in walls such as pipework and electrical fittings.

Tip - get rid of draughts

Look out for spider webs to locate draughts!

  • Check that your doors and windows fit well before adding draught-proofing.
  • Fit weather-stripping and draught excluders to your doors, windows, letterboxes and keyholes to retain heat. You can buy them from DIY stores, but why not try making your own draught excluders.

An open fire loses 80% of the heat up the chimney: if not in use, be sure the flue is closed and glass doors (which require LBC) are in place to minimise heat loss, always ensuring it is well ventilated. Consider a chimney pillow/balloon, an inflatable bag made from a special laminate that makes it airtight and which will shrivel up if heated by accident.

Rooms where water vapour is plentiful (eg bathroom, kitchen) and rooms with gas-fires/appliances should not be draught-proofed unless means of ventilation is available from a ventilator or window.


Traditional buildings were designed to let air circulate between the outside and inside of a building. Sealing up the building too drastically may lead to problems of damp, mould and timber decay.

Pipework and electrical fittings

This is easy to do yourself and will not affect the visual appearance of your historic home or damage its fabric.

  • Insulate your water storage tank with a hot water jacket. By law, all new water storage tanks must now be insulated. Insulating your hot water tank will reduce heat loss by up to 70% and you can fit it yourself for around £15, which will be recovered in the first year.
  • Fitting insulation to pipework is easy, if the pipes are accessible, and will cost around £10. Professional help may be required to fit insulation around pipework that is difficult to reach such as under floorboards.
You can save about 170kg of carbon dioxide (CO2) and around 60kg of CO2 with pipe insulation.


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