THE 2-MINUTE RULE FOR SASH WINDOWS

‘It’s crucial that you in no way block window trickle vents and to avoid above draught-proofing windows in kitchens and loos the place the moist air demands to flee,' states Natasha Collins-Daniel, campaigner within the Centre for Sustainable Electricity. 'Normally, you could potentially end up having damp or mould complications.'Do it yourself