FACTS ABOUT SASH WINDOWS REVEALED

‘It’s vital that you hardly ever block window trickle vents and to stay away from more than draught-proofing windows in kitchens and bogs where by the moist air requirements to flee,' says Natasha Collins-Daniel, campaigner at the Centre for Sustainable Strength. 'Or else, you could end up having moist or mould complications.'The price to draug