Property expert Phil Spencer has shared a simple tip that could save households £45 a year on their energy bills: chimney draught-proofing. The advice comes as many UK households worry about heating costs, especially after the recent energy price cap increase.
A Citizens Advice study from 2026 found that more than 10 million households, equivalent to 37% of people across Britain, are concerned about meeting their energy bills this winter. Additionally, 28% of prepayment meter users ran out of gas and electricity in the past year because they could not afford to top up.
The Chimney Draught-Proofing Tip
Spencer has joined forces with Wickes to share budget-conscious tips to keep homes warm. He highlighted that when a fireplace is not in use, open chimneys "allow warm air to escape." The solution is to purchase a draught excluder designed specifically for chimneys.
He explained, "According to the Energy Saving Trust, chimney draught-proofing could save around £45 annually." Spencer also reassured homeowners that insulating a property does not have to be costly or require extensive renovations. He said, "My advice is to start by looking at where warmth might be escaping and tackle the smaller jobs first. Making a few practical improvements can help keep your home more comfortable during the colder months, without necessarily spending a fortune."
Other Ways to Reduce Heat Loss
Spencer also recommended insulating hot water tanks. Poorly insulated hot water cylinders "waste significant energy," according to him. He said, "In fact, homeowners could save a further £45 a year by upgrading from 25mm of insulation to an 80mm jacket." He described this as a "simple, low-cost fix" at around £25 that could "pay for itself within the first year while helping keep heat where it's needed."
Exposed hot water pipes in lofts, garages, and other unheated spaces can also lose heat and are vulnerable to freezing during cold snaps. Spencer warned that adding suitable pipe lagging can help reduce heat loss and protect pipework. Wickes stocks pipe insulation from as little as £1.
Radiators and Loft Hatches
Radiators positioned against poorly insulated external walls can lose heat through the wall behind them. Spencer suggested fitting reflector panels, which can "help direct warmth back into the room, potentially saving around £18 annually." He stressed the importance of not "heating walls instead of rooms."
Even a well-insulated loft can lose heat through gaps around its hatch. Spencer encouraged households to ensure it fits securely, add appropriate draught-proofing, and insulate the hatch where necessary.
