House Cold Despite Heating Being On
Rooms feeling cold even when the central heating is running at full, with high energy bills.
What Is Causing This?
- 1Inadequate loft or wall insulation
- 2Single glazing or failed double glazing
- 3Draughts from gaps around doors, windows, and floors
How Urgent Is This?
This should be fixed in the coming weeks. Leaving it may allow the problem to worsen and cost more to repair.
What Needs to Be Done
An insulation specialist will assess the property's thermal performance and recommend upgrades such as loft insulation, cavity wall insulation, draught-proofing, or floor insulation.
How Much Will It Cost?
National average estimate
Labour: £1,200 – £3,025 | Materials: £888 – £2,400
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Prices are estimates based on typical UK rates. Actual costs depend on the specific issue, accessibility, and your location. All quotes from tradespeople on Tradesfolk are completely free.
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Ask a QuestionPlanning Permission Guidance
Some fixes for this problem may require planning permission or building regulations approval. Check if your project needs permission:
How to Prevent This
Check loft insulation is at least 270mm deep. Draught-proof doors and windows. Have an energy performance assessment to identify the biggest heat losses.
Related Problems
Upper-floor rooms feeling noticeably draughty with cold air coming in around windows, loft hatch, or eaves.
Energy bills significantly higher than expected despite normal usage, suggesting heat is escaping from the property.
Internal walls that feel cold to the touch, sometimes with condensation forming on the wall surface.
Other Insulation Specialist Problems
Upper-floor rooms feeling noticeably draughty with cold air coming in around windows, loft hatch, or eaves.
Energy bills significantly higher than expected despite normal usage, suggesting heat is escaping from the property.
Internal walls that feel cold to the touch, sometimes with condensation forming on the wall surface.
Ice or heavy condensation forming on the inside of windows overnight during cold weather.