Is your boiler acting up again? Whether you’re hearing strange noises or your radiators aren’t heating properly, understanding the issue is the first step to solving it. At A&C Heating and Plumbing Ltd, we’ve helped countless homeowners across North and West London tackle boiler issues — and we’re here to help you too.
1. Low Boiler Pressure
Symptoms:
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No hot water or heating
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Error codes on display
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Pressure gauge reading below 1 bar
Fix:
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Repressurise the system using the filling loop (usually under the boiler)
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Turn the valves slowly and stop when the pressure reaches 1–1.5 bar
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Don’t forget to close the valves properly
Tip: If pressure drops again quickly, call a professional — you might have a leak.
2. No Heat or Hot Water
Possible causes:
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Thermostat issues
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Broken diaphragms or valves
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Airlocks or low pressure
Fix:
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Check thermostat and timer settings
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Repressurise the boiler if needed
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Try resetting the boiler
If the issue persists, contact a Gas Safe registered engineer.
3. Strange Boiler Noises (Kettling or Banging)
Sounds like:
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Whistling
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Gurgling
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Banging
Causes:
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Limescale build-up on heat exchanger
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Air in the system
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Low water pressure
Fix:
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Bleed radiators
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Flush the system (professional service recommended)
4. Radiators Not Heating Evenly
Issue:
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Cold spots at top or bottom of radiators
Fix:
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Bleed the radiators using a radiator key
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Check boiler pressure after bleeding
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Balance the system if necessary
5. Boiler Keeps Turning Off
Possible reasons:
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Low water pressure
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Thermostat malfunction
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Blocked condensate pipe
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Pump issues
Fix:
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Repressurise if needed
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Check thermostat batteries/settings
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Inspect condensate pipe in winter for freezing
6. Leaking Boiler
This is serious. Leaks can be caused by broken seals, corrosion, or faulty components.
Fix:
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Turn off the boiler
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Do not attempt to fix it yourself
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Call a professional engineer immediately
When Should You Call a Heating Engineer?
DIY is great for minor issues, but you should contact a qualified engineer when:
✅ The issue recurs frequently
✅ There’s visible leaking or you smell gas
✅ Error codes don’t reset
✅ The boiler is old or hasn’t been serviced in 12+ months
Reliable Boiler Repair in North & West London
At A&C Heating and Plumbing Ltd, our engineers are fully qualified, Gas Safe registered, and always ready to assist you quickly and professionally.
📍 We cover areas like Ealing, Acton, Chiswick, Kilburn, Islington, Harrow, Wembley, Finchley, and more.
📞 Call us now on 0779 559 5757
Don’t Let Boiler Problems Disrupt Your Comfort
Whether it’s a simple fix or a complex repair, we’re here to help. Let us restore warmth to your home today.
✅ Same-day repairs
✅ Transparent pricing
✅ Trusted by homeowners across London
📞 Call 0779 559 5757 | Contact us here
