Radiators play a key role in keeping homes across Exeter warm and comfortable. But when problems arise, delays in fixing them can lead to inefficiencies, rising bills, and chilly rooms. In this guide, we’ll explore five frequent radiator faults and how to spot the warning signs—so you can book a radiator repairs Exeter service before things get worse.
1. Cold Spots or Uneven Heating
The issue: Radiator heats only partially—commonly warm at the top, cold at the bottom.
Cause: Sludge, rust or trapped air restricts water flow, creating cold zones. This is a top reason people need radiator repairs Exeter professionals.
How to spot it:
- Touch test: parts of the radiator stay cold.
- One radiator underperforms while others work fine.
- Heating costs rise without improved warmth.
2. Leaking Radiators
The issue: Damp patches or water under the radiator.
Cause: Commonly from worn seals, valves, bleed screws or internal corrosion.
How to spot it:
- Water pooling around joints or on the floor.
- Leaks at bleed valves or connection points.
- Falling system pressure.
For persistent leaks, contact a radiator repairs Exeter specialist immediately to avoid damage to flooring and walls.
3. Strange Noises from Radiators
The issue: Gurgling, banging, or hissing sounds when heating is on.
Cause: Airlocks, internal debris, or valve problems causing uneven water flow.
How to spot it:
- Listen as the heating system starts.
- Noises from valves or pipework.
- Sounds ease after bleeding the radiator.
Noisy systems may indicate a deeper issue requiring professional inspection from an Exeter-based expert.
4. Rust and Corrosion
The issue: Flaky paint, visible rust, or pinhole leaks.
Cause: Oxidation over time, poor water quality, or lack of maintenance.
How to spot it:
- Rust patches, especially around seams and joints.
- Blistering paint or bubbling under the surface.
- Damp spots or signs of metal decay.
Corrosion is one of the more serious signs that call for urgent radiator repairs Exeter to prevent further damage.
5. Faulty Valves or Bleed Screws
The issue: Radiators don’t heat up or leak from the valve.
Cause: Wear and tear on manual or thermostatic valves; failing bleed screws.
How to spot it:
- Radiators remain cold even when the system is active.
- Difficulty turning the valve.
- Leaks or hissing when adjusting valves.
Valve issues are common and often easily fixed by a radiator repairs Exeter technician.
When to Call for Radiator Repairs Exeter
Try These First:
- Bleed your radiators: especially if you hear gurgling or have cold tops.
- Check pressure: top up if your boiler shows low pressure.
- Tighten valves: but only if you’re confident it’s safe to do so.
Call a Professional If:
- Cold spots persist across multiple radiators.
- You notice leaks, rust or corrosion.
- Valves are faulty or bleeding doesn’t help.
Always prioritise safety. Shut off the heating and wait until radiators cool before handling valves or attempting repairs.
Keep Your Home Cosy with Expert Radiator Repairs Exeter
Spotting and resolving radiator issues early helps avoid costlier repairs and chilly days. Whether it’s strange noises, leaking valves, or rusty panels, knowing when to act is key. For reliable, expert radiator repairs Exeter services, visit our radiator repair page or get in touch for a quick quote.
Contact Us Today:
📞 Phone: 01752 427417
📧 Email: James_toms123@icloud.com
FAQs About Radiator Repairs Exeter
Q1: How often should I service my radiators?
A1: Ideally once a year before winter. Look out for cold spots, noises or leaks between services.
Q2: Do I need power flushing for my system?
A2: If multiple radiators are underperforming or you have constant cold spots despite bleeding, yes. Power flushing clears sludge and debris effectively.
Q3: Is it safe to fix a leaking radiator myself?
A3: Minor valve leaks may be manageable if you’re experienced. But for corrosion, structural issues or hidden pipework leaks, always call a radiator repair Exeter expert.


