
Upgrade Your Radiators for Better Warmth & Efficiency.
From modern replacements to expert repairs — we keep your home’s heating system performing perfectly.
Radiator Upgrades and Repairs across Leeds and Surrounding Areas
Upgrade your home comfort with Grun Plumbing and Heating. We specialise in upgrading and repairing radiators to improve heat output, efficiency and style across all room sizes and layouts. Whether you’re replacing old units, adding the warmth of designer radiators, or fixing a cooling issue, our engineers handle every step from selection to professional installation and testing.

What you get with our radiator service
- Improved heat output and more even room temperatures
- Enhanced energy efficiency through better heat transfer and correct balancing
- A wide range of radiators to suit every style and budget (flat panel, column, designer, large or tall formats) plus heated towel rails
- Compatibility with your existing boiler, valves and controls, with TRV (thermostatic radiator valve) options available
- Clean, tidy installation with minimal disruption and responsible disposal of old radiators
- Full commissioning, venting, bleeding and radiator balancing to optimise performance
- Power flushing and inhibitor treatment to protect the system and extend life

Our Approach
- Free survey and radiator assessment to determine the best upgrade or repair solution
- Clear quotation with options, timelines and no hidden costs
- Supplying trusted, high‑quality radiators and components
- Professional installation by our qualified engineers
- Thorough testing and commissioning, including system balance checks
- Practical advice on maintenance and future upgrades

Radiator repairs and maintenance
- Fixing leaks at radiators, valves or fittings
- Replacing faulty thermostatic radiator valves (TRVs) and lockshields
- Bleeding air from radiators to stop cold spots
- Rebalancing the system for even heat distribution after changes
- Fault finding for noisy or cold spots, and resolving circulation issues
- Valve replacements, pipework repairs, and system checks as needed

Safety, compliance and expertise
- Electrical work related to thermostats and controls carried out by our qualified electricians in line with UK regulations
- All work designed and installed to meet current safety and efficiency standards
- Clear warranties and service options for peace of mind
Get a Quote or Book a Visit
Ready to upgrade or repair your radiators? Contact Grun Plumbing and Heating today for a free, no‑obligation survey and expert guidance on the best radiator solution for your home.
Contact Us
- Request a free, no-obligation quote
- Book a service appointment
- Contact us by phone or email for quick answers
Phone: 07864 094041
Email: grunplumb@gmail.com
