Gas Safe Heating Engineers covering North East Lincolnshire
If your boiler has broken or is struggling and you’ve got a cold house, you’re probably looking for recommended heating engineers in Grimsby. iWarm are Lincolnshire’s 5-star rated Gas Safe registered (932713) central heating repair specialists.
Gas Safe Registered: 932713
Local Proximity: Serving Grimsby, Cleethorpes, and the Humber Bank today
Availability: Same-day diagnostic slots typically available.
Book Online: Use our online booking platform to schedule your heating engineer appointment.
Call Now: 07825 121000
Email: [email protected]
Quick Service Overview
Designed for rapid reference, the table below outlines our current service availability for the Grimsby area.
| Service | Average Response Time | Certified? |
| Boiler Repairs in Grimsby | 8-24 hrs | Yes (Gas Safe) |
| Annual Boiler Service | Within 3–5 Days | Yes (Gas Safe) |
| New Boiler Installation | 24–48 hrs Survey | Yes (Gas Safe) |
| Gas Safety Certificates | Same Week | Yes (Gas Safe) |
When it’s an emergency and you need a heating engineer ASAP, contact us directly and we’ll try our best to help you.
Comprehensive Heating & Gas Services
In Grimsby’s coastal environment, heating systems face specific challenges, from salt-air corrosion on external flues to the heavy limescale deposits common in North East Lincolnshire’s water supply. We don’t just “fix” boilers; we engineer solutions that last.
- Boiler Repairs: We specialise in rapid diagnostics for “no heating/no hot water” emergencies. Whether it’s a seized diverter valve or a perished diaphragm, we carry a high first-fix stock for common UK brands.
- Boiler Installations: Grimsby’s water hardness can decimate a new heat exchanger in years if not handled correctly. Every install we lead includes system-specific protection and high-efficiency plant upgrades.
- System Health: We offer both Chemical System Flushing and Magnacleanse System Flushing to restore circulation efficiency. If your radiators have cold spots, your pump is working too hard.
- Landlord Services: Fast-turnaround Gas Safety Certificates for the Grimsby and Cleethorpes rental markets.
- New and Replacement Radiators: If you’ve got a leaking radiator and want it replacing, or need a radiator moving whilst remodelling your home, we’ve got you covered.
- Pipework Installation: If you need your gas supply pipework moving or re-routing, we’re qualified to make the changes you require.
- Leak Detection: Whether you can smell gas, or you’ve got central heating pipework leaking, our engineers will be able to get your problem fixed fast.
Heat Pumps
Whilst our heating engineers are qualified for the safe installation and maintenance of heat pumps, alongside being F-Gas Certified, we’ve currently not all the tools and equipment required to confidently attend breakdowns knowing we’ve got everything “at hand”. If you’re interested in working with us, please contact us and register your interest. Knowing we’ve got customers ready to work with us helps justify the large capital investment required.
Serving Grimsby, The Surrounding Neighbourhoods and Wider Lincolnshire
From the Victorian terraces near People’s Park requiring sensitive retrofitting to the modern new-builds in Waltham and New Waltham, we understand the local housing stock. Our engineers are familiar with the varied water pressures across the West Marsh and the higher elevations towards The Wolds.
Our Service Areas:
- Grimsby
- Cleethorpes
- Humberston
- Tetney
- North Thoresby
- Healing
- Waltham
- New Waltham
- Scartho
- Nunsthorpe
- Louth
- Immingham
- Brigg
Frequently Asked Questions:
| How much does a heating engineer cost in Grimsby? For a standard diagnostic call-out or minor repair in the Grimsby area, you can typically expect to pay between £75 and £160 plus parts, depending on the complexity of the fault and whether specialist parts are required. Larger projects like boiler swaps are quoted on a fixed-price basis following a site survey. |
| Do you cover Immingham and the Humber bank? Yes. We have a dedicated presence along the Humber bank, serving residential clients in Immingham and the surrounding villages like Stallingborough and Habrough. |
| Are you available for emergency boiler repairs on weekends? We maintain a priority list for emergency breakdowns. If you are a vulnerable resident or have a complete loss of heating during winter months, we aim for same-day attendance across North East Lincolnshire, including Saturdays. |
| Why is my boiler losing pressure in my Grimsby home? In our experience, the local “hard” water often leads to premature wear on safety valves or leaks at the radiator valves. If you’re topping up your loop more than once a month, you likely have a hidden leak or an expansion vessel issue that needs professional attention. |
| Are you Worcester Bosch or Ideal accredited? We are experienced with all major manufacturers. Being local means we see a high volume of Ideal Logic and Worcester Greenstar units. We provide manufacturer-backed warranties on new installations and use genuine OEM parts for all repairs. |
Other Grimsby Heating Service Pages:
EXCELLENT
Based on 7 reviews
Posted on Google![]()
SamaraTrustindex verifies that the original source of the review is Google.
Great service, reasonable pricing, got the job done extremely quick, nice lad, very professional and cleaned up after himself, absolutely would recommendPosted on Google![]()
DainoraTrustindex verifies that the original source of the review is Google.
I had a boiler issue, stopped working. He arrived on the same day and ensured that the boiler works while we wait for parts. Kept me updated while parts were coming and asked if the boiler is still working. Always kept the area clean and explained what was the issue. Great job! Definitely recommend.Posted on Google![]()
AdrianTrustindex verifies that the original source of the review is Google.
Fantastic service from Guy, who travelled out to Market Rasen on a Sunday when our boiler stopped working. He was super professional, quick to sort the issue, and great value for money. With kids in the house, getting the heating and hot water back on meant everything, definitely one of those luxuries you take for granted until they’re gone. Really appreciate the effort and would highly recommend.Posted on Google![]()
AnnetteTrustindex verifies that the original source of the review is Google.
Guy came to us today which was a wet and cold Sunday afternoon as my Elderly Mother was without heating. After initial contact a time was agreed and Guy arrived on the dot.... He was very good and explained everything he was doing ensuring we understood what was happening. Guy was very clean and there was not a single bit of mess left behind. He made sure we were happy with the work and didnt leave until he was 100% sure the problem was fixed. There was no hard sell with Guy at all he explained a few options for us in the future. Would HIGHLY reccommend Guy and have saved his details for future use. 5☆☆☆☆☆Posted on Google![]()
DavidTrustindex verifies that the original source of the review is Google.
Thank you very much for servicing my boiler and balancing my radiators. All working well again. Highly recommended.Posted on Google![]()
JamesTrustindex verifies that the original source of the review is Google.
Was polite and tidy. Fixed an issue with our central heating and fitted a new bathroom radiator. Thanks
Questions? Contact us
Serving customers in Grimsby, Cleethorpes, Immingham, Louth, Brigg, Caistor, Market Rasen, Barton upon Humber and Scunthorpe.

