We Are a Specialist Repair And Maintenance Company Serving London 


Heat Interface Units

With our wealth of experience in plumbing and heating, we’re able to carry out HIU repairs with ease. we repair all makes of Heat Interface Units. We are  specialists in the Mibec range and carry spare parts on our van.

unvented cylinders

Unvented Cylinders

From boilers to hot water systems, we reliably provide a wide range of services. To discover how we’re able to help please visit our contact  page.


Domestic Properties

Whether you’re a homeowner or a landlord, we’re here to help. We offer heating services that can be tailored to assist both residential property owners and landlords.


Water Treatment

As well as specialising in plumbing and heating, we also provide an array of other services, including powerflushing. Look no further than us to have your requirements met.

“Very Happy with the Work Completed”
“Very happy with the work completed and help given. Have kept details and would have no hesitation using Matthew for any further plumbing work that we have.”

- Marque

“The Right Price”
“Prompt service at the right price.”

- Kate


“Efficient and friendly.”

- Alice

“Extremely Efficient and Extremely Competent”
“I was delighted with them. I found them extremely efficient and extremely competent. I highly recommend them.”

- Charlie

“Could Not Fault Anything at All”
“First time I've ever been completely happy with a job - could not fault anything at all. Would definitely use again.”

- Danielle

About Us

For all of your Hot water and central heating needs, look to Smart Call Plumbing & Heating Ltd. Based on the edge of the M25 London Orbital we serve our customers throughout London with ease, we’re on hand to provide a wide range of first-rate plumbing and heating services. Drawing upon on our 23 years of experience, we specialise in repairs to HIU's,Gas Boilers,and Unvented Hot water Cylinders.Whether you’re a homeowner or a landlord with single or multiple occupants, we’re ready to assist you.

Contact us  today, to find out how we can assist you with your heating and hot water requirements .