Black Transit van with SLT Heating Ltd branding parked outside a UK home for boiler repair work

Heating engineer in Hampshire and the South of England

Boilers, heating and hot water

Boiler repairs and heating help across Hampshire and the South of England

From urgent faults to planned upgrades, we specialise in all aspects of central heating with quality workmanship and excellent customer service.

Need us sooner? Call 07359 350101

  • Repairs
  • Servicing
  • Installations

Experience

20+ years in the gas industry

Gas Safe

Gas Safe Registered

Local focus

Hampshire and South of England

Services

Heating services

Each service page explains the sort of jobs it covers and how we usually approach them.

Heating engineer working on a boiler installation.

Boiler breakdowns

Breakdowns

Boiler breakdown repairs across Hampshire and the South of England for no heating, no hot water, and boiler faults.

  • Fault-finding on boilers, controls, and heating components
  • Diagnosis of pressure loss, lockouts, leaks, and intermittent faults
  • A practical explanation of what has failed and what happens next
Hot water cylinder installation with copper pipework and heating components.

Boiler servicing

Servicing

Boiler servicing across Hampshire and the South of England to help keep your heating safe, efficient, and reliable.

  • Annual boiler servicing
  • Checks on safe operation, combustion, and key components
  • Notes on wear, condition, or anything worth keeping an eye on
Combi boiler installation above a kitchen worktop with copper pipework.

New boilers

Boiler Installations

New boiler installations and replacements across Hampshire and the South of England, planned around the property and how you use your heating.

  • Replacement boilers for ageing or unreliable systems
  • New installations and system changes for domestic properties
  • Recommendations based on the home, layout, and hot water demand
Alpha heat pump outdoor unit installed on an exterior brick wall.

Heat pumps

Air Source Heat Pump Installations

Air source heat pump installations across Hampshire and the South of England for homeowners considering a lower-carbon heating setup.

  • Air source heat pump installation for suitable homes
  • Checks on outdoor unit position, cylinder space, and radiator suitability
  • Guidance on how the change affects hot water and day-to-day use

Coverage

Where we normally work.

We cover Hampshire and the South of England, with Portsmouth as our base.

  • Hampshire
  • East Sussex
  • West Sussex
  • Surrey
  • Portsmouth

Just outside the usual area?

If you are close by and cannot see your area listed, send your postcode over or give us a ring.

We can usually tell you quickly whether the area is workable.

How it works

What happens after you contact us.

A quick outline of how a new enquiry usually moves forward.

1

Tell us the job or fault

Let us know what is happening, where the property is, and the best number to reach you on.

2

We ask whatever matters

Depending on the job, we may ask for a boiler make, a few photos, or a bit more background first.

3

We confirm the right route

That might be a visit, a service booking, a quote, or a conversation about the options.

FAQs

Common questions.

A few of the questions people usually ask before getting in touch.

What kind of work do you cover?

We help with boiler breakdowns, servicing, replacements, and air source heat pump installations.

Is it better to call or email?

If it is urgent, call us. For planned work, email is a good option if you want to send the details over in one message.

What should I do if I have no heating or hot water?

Call us and let us know what is happening. If you have lost heating or hot water, phoning is the quickest way to reach us.

Can I still ask about a job that is not listed on the website?

Yes. If it involves your boiler, heating, hot water, or a smaller plumbing job, just get in touch.

Contact

Ready to get in touch?

The contact page has the phone number, email address, and a quick checklist for new enquiries.

Best route

Use the method that suits the job

Calls are easiest for urgent faults. Email works well for planned work, quotes, or anything you want to set out clearly.

Get in touch

Ready to book or ask a question?

We can help with a fault visit, a service booking, a replacement quote, or a heat pump conversation.