Plumbing, Heating & Cooling Specialists Company In South London

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“This is how all companies should operate, totally professional and go above the call of duty! I will not be looking elsewhere for gas services.”

James Lloyd

You’ll struggle to find a more efficient and affordable service anywhere in the area.

Why Choose OJ Gas & Heating?

Welcome to OJ Gas & Heating. A family run business established in 1992 based in Orpington, we provide a full gas appliance service which is widely recommended across South East London and Kent. We undertake all gas work, specialising in the installation, servicing and repairs of all makes of boilers, gas fires and cookers.

Man and women holding an OJ Gas & Heating leaflet and showing women how boiler works
kamco accreditation
Worcester Bosch Group accreditation
Vaillant advance installer accreditation
Ideal heating installer logo
Gas Safe Register Logo
F Gas Certification

Why Choose OJ Gas & Heating?

Man and women holding an OJ Gas & Heating leaflet

Boiler Installation

Prices for a brand new “A” rated boiler start from just: £1,495 + VAT

Up to 12 year guarantee & professional, expert Installation.

Man looking at a boiler analyser tool

Boiler Servicing

Keep your boiler running safely and efficiently with expert boiler servicing in South London from OJ Gas & Heating. Our boiler servicing is £80+ VAT (One-Off Price). Cheaper than all of our competitors in South London.

Boiler Repair

When your boiler stops working, we specialise in professional boiler repairs in South London.

Man with screwdriver wearing a black top working on a boiler repair

Underfloor Heating

Get a no obligation visit from one of our experts below for underfloor heating.

Man working on underfloor heating pipes
Man fitting an aircon unit into a house

Air Con

We provide professional air conditioning installation for homes and businesses, offering reliable systems that keep your space comfortable all year round.

Man standing and working in front of an aircon unit

Heat Pumps

Looking for an energy-efficient alternative to traditional heating? At OJ Gas & Heating, we provide expert heat pump installation in South London, helping homeowners future-proof their properties with low-carbon heating solutions that are built to last. Heat pumps are the future of home heating.

Central Heating

Energy Efficient Advice

Gas Cookers & Fires

Gas Safety Inspections

Insurance Work

Landlord Inspections

South London Plumbing, Heating & Aircon Specialists

At OJ Gas & Heating We Promise…

  • You’ll receive an honest value for your money.
  • To respect your home as if it were our own.
  • Our technicians are Licensed and Experienced.

  • To be available 24 hours a day 7 days a week.

  • To handle small jobs as seriously as large ones.

  • To always make your satisfaction our #1 goal.

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Get In Touch Today!

Work with a trusted company who have been around since 1992. We’re family run, and treat your home as if it was ours. With over 1000+ happy customers, you’re in the right hands.

Work With Us In 4 Simple Steps!

Man sitting at a desk answering a phone

1. Book Your Appointment

Whether it’s a boiler issue, heating upgrade, or annual service, just give us a call or book online. We’ll get your details and confirm a convenient time that works for you.

Man with hoover walking to a house walking away from OJ Gas & Heating van

2. Engineer Dispatched

One of our certified gas engineers will arrive on time, fully equipped, and ready to get started. You’ll always get polite, tidy, and professional service.

Man with tool working on copper pipe work

3. Work Carried Out Safely

From small repairs to full installations, we carry out all work to the highest standard, using quality parts and following all safety regulations.

Man and women holding an OJ Gas & Heating leaflet

4. Job Complete & Peace of Mind

Once the job’s done, we walk you through the work, ensure you’re happy, and leave your home clean and warm – with full documentation and guarantees.