Oakray - Designed, Installed, Managed, Maintained | Enfield, North London

Domestic Heating


Oakray Ltd is one of the leading specialist domestic heating contractors in the London region, providing heating and hot water services to domestic properties and private landlords for over 40 years. Our experienced and highly qualified Gas Safe registered engineers offer a complete service, from installation and maintenance through to emergency repairs.


Whatever your domestic heating and hot water requirements, Oakray can provide a complete solution, ensuring best practice along with excellent value. We also offer planned preventative maintenance and a full reactive and repair service including round-the-clock call-out. Our domestic heating services include:

• Full design and specification

• Domestic gas appliances Pressurised systems installation and maintenance

• System power flushing

• Underfloor heating

• Condition Surveys

• Water Treatment

• Boiler maintenance (gas, oil, solid fuel, LPG and biomass)

• Planned preventative maintenance to heating and hot water systems

• Full reactive repairs and emergency call out service

Testing and

Our Gas Safe registered engineers provide a comprehensive range of testing and certification services for safety and legal compliance, including:

• Statutory maintenance, testing and certification

• Landlords certification

• Glycol efficiency tests



Our expertise in all types of renewable energy enables us to offer tailored strategies to help you reduce your carbon emissions, cut costs and ensure compliance with relevant government energy legislation. Our comprehensive range of renewable energy services includes:

• Air source heat pumps

• Ground source heat pumps

• Solar thermal heating systems

• Full design and specification service


of Mind

Our commitment to quality and pride in the job ensures that every project is completed to the highest industry standards. Our fully qualified gas engineers are Gas Safe registered and our specialist oil engineers are OFTEC certified. We are registered with Hetas for solid fuel installation, service and maintenance. Oakray Ltd is fully accredited by CHAS (Contractors Health and Safety Assessment Scheme), the British Safety Council, the Royal Society for the Prevention of Accidents (ROSPA) and Constructionline, and also registered to ISO 9001, ISO 14001 and OHSAS 18001.

Why Choose Us?

  • Gas Safe Registered engineers for your peace of mind
  • Cost effective heating and hot water solutions, tailored to your needs
  • Renewable energy solutions to protect the environment and save you money
  • Round the clock support for emergencies


H & V Awards finalists for 2016 District Heating Project of the Year

Installing New Technology Today, for Tomorrow’s World

For further information telephone 020 8370 4500