Your new boiler installation is important to us. Whether you are interested in Vaillant boilers, Worcester boilers or any other boiler brand, our plumbing and gas engineers are all Gas Safe Registered and have many years of experience within the trade.

Over the years we have installed boilers for home owners and landlords throughout Portsmouth and all of the surrounding areas. Below are some of our boiler installation images, our team have a wealth of industry knowledge which is paramount when upgrading or installing a new boiler in your property. We are an approved installer for many manufactures and we can offer extended warranties on hundreds of boiler makes and models. 

We will guide you personally through the whole process of choosing the right boiler for your property. Call us and we will come to your home and provide you with a free no obligation quotation that's suits you for your boiler replacement.


Vaillant Boilers or Worcester Boilers?

When choosing a new boiler for your home it is likely that you will be told that the best choice is either Vaillant boilers or Worcester boilers. At Domestic Gas Services we recommend both of these manufacturers are and have been installing Vaillant boilers and Worcester boilers for many years and can provide extended warranties on both manufacturers. 


How do we know which boiler is best for your home?
We take calculations of the heating output combined with water consumption. Also the amount of bathrooms you have in your home. We take into account the current plumbing system, and if it needs to be upgraded. There are many mitigating factors that account for our final decision. 


Energy Efficiency  

All boilers sold in the UK today are A rated, meaning they have passed stringent UK testing for emissions and gas consumption. Boiler replacement Portsmouth and our team will always advise on any new updates to the regulations that will affect boiler choice prior to boiler installation. Portsmouth




If you would like us to be of assistance or if you would like further information & a free quote then please feel free to contact Domestic Gas Services today on the number below. We offer a professional, honest and reliable service to all of our customers.

CALL NOW ON: 0800 002 9560


Why Choose Us?

    • • Professional Service
    • • All Work Guaranteed
  • • Gas Safe Registered
  • • 24 Hour Call Out Service
  • • Competitive Prices
  • • Free Advice Available
  • • Free Quotations

Services Include:

  • • Emergency Call Out
  • • New Boiler Installations
    • Central Heating
    • Gas Appliance Installation
  • • New Bathrooms
  • • Gas Appliance Installation
  • • Boiler Breakdowns

Contact Us:

  • Tel: 0800 002 9560
  • Email:

  • Address: Unit 8, Havant Business Centre, Havant, PO9 1HU