LPG & Natural Gas Boiler Servicing
Semmens Oil Supplies is a Gas Safe registered company with highly skilled heating engineers working to Gas Safe codes of Practice.
All of our heating engineers have had rigorous training with the boiler manufacturers, providing us with a wealth of technical knowledge for a comprehensive service to our customers.
Semmens Oil Supplies are able to service all types of domestic gas appliance. We service all types of boilers, Aga's, Rayburn's, fire's, water heater's and cookers.
We are able to cover all Natural Gas & LPG Gas appliances.
Semmens Oil Supplies also offer Land Lord Certificates and mobile home safety checks to meet insurance requirements.
It is recommended that a gas fired boiler be serviced once a year, thus optimising the efficiency of the appliance.
Regular servicing of your gas fired boiler will include a thorough cleaning, combustion efficiency check and the replacement of consumables if required.
Why should I service my Boiler regularly? Click Here for our Easy Guide
Service Agreement Plan
Our service agreement plan provides our customers with a comprehensive annual service and peace of mind, with our priority breakdown cover.
To reward our loyal customers for joining our service agreement plan we discount all of our servicing, call out and labour charges. We also source top quality spare parts at the best possible prices.
We offer emergency breakdown cover monday to friday 8am - 5pm. Our engineers carry a wide range of parts and can generally get your appliance up and running on the first visit.
As part of our commitment to cost effectiveness and value for money we offer our service agreement customers the option of spreading the cost of an annual service over 12 monthly payments, through our budget payment plan.
We also offer our customers a range of other services including Oil Tank Replacements, Boiler Insurance and Watchman Sonics.






