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  • How can I troubleshoot minor boiler issues before calling a repair technician?
    Before calling a repair technician, homeowners can troubleshoot minor boiler issues by checking the thermostat settings, ensuring the boiler is receiving power, inspecting for visible leaks& has sufficient boiler pleasure or resetting the boiler.
  • Do you charge a call out and what included in my call out charge?
    Yes. At City Gas we charge a call out charge. As when it comes to the repair of boilers there are many parts and components that need testing which takes time, All our call out charges included... Testing of faulty parts & components Repair of minor faults that don't require parts included. Or a full diagnosis of the issue. Our engineer will be happy to show you and explain about the full procedure whilst carrying out the repair.
  • How much does boiler repair usually cost?
    The cost of boiler repair depends on factors such as the extent of the damage, the parts required, and the labor involved. On average in the U.K, a boiler repair costs range from [£100-£450].
  • What are the common signs that my boiler needs repairs?
    Common signs that your boiler needs repairs include unusual noises, irregular heating, frequent cycling on and off, leaks, and a noticeable increase in energy bills.
  • What is the typical lifespan of a boiler, and how can I prolong its lifespan through repairs?
    The typical lifespan of a boiler varies depending on factors such as usage, maintenance, and the quality of the unit. With regular maintenance and timely repairs, homeowners can prolong the lifespan of their boilers with some makes lasting up to a whopping 25 years - 30 years, but on average we seem to replace boiler made by a top manufactures in the about 8-12 years.
  • Is it safe to attempt DIY boiler repairs?
    While some DIY boiler repairs may be feasible for homeowners with experience and knowledge, it's generally safer to leave boiler repairs to qualified professionals to avoid the risk of accidents, injuries, or further damage to the system
  • How long does it typically take to repair a boiler?
    The duration of boiler repairs can vary depending on the nature and extent of the issue. Minor repairs may be completed within a few hours, while more complex issues could take longer, potentially requiring multiple visits.
  • What is a central heating power flush?
    A central heating power flush is a highly effective procedure used to clean and restore the efficiency of central heating systems. Over time, central heating systems can accumulate debris, sludge, and rust, which can hinder their performance and lead to issues such as reduced heat output, cold spots on radiators, and increased energy consumption. A power flush involves the use of specialized equipment to flush out these contaminants from the system, ensuring that water can circulate freely and efficiently. This process helps to improve the overall performance of the central heating system, increase its lifespan, and reduce the likelihood of breakdowns or costly repairs. By investing in a central heating power flush, homeowners can enjoy a more comfortable and energy-efficient home environment while prolonging the life of their heating system.
  • What are the benefits of power flushing my central heating system?
    Power flushing your central heating system offers a multitude of benefits, including improved efficiency, enhanced heating performance, and reduced energy consumption. By removing built-up sludge, rust, and other contaminants from the system, a power flush restores optimal water circulation, allowing radiators to heat up more quickly and evenly. This results in a more comfortable home environment with consistent heating throughout. Additionally, a cleaner central heating system is less prone to breakdowns and requires less energy to operate, leading to potential savings on heating bills. Furthermore, power flushing helps prolong the lifespan of your boiler and central heating components, reducing the need for costly repairs or replacements in the future. Overall, investing in a central heating power flush can yield significant long-term benefits for homeowners, both in terms of comfort and cost savings.
  • What is the cost of a central heating Power flush U.K
    The cost of a central heating power flush in the U.K will vary depending on the size of the system and type of central heating system you have. We at City Gas power flushing, have set standard charges with no hidden costs, call us for a quote and they price we say is the price you pay, with no added extras needed. A fully comprehensive central heating power flush quote.
  • How long does a power flush take to complete?
    The duration of a central heating power flush can vary depending on factors such as the size of the system, the extent of contamination, and the efficiency of the equipment used. On average, a power flush typically takes between 4 to 6 hours to complete. However, larger or more heavily contaminated systems may require additional time. It's essential to allow sufficient time for the process to be thorough and effective, as rushing through the power flushing procedure may compromise the results. By investing the necessary time and resources into a comprehensive power flush, homeowners can ensure that their central heating system is thoroughly cleaned and restored to optimal performance, minimising the risk of future issues and maximising energy efficiency.
  • How do I know if my central heating system needs a power flush?
    Determining whether your central heating system needs a power flush involves recognizing common indicators of system inefficiency and blockages. Signs that your system may benefit from a power flush include cold spots on radiators, noisy or inefficient boiler operation, slow heating response, and frequent breakdowns or issues with circulation. Additionally, if your central heating system hasn't been serviced or flushed for several years, it's likely that a build up of debris and sludge has occurred, necessitating a power flush to restore optimal performance. By being attentive to these warning signs and scheduling a professional assessment, homeowners can identify whether a power flush is necessary to improve the efficiency and longevity of their central heating system.
  • Should I service my boiler if it's still under warranty?
    It's essential to check the terms and conditions of your boiler warranty regarding annual servicing requirements. Many boiler warranties stipulate that annual servicing by a Gas Safe registered engineer is necessary to maintain the warranty's validity. Failure to adhere to these requirements could result in the warranty being voided, leaving homeowners responsible for any repair or replacement costs. By scheduling annual boiler servicing in accordance with the manufacturer's guidelines, homeowners can ensure that their warranty remains intact and that they're fully covered in the event of any issues with their boiler. This proactive approach not only protects homeowners' investment but also provides peace of mind knowing that their boiler is backed by a valid warranty.
  • How much does annual boiler servicing cost?
    The cost of annual boiler servicing can vary depending on factors such as the type of boiler, its age, and any additional work required. At City gas we charge a flat rate for a standard manufacturer approved boiler service.
  • How often should I service my boiler?
    Boiler manufacturers and heating experts recommend servicing your boiler annually (every 12 months) to maintain its efficiency, reliability, and safety. Regular servicing helps to identify and address any potential issues before they escalate, ensuring that your boiler operates smoothly throughout the year. Additionally, many boiler warranties require annual servicing to remain valid, emphasizing the importance of this routine maintenance task. By scheduling annual boiler servicing, homeowners can maximize the lifespan of their boiler, minimise the risk of breakdowns, and optimize energy efficiency, ultimately saving money on repair costs and energy bills in the long term.
  • Why is annual boiler servicing important?
    Annual boiler servicing is crucial for maintaining the efficiency, safety, and longevity of your boiler system. During a service, a qualified engineer thoroughly inspects and cleans the boiler, checking for any faults, leaks, or potential issues. This proactive approach helps to ensure that the boiler operates at peak performance, minimizing the risk of breakdowns, carbon monoxide leaks, and costly repairs. By investing in annual boiler servicing, homeowners can extend the lifespan of their boiler, improve energy efficiency, and enhance safety for themselves and their families. It's a small investment that can yield significant long-term benefits, including peace of mind and reduced energy bills.
  • Does boiler servicing help prevent breakdowns?
    Regular boiler servicing plays a crucial role in preventing breakdowns and prolonging the lifespan of your boiler. During a service, qualified engineers can identify and address minor issues before they escalate into major problems, reducing the risk of unexpected breakdowns and costly repairs. By conducting thorough inspections and maintenance tasks, such as cleaning internal components and testing controls, boiler servicing helps to ensure that your system operates at peak performance all year round. This proactive approach not only enhances the reliability and efficiency of your boiler but also contributes to greater peace of mind for homeowners, knowing that their heating system is in optimal condition.
  • What does a boiler service involve?
    During a boiler service, the engineer performs a series of checks and tests to assess the condition of the boiler, including A visual check of the boiler The boiler being fired to identify faults A flue gas & C.O test Opening up the boiler & inspecting it Checking and adjusting the system pressure Cleaning the condensate trap Pressurising boiler & bleeding radiators Checking the flue and ventilation are in accordance with Gas Safety (Installation and Use) Regulations This thorough examination helps to identify any underlying problems early on, preventing them from escalating into major issues that could result in breakdowns or safety hazards.
  • How often does a landlord need to carry out a gas safety check?
    Landlords in the UK are required to arrange for annual gas safety checks on their rental properties, as stipulated by the Gas Safety (Installation and Use) Regulations 1998. These regulations mandate that landlords ensure all gas appliances, fittings, and flues are maintained in a safe condition for tenants. The frequency of these checks is typically every 12 months, although it may vary depending on specific circumstances or recommendations from Gas Safe registered engineers. By prioritizing regular gas safety inspections and obtaining CP12 certificates, landlords not only comply with legal requirements but also demonstrate their commitment to providing safe and habitable living environments for their tenants, enhancing their reputation and minimizing risks associated with non-compliance.
  • Who is responsible for obtaining the CP12 certificate, the landlord or the tenant?
    In the UK, landlords are legally responsible for ensuring the safety of gas appliances in their rental properties, as mandated by the Gas Safety (Installation and Use) Regulations 1998. This means it's the landlord's duty to arrange for annual gas safety checks conducted by Gas Safe registered engineers and obtain a CP12 certificate. Failure to comply with these regulations can result in severe penalties, including fines or even imprisonment. By prioritizing the CP12 certification process, landlords demonstrate their commitment to tenant safety and compliance with legal requirements, ultimately fostering trust and satisfaction among tenants and regulatory bodies alike.
  • What does a gas safety check involve?
    A gas safety check, often referred to as a CP12 inspection, is a crucial procedure for landlords in the UK to ensure the safety of gas appliances in their rental properties. During this inspection, a Gas Safe registered engineer thoroughly examines all gas appliances, fittings, and flues to identify any potential safety hazards or issues. This comprehensive assessment includes checks for gas leaks, proper ventilation, combustion efficiency, and compliance with manufacturer specifications and industry standards. Upon successful completion of the inspection, the engineer issues a CP12 certificate, affirming that the property meets all safety requirements and is safe for occupation.
  • What is a gas safety check?
    A CP12 certificate, also known as a landlord gas safety certificate, is a legal requirement in the UK for landlords who rent out properties containing gas appliances. This certificate verifies that all gas appliances, fittings, and flues are safe for use by tenants. Obtaining a CP12 certificate ensures compliance with Gas Safety (Installation and Use) Regulations 1998, providing peace of mind to landlords and ensuring the safety of occupants. It's crucial to schedule regular CP12 inspections by Gas Safe registered engineers to maintain compliance and safeguard against potential hazards.
  • Is it possible to schedule CP12 inspections at specific times to accommodate my tenants?
    Yes. at City gas we have a simple booking procedure when booking online. Simply fill out the gas safety check online booking form and input the date your tenants has told you they will be available. All of our appointments are full day appointments on the date you have selected, However your tenant does not need to wait around, if you provide your tenants name and phone number, our engineer will call them 30 minutes - 1 hour before arrival so they can go on about their normal day.
  • What happens if my property fails the gas safety check?
    If a property fails the gas safety check, it means that one or more gas appliances, fittings, or flues pose a safety risk to life or property. In such cases, the engineer who is performing the test has a legal obligation to perform "make safe" proceadures and notify the landlord of identifies issues. . It is crucial for landlords to address the identified issues promptly to ensure the safety of their tenants and comply with legal regulations. Gas Safe registered engineers will provide detailed documentation outlining the reasons for the failure and any necessary remedial actions required to rectify the problems. Landlords must prioritise these repairs and arrange for a follow-up inspection to verify compliance and obtain a valid CP12 certificate. Failure to rectify gas safety issues promptly can result in severe penalties, including fines or prosecution, and may put tenants at risk of harm.
  • How much guarantee or warranty do I get with my new combi boiler from City Gas?
    When you purchase a new combi boiler from City Gas, you can expect to receive a comprehensive guarantee or warranty to ensure your peace of mind. Our combi boilers typically come with a standard warranty of 5-10 years, depending on the specific model and manufacturer. here are some examples of standard manufacturers warranty & guarantee Worcester: 5-12 Years guarantee depending on model & upgrades Vaillant: 5-10 years warranty depending on model & upgrades Baxi: 10 years warranty Ideal: 5 years warranty Main: 5 years warranty Our experienced team is committed to providing high-quality products and services, and we stand behind the reliability and performance of the combi boilers we offer. In the unlikely event of any issues or breakdowns, our warranty ensures that you will receive prompt support and assistance from our dedicated team of professionals. At City Gas, we prioritise customer satisfaction and are dedicated to providing you with a reliable and efficient heating solution for your home.
  • Will you recycle my old boiler
    Yes, at City Gas, we are committed to responsible disposal and recycling of old boilers. When you choose our boiler installation services, we will responsibly remove and recycle your old boiler so that it is disposed of in an environmentally-friendly manner. Our team will ensure that all recyclable components are properly processed, reducing waste and minimizing the environmental impact. Your satisfaction and environmental responsibility are one of our top priorities at City Gas.
  • What are the best U.K. boilers to install
    At City Gas, we recommend installing one of the top-rated U.K. boilers such as... Worcester Bosch Vaillant Baxi Ideal Main These boilers are known for their high energy efficiency, reliability, and excellent customer satisfaction ratings. These boilers for example, offers a variety of options such as combi, system, and regular boilers to suit different heating and hot water needs. they are also recognised for quiet operation, compact design, and excellent performance, making it a popular choice among homeowners. Baxi Combi is another reputable option known for its easy installation, high efficiency, and compatibility with smart heating controls. When considering the best U.K. boilers to install, it's important to consult with our expert team at City Gas to assess your specific requirements and ensure the most suitable choice for your heating system.
  • How do I book a new boiler quote with City Gas?
    Booking a new boiler quote with City Gas is simple and convenient. You can easily request a quote by visiting our website and filling out the online form under the "Get a new boiler quote" section. Once you have submitted the form, one of our experienced and knowledgeable team members will reach out to you to schedule a time for an assessment. During this assessment, we will evaluate your current heating system, discuss your specific needs and preferences, and provide you with a personalised quote tailored to your requirements. At City Gas, we understand the importance of a reliable and efficient boiler, and we are committed to delivering high-quality, cost-effective solutions to meet your heating needs.
  • How much does it cost to install a new combi boiler in the U.K.?
    The cost of installing a new combi boiler in the U.K. can vary based on several factors, including the size and type of the boiler, the complexity of the installation, and any additional services required. At City Gas, we offer competitive pricing for our combi boiler installation services, starting at £1,800. However, the final cost will depend on a site visit and assessment by our qualified engineers, who will provide you with an accurate quote tailored to your specific needs. We take pride in offering transparent pricing and exceptional service, ensuring that you receive a high-quality installation at a fair and affordable price. Additionally, we also provide financing options to help manage the cost of your new combi boiler installation. Contact us today to schedule a consultation and receive a personalised quote for your combi boiler installation.
City Gas | Boiler Repair Service & New Installations Gas Safety Check & Boiler Service

City Gas is a trading name of City Gas 24 LTD, registered in England & Wales. Reg no: 15686135
Registered office:
97 Gretna Road

Newcastle Upon Tyne 

NE15 7PH
© Copyright 2025 City Gas

City Gas is an approved Gas Safe registered contractor Reg no: 622516
Which is authorised and regulated by the Health & Safety Executive (HSE) England & Wales. This enables us to carry out various works & services related to gas, boiler heating systems in domestic & commercial settings  or/ & if your boiler needs replacing.

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