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Very high standard of work carried out by Mark. Solved my issue,very knowledgeable,punctual and tidy. Would recommend & certainly use again.

Patrick

Viktor and his team thanks so very much for all your hard work these guys know how to give a professional job very approachable nothing too much trouble they just get on with the job so we didn't have too worry would have them back in a heartbeat

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Excellent service, easy to deal with, good price. Would recommend and will definitely use again.

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At Rated People, we connect you with professional gas boiler installers who can ensure your home is heated efficiently and safely. Whether you’re upgrading your current system or need a completely new gas boiler installation, our trusted experts are just a click away. With thousands of installers available, you can post your job for free and receive up to three quotes to find the perfect fit for your needs. Don’t delay—find a local gas boiler installer today and enjoy a warmer, more energy-efficient home.

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What are the advantages and disadvantages of gas boilers

Gas boilers remain a popular choice for heating homes in the UK. Here are the key advantages and disadvantages to help you decide if a gas boiler is the right choice for your home:

Advantages:

  • Energy Efficiency: Modern gas boilers are highly efficient, with many boasting an energy efficiency rating of over 90%, helping to reduce both energy consumption and your heating bills.
  • Reliable Heat: Gas boilers provide a consistent and reliable heat source, ensuring your home stays warm even in the coldest months.
  • Cost-Effective: Gas is generally cheaper than other fuel types, such as electricity or oil, making gas boilers more economical to run in the long term.
  • Quick Heating: Gas boilers heat up quickly, ensuring your radiators and water are warm within minutes.

Disadvantages:

  • Initial Cost: While running costs may be lower, the initial cost of a new gas boiler installation can be high, especially for premium models or complex installations.
  • Gas Supply Dependency: Gas boilers rely on a continuous supply of natural gas, which can be an issue in rural areas or places without a mains gas connection.
  • Environmental Impact: Although gas is cleaner than other fossil fuels, it still produces carbon emissions, making it less environmentally friendly than renewable energy sources like heat pumps or solar panels.

Cost of a new gas boiler installation

The cost of installing a new gas boiler depends on several factors, including the type of boiler, the size of your home, and the complexity of the installation. Here’s what you can expect:

  • Boiler Type: The type of boiler you choose plays a significant role in the overall cost. Combi boilers, which provide heating and hot water without a separate tank, are generally more affordable, costing between £1,500 and £3,000 for installation. System and conventional boilers, which require more components, can cost between £2,000 and £4,500.
  • Installation Costs: Labour costs for a gas engineer to install a boiler typically range from £500 to £1,500, depending on the complexity of the job and the region. Replacing an old boiler with a new one in the same location is usually cheaper than relocating the boiler or making significant changes to the pipework.
  • Additional Costs: You may need to factor in extra costs for components such as new radiators, thermostats, or smart controls, which can enhance the efficiency of your heating system. Additionally, if your home requires a flue upgrade or significant changes to the pipework, these can add £300 to £1,000 to the total price.

While a new gas boiler installation may seem like a significant upfront investment, the improved energy efficiency of modern boilers can lead to long-term savings on your energy bills.

How long does it take to install a gas boiler?

Straightforward Replacement: If you’re replacing an old boiler with a new one in the same location, the installation process typically takes between 1 and 2 days. This is the most straightforward and quickest type of installation.

Relocation or New System Installation: If you’re moving the boiler to a new location or switching to a different type of system (e.g., from a conventional to a combi boiler), the installation may take 2 to 3 days or more. Additional time will be needed for any required pipework or flue changes.

Testing and Safety Checks: Once the installation is complete, the installer will perform thorough testing and safety checks, including checking for leaks, ensuring the system is functioning correctly, and verifying compliance with regulations. This usually takes a few additional hours.

Other gas boiler installation FAQs

Can I legally install my own gas boiler?

No, you cannot legally install your own gas boiler unless you are a Gas Safe registered engineer.

Are new boilers cheaper to run?

Yes, new boilers are generally cheaper to run than older models due to their higher energy efficiency. Modern gas boilers have efficiency ratings of 90% or higher, meaning they use less fuel to produce the same amount of heat.

Does home insurance cover new boilers?

Home insurance policies typically do not cover the cost of a new boiler installation, as this is considered a maintenance expense. However, some policies may include boiler breakdown cover as an optional extra.

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Reviewed by Caoimhin on 8/12/2025

Gas Safe Engineer with over 15years of heating and plumbing experience. Main business gas and electric heating/plumbing, gas boilers, cookers, hobs. Vented and unvented cylinders. Landlord gas certificates. All domestic installations and repairs.Bathroom and kitchen renovations, small extensions and general renovations.Client focused and keen to give free advice to potential customers.

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Reviewed by ernst on 2/2/2024

Did the job fairly efficiently and promptly !good job!

Established in 2002 as a sole trader, I have developed a number of properties ranging from barn conversions to new build apartments. I have also project managed a number of bespoke new builds and conversions for high profile clients. All trades available!

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Reviewed by Jonathan on 5/9/2024

Fantastic service from start to finish. Would certainly recommend. Has every trade available and the job went smooth.

I am builder I have been working from last 9 years in this building industry And trying to provide quality work to british standard I can do any kind of building job If you need my any help Feel free to contact me

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Reviewed by Cameron on 7/5/2026

Plumber and gas engineer with over 10 years experience available for repairs and installations. I am well mannered, neat, tidy and will complete all jobs on time and without hassle.

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Reviewed by John on 9/5/2019

Very good job done and expertly done. Thanks and good job done. I will be using him again.

Family run fabrication and welding business and construction company offering all types of manufacturing and installation that works closely with our clients our aim is to provide fabrication and welding solutions also building construction with honesty and quality also help to complete project on time

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Reviewed by tina on 3/6/2025

What an amazing job John did. He is a very talented ironworker . Our gate looks like it was made for our house . Would highly recommend .

Welcome to Silverdale plumbing ltd, where we take pride in providing friendly and reliable plumbing services. Our experienced plumbers are known for their professionalism, punctuality, quality work, responsiveness, and great value. From leaky taps to major repairs, we offer personalized solutions to fit your needs and budget, with competitive pricing and a satisfaction guarantee. Trust us for fast and effective service that exceeds your expectations. Contact us today for a free estimate and experience the peace of mind that comes with having your plumbing in good hands. "Positive: Professionalism, Punctuality, Quality, Responsiveness, Value Can't speak highly enough of these guys. Professional from the first phone call all the way to completion of the job. Would recommend 5/5" - Ben Nashman ****** No job too small, Give us as call! ****** All repairs and installations big and small under guarantee Full boiler and heating systems installed at competitive prices. Boiler service plans available Emergency gas repairs Emergency plumbing repairs Emergency heating repairs Work Covered: Bathroom Repairs Heating system installation Radiator installations Power-flushing heating systems Bathroom refurbishments Tap Repairs Emergency leak repairs Boiler faults Boiler servicing Boiler Repairs Boiler repairs CP12 Boiler servicing Boiler installations Boiler Upgrades Cylinder fits

At Sabr construction We Provide customers with the best quality of work for affordable prices.

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Reviewed by Senthil Kumar on 26/11/2024

Nice work, many thanks Omar

All plumbing work undertaken. 20 years experience in both domestic and commercial work. Unsure? Then message or call us to discuss before paying anything. We will happily discuss work over the phone instead of attending with a callout charge, particularly for small repairs. Example services: - Free quotes provided for bathrooms and heating systems; - We will unblock drains and pipework; - Strip and resilicone bathrooms, kitchens; - Repair or replace pipework and valves; - Repair leaks on any plumbing system or heating system; - Replace radiators and/or valves; - Install outdoor taps for gardening and cleaning; - Install warm water outdoor taps for dog washing; - Unblock sink, bath or basin wastes including repairs; - Unblock main drains and soil pipes with jetting equipment; and - Solve and repair overflowing tanks and pipework.

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Reviewed by Jemima on 12/5/2026

In CT Interiors we specialise in all aspects of internal domestic works i.e. conversions, refurbishments, kitchens, bathrooms, windows and decorations. Our remits is to deliver our service, promptly, efficiently and professionally.

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Reviewed by Jen on 9/5/2026

Howdens flat-pack kitchen installation with full design provided. 5-day job agreed, but arrogant attitude, references to “bigger jobs in Fulham,”. Issues dismissed but I should be grateful for his time and price. I did not negotiate his price. Claims “out of scope” items e.g. tall larder unit, integrated bin, drawer under oven. Incomplete work: door panel not fitted, tall larder shelf not installed, base unit wrongly placed, units with gaps. Waste left. Kitchen messy. Paid to leave.

We are small independent building firm who work to extremely high standards, Over the many years we have undertaken 1000s of full building conversions, Inc bathrooms,kitchen, load bearing walls, studwork, first and second fix joinery, first and second fix plumbing. We our fully qualified and work to the very highest standards I

Hi we are a fully qualified gas heating and plumbing company. Our friendly members of staff are hear to help you in any way possible with advise and works you require. We pride ourselves on reliability and competitive rates for all our customers new or old. We cover all works for a dripping tap to a full heating installation.

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Reviewed by Peter on 22/8/2020

Very efficient and pleasant people. The work was carried out promptly and in about half the time estimated. Slightly messy digger tracks left but it started raining shortly before the end of job so marks were inevitable but thought they could have repaired them a bit before they left. But, all in all I am happy to recommend Matthew to anyone.

Owen, a gas engineer/ plumber with 7 years experience covering all domestic plumbing and heating works. Qualified in all appliances fed from natural gas (except fires and space heaters). Able to complete all plumbing works including Bathrooms wet works and Kitchen sinks.

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Reviewed by Simon on 18/12/2024

Friendly person. Job done in good time and with a tidy result. Thanks a lot.

Welcome to Capital heating & plumbing Thanks for viewing my page. My name is Nicky Dodd and the owner of Capital heating & plumbing With 7 years experience in the trade I aim to deliver a professional, reliable service with the highest standard of work and after care. We offer free no obligation quotes and advice and do not charge call out fees. Full central heating systems System upgrades Boiler replacements Radiators Power flushing Gas safety certificates All types of gas work Bathroom installation General plumbing

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Reviewed by bikash on 10/5/2026

Bob Construction Ltd was established in 2007 and has gone to a limited company in 2016. We provide Bristol's home-owners and landlords with professional and affordable property maintenance services in Bristol and surrounding areas.

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Reviewed by David on 13/2/2017

Very happy with work. Arrived promptly and were very happy to take on additional small tasks as requested on the day. Would definitely recommend for further work.

PHP Services has provided plumbing and heating services in houses like yours for over 20 years. Our family-run business provides complete services, from essential to comprehensive property care. For example, do you need your boiler replaced, a dripping tap repaired, or a complete bathroom refurbishment? Our staff are Gas Safe and OFTEC registered, and we are registered with the CIPHE. Our efficient office staff will send the correct operative or team to complete your work. Our friendly team are waiting to meet you!

S Fagan Gas Services has been established and installing boilers and central heating systems since 2012. S Fagan has been trained in installation and maintenance of all domestic heating systems and provide a friendly and honest service.

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Reviewed by Richard on 30/12/2024

Fast and friendly service. Identified the problem immediately. Will use again!

Optimus Heating & Plumbing offer heating and plumbing services in Surrey, Sussex, Hampshire, and Kent. We specialise in heating system design, installation, servicing and repair and are experts in low carbon heating systems such as air source heat pumps. No job is too big or small. Our vision is to become your go to plumber and heating engineer.

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Reviewed by Chris on 11/5/2023

H3 Heating and Plumbing are a well established company in London and all surrounding areas. Offering a complete heating and plumbing service as well as a wider range of services including household improvements and repairs as well as maintenance work. Our specialist services include: -Installing piping and heating systems and features -Emergency call-outs -Boiler breakdowns -Servicing of boilers -Installations of boilers

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