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UK Boiler Quotes

A new energy efficient boiler could reduce your fuel bill by over £300 per annum. Across the UK homeowners are normally installing combi boilers that are fueled by gas. As well as being more cost effective, new replacement boilers are going to be more reliable than those that have been in people’s homes for the past twenty or thirty years so are less likely to break down when least expected. Combi boiler prices do vary from area to area and that is why it is always good to get multiple quotes. The installation should always be carried out by a gas safe registered installer. When people are getting quotes for a boilers it is important not to assume that all plumbers are Gas Safe Registered.

Best gas boilers

There are a number of factors that need to be taken into account when deciding which is going to be the most suitable boiler such as the size of your property and how many people live in it.

Types of gas boiler

The three main types of boiler used in the UK are system boilers, conventional/heat only/traditional boilers and combination (combi) boilers.

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System boiler

most of the hot water and heating system components are contained in the boiler, a cylinder for keeping the hot water is needed but no cold water tank is needed in the loft.

Benefits of System Boiler:

  • Permanent supply of hot water to all taps in the home all the time and perfect for properties with two or more bathrooms.

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Conventional/heat only/traditional boiler

suitable for homes that presently have a conventional hot water and heating system linked to a hot water cylinder. Tanks are required in the loft for cold water that feeds the hot water cylinder and to maintain the central heating system’s water level.

Benefits of Conventional Boiler:

  • The provision of hot water to all taps at the same time making it ideal for properties with more than one bathroom. It is also an option when water pressure is low.

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Hand turning down white thermostat

Combination/combi boiler

provides hot water for both the central heating and the taps. When a tap is turned on, the water is heated straight from the mains so there is no need to store hot or cold water in a cylinder or tank.

Benefits of Combi Boiler:

  • Combi boilers being suitable for a small property due to the boiler being compact and cost effective.

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Type of boiler Price range
Gas combi £499 to £825
Gas system £512 to £910
Gas conventional £492 to £3,600
Oil Combi £2,057 to £3,191
Oil system £1,335 to £2,407
Oil conventional £1,107 to £3,770

Boiler prices and installation costs

The price of a boiler depends upon the type and size of the boiler. Below is an indication of the typical price range of a boiler:-

Boiler Installation costs:

There are a number of factors that impact upon the cost of installing a boiler but as a guide you may be talking in the region of £500 to £3,000 but it could be more.

We can arrange for you to receive a number of competitive quotations for the purchase and installation of a boiler from a number of our experienced, reliable suppliers and/or fitters who are on our extensive, nationwide panel.

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What you should think about before buying a new boiler?

Although buying a new boiler is never going to be as exciting as buying a new car or booking the next family holiday it is such an important decision for your home that needs careful consideration.

This list is not exhaustive but they are certainly some important factors to consider.

1. Get the opinion of a Gas Safe registered engineer and friends and family

Before deciding which brand of boiler and which type of boiler to purchase arrange for a number of Gas Safe registered boiler installers to visit your home and provide quotes. They will have the experience and be able to provide you with a number of different options. Finding out from friends and family what type of boiler they have and how happy they are with it can be invaluable. Likewise, if they could recommend a Gas Safe registered installer who they were happy with it could be very reassuring.


2. Choosing a reliable boiler with a well-known brand name

The more reliable your boiler the less you are going to have to spend on it in the long term getting it repaired. It would be a good thing to speak to friends and family who have had a new boiler installed in the last few years and see how reliable their boiler has been and what the boiler brand is. The cheapest boiler isn’t always going to be the best in the long term if it proves to be unreliable or is more expensive to have repaired. Find out more here on the differences between boiler brands.

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Someone fixing a broken boiler
Gold pipe from inside a boiler

3. Select the right type of boiler for your property


Most homes in the UK are on mains gas. If you are on mains gas there are three types of boiler for you to consider.

Combi boiler

Over 50% of new boilers installed in the UK are combi boilers or combination boilers that they are more formally known as. A combi boiler is called ‘combi’ as it does a combination of heating the water and providing the central heating for your home. Alongside providing two solutions in one a combi boiler also does not need a separate hot water cylinder which saves space in your property. Take a read of our blog to find out how a combi boiler works.

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Conventional boiler

Conventional boilers are primarily found in older or larger properties. They are also known as regular or heat only boilers. To have a conventional boiler you will need a hot water cylinder and a cold water tank in the property so you do need to have the extra space. Conventional boilers do work well in properties with a high demand for hot water.

Systems boiler

Systems boilers are generally viewed as an alternative to a conventional boiler where the property does need a stored water cylinder. The main advantage of a system boiler over a conventional boiler is that they require less space.

To decide between the combi boiler, conventional boiler or systems boiler it is best to seek the advice of Gas Safe registered installers.

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Silver boiler

4. How energy efficient is the boiler?

The boiler accounts for 60% of what you spend each year on energy bills according to the Energy Savings Trust so the more energy efficient a boiler is the more it can save on the energy bills. Coupled with this there is new legislation from 6th April, 2018 meaning that all new gas boilers installed from that date must meet a minimum performance standard of 92% ErP. The Government’s aim is to give people greater control over the use of energy in their homes. This standard makes it a requirement to have times and room thermostats. It is also necessary to have an additional energy efficiency measure. They can be one of the below.

  • Flue gas heat recovery systems
  • Weather compensation
  • Load compensation
  • Smart controls featuring automation and optimisation functions

The potential savings and the new legislative requirement make it very important to shop around for the right boiler brand that is installed by the right Gas Safe registered installer.

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Your questions answered

How Much Does a Combi Boiler Cost in 2021 by Manufacturer?

There are a few leading boiler manufacturers which supply to installers across the UK. In this article, we will be looking at

Worcester Bosch boiler prices range between £770 and £2,030 before installation but including VAT.

Vaillant boiler prices range between £870 and £1,310 before installation but including VAT

Atag boiler prices range between £2,050 and £2,450 before installation but including VAT.

Viessmann boiler prices range between £840 and £1,220 before installation but including VAT.

Baxi boiler prices range between £720 and £1,150 before installation but including VAT.

Glow-worm boiler prices range between £610 and £1,790 before installation but including VAT.

Ideal boiler prices range between £660 and £1,340 before installation but including VAT.

Potterton boiler prices range between £650 and £1,000 before installation but including VAT.

What is a professional boiler installer likely to recommend to you?

If you in a flat or a smaller home, most professional installers will recommend that a boiler whose output is between twenty-four and twenty-seven kilowatts. Boilers generating this power can cost between £480 and £1,400.

If you live in a larger property, ask your installer to fit a twenty-eight to thirty-four-kilowatt boiler instead. If you have three to four bedrooms, this is most likely to best choice for you. If you choose one of these boilers, you can expect to pay between £509 and, at the very top end of the range, £2,740.

If you live in a large home, it is always best to get advice. A professional installer should tell you that a boiler generating thirty-five kilowatts or above is the most suitable and economical solution for you. The most powerful boilers range from around £750 to £1,990.

Should I replace my boiler?

If you have owned your boiler for more than 15 years, it is advisable to replace it. Also, if it breaks down or is in need of serious repairs, you will want to consider replacing your boiler.

Which boiler is best for a small home?

For smaller homes with only one bathroom, combi boilers are the most appropriate choice.

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Privacy Notice

Leads2Trade Limited and our associated consumer brands (Trading as [Compare Companies/Double Glazing on the web/ Conservatory Online Prices/ Leads2Trade]) of A18, The Embankment Business Park, Vale Road, Heaton, Mersey, Stockport, Cheshire, SK4 3GN Company No 05987279 have created this Privacy Notice to help you understand what personal data we process and how we use it in our business dealings with you. We are registered with the ICO (Registration No: Z9692711).

If you have any questions about this Privacy Statement, you can contact us by email at  For the purposes of Data Protection legislation in the UK, we are a Data Controller. Our website is not intended, and we do not knowingly collect data relating to children.

This Privacy Notice is intended for:

How do we process your personal data?

So that we can provide a service to you need to process some of your personal data.  We make sure that we only collect what we need and have outlined below the various ways in which we process your personal data:

When you visit our website: We use cookies on our website which collect various types of personal data. This will include details about your visits to our website; page views, downloads, navigation and exit; IP address; geographical location; browser type and version; operating system; referral source; length of your visit.

Some of these cookies are necessary to ensure that the website works correctly, and other cookies require your consent.  You can find out more about our cookies and how you can manage your consent in our cookie policy here.

Our website may contain links to other external websites.  We aren’t responsible for the practices, policies or content of such websites and suggest that you check their privacy policies to ensure that you are happy to continue browsing.

When you become one of our consumer customers: We will process your name and contact details (phone number, email and postal address) so that we can fulfil our contract to you by providing you with the home improvement quotes you have requested, to answer any enquiries you may have and to monitor how the suppliers we work with are performing.

For certain home improvement enquiries where we are unable to reach you by telephone we will send you an email to introduce you to a potential company who can help you with the specific product that you are looking to receive quotes for. We currently work with one company (WarmZilla Ltd) for Boiler enquiries, one company (Safestyle UK plc) for double glazing enquiries and one company (Verisure Services UK Ltd) for Alarm enquiries.

We will call you to check that we have the correct information and learn about how we can connect you with the best quotes in your geographical area. We may send you an SMS message if your enquiry is received outside our operational hours or to provide an update on the progress of your enquiry. An SMS opt will be provided after failure to connect via phone.

Our phone calls are recorded for training purposes however, if you are uncomfortable with this, we will not proceed with the call and delete the recording.  We also use aggregated and anonymised data to keep records for our own business use.

When you become one of our business customers: We will process your name and business contact details (phone number, email and postal address) so that we register you and put you in touch with our consumer customers who have requested home improvements quotes from you.  Our contract is with your business however we will process the personal data of our business customers under our legitimate interest.  We have done a balancing test to ensure that we are processing your personal data fairly and respectfully.

When you send us an enquiry: You may have sent us an enquiry via the contact page on our website.  We will collect your name and contact details as it is in our legitimate interest to do so that we can enter into correspondence with you and answer your enquiry.

How long do we keep your personal data?

If you have consented to non-essential cookies:  You can find out more about our cookies and update your preference on our Cookies Consent Management Platform.

If you are a consumer customer of ours: we will keep your personal data for as long as we have business dealings with you and then for a further 12 months.  This is because the quotes that you obtain are valid for up to a period of 12 months and it is important for us to be able to assist with any enquiries you have during that time.

If you have consented to receive email marketing from us, we will keep your personal data until you unsubscribe. If you choose not to engage with our email marketing messages for a period of 12 months, we will not email you again and put your personal data on a suppression list.

If you are a business customer of ours: we will keep your personal data for as long as we have a contract with you and then for a further 7 years in accordance with HMRC guidelines.

How do we use your personal data to communicate with you?

Non-Marketing Communications include: service messages regarding quotes or appointments from our third party services to enquiries and other communications to ensure that we deliver the services you expect from us.

If you are one of business customers, you will receive emails regarding your registration, services messages and invoices.  You will have access to our members area dashboard portal where you can find more information about your account details with us.

Marketing Communications include: Emails regarding other services we offer as well as content marketing we hope you will find useful. If you are one of our consumer customers, you will only receive email marketing from us if you have given us your consent. We do send out unsolicited email marketing messages to our business customers when we feel we have a legitimate interest to do so. You are welcome to unsubscribe from marketing messages at any time.

If you have consented to marketing cookies such as Facebook Pixels you may be served Facebook Ads regarding our services.  You can change your cookies consent at any time by visiting our Cookie Consent Management Platform.  You may also wish to change your Facebook settings if you don’t want to see targeted advertising.

Social Media: We use Facebook, and Linkedin (for business purposes). We sometimes use paid advertising on these platforms, but we will only use custom audiences with your consent.  You can find a copy of this Privacy Notice on our Facebook page in the ‘About’ section.

Social Plugins: We use social plugins on our website pages which allow you to share products with your friends and families.  These buttons are deactivated by default and only activated once you click on them.  When you click on these buttons your personal data will be transferred to the plugin provider.  This will include IP addresses which are then used to serve you relevant ads.

Who has access to your personal data?

We share your personal data with various organisations so we can fulfil our contract with you to help us run our business and to fulfil our legal obligations.

These include: Marketing Agencies, Accountants, Webhosts, IT and CRM Agencies. We also use Microsoft, DropBox, and Infonotes to ensure that we run our business efficiently.

If you are one of our consumer customers: we will share your details with the suppliers in your geographical area who are able to give you a quote for the work, you require.  Our suppliers are registered with us and we ensure that they are reputable and certified where appropriate.  We will discuss this with you in our phone call so that you are aware of what is happening every step of the way.

We ensure that our systems are robust, and we will only share your data with organisations who have appropriate safeguarding mechanisms in place such as Standard Contractual Clauses.  We have Data Processing Agreements with our Data Processors and never sell personal data to third parties unless we have your agreement to do so.

If Leads 2 Trade is sold or transfers its assets to another party, your personal data could be one of the transferred assets.  If your personal data is transferred it will remain subject to this Privacy Notice.  Your personal data will be passed onto a successor in the event of a liquidation or administration.

What are your rights?

You have several rights which you can access free of charge.  In certain circumstances we reserve the right to charge a reasonable fee if your requests are unfounded or excessive.

You have the right:

We don’t use any automated decision making.

For more information about these rights and when you can request them, please visit the Information Commissioners Guide to Data Subject Rights

If you wish to exercise any of these rights, please contact us by email at We will respond to you within one month.  If your request is complex and we require more time, we will contact you and let you know within the first month.

How can you submit a query or a complaint?

We are always happy to answer your queries regarding privacy.  Please contact us by email at 0800 124 4308

If you have a complaint, please get in touch with us so that we can resolve any concerns.  You also have a right to lodge a complaint with the Information Commissioner’s Office if you believe your personal data has been processed in a way which does not comply with Data Protection Legislation.  You can call the ICO helpline on 0303 123 1113 or visit their website here.

Changes to this Privacy Notice

We keep this Privacy Notice under regular review.  The most recent update is 4th April 2022