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How much does it cost to install a boiler in the UK?

When budgeting for your replacement combi boiler, here’s a general range of prices to give you a good idea of just how much you’ll need to save up.

On your quote Range of prices
The cost of your boiler £625-£6,190
Boiler installation cost £630-£780
Cost of moving pipes £190-£310
Mechanical flush before installation £440-£535
TOTAL £1,885-£7,815

Full break down of combi boiler prices

What are the different types of boilers?

There are two main types of boiler – conventional boilers and combination (or combi) boilers. They work differently, so it is useful to compare functionality and boiler costs.

Unlike conventional boilers, combi boilers don’t need a hot water tank. Combi boilers heat the water directly from the mains, so you’ll benefit from an unlimited supply of hot water. This also means it’s much easier and quicker to heat your home rather than waiting for a hot water tank to fill up.

Combi boilers are also much more compact than traditional boilers. Most homes have them fitted in their kitchens neatly stored away behind a storage cabinet door.

How does a combi boiler work?
woman looking closely at a boiler
combi boiler control panel

Conventional vs combi boiler | What are the advantages of combi boilers?

Combi boilers Conventional boilers
Features
Unlimited hot water ✔️
Low maintenance ✔️
Compact size ✔️
Easy to install ✔️
Immersion back up ✔️
Doesn’t rely on mains pressure ✔️
Can add shower pumps ✔️
Lifespan 10-15 years 10-15 years
3 ways to spot that your boiler needs replacing

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    Is it worth replacing an old boiler? | What are the benefits?

    • Heightened sense of comfort & warmth all year round
    • Precise temperature control
    • Notable energy bill reductions
    • Quieter operation
    • Fewer pressure issues
    • Improved energy ratings increase kerb appeal
    • New boilers save space in comparison to older models
    • Reduces your carbon footprint
    • Cleaner water supply
    • Essential peace of mind
    6 common myths about boiler replacing busted
    boiler being replaced

    How do I work out what size boiler I need?

    An undersized boiler will struggle to meet your home’s heating demands, so you need to get it right the first time around. The general rule of thumb is combi boilers are best suited for lower usage homes and conventional boilers are best for higher water demands. You can also get a rough idea by counting your radiators; the more you have, the more power your new boiler will need. Here is a rough guide for power outputs required for a combi boiler:

    Power output Number of radiators
    24–27 kW Up to 10
    28–34 kW 10 – 15
    32–40 kW 15-20
    12–15 kW Up to 10
    18–24 kW 10 – 15
    30–40 kW 15-20

    If your replacement combi boiler is going into the same place in your home where it is now, your installer will probably recommend a boiler that is exactly the same size or very close in size. If you’re moving the boiler to a new location in your property, be sure to tell the installer where you want it to go so that they can recommend a boiler that fits comfortably into the place you have in mind.

    What are the differences between the main boiler brands?

    What is involved with replacing a boiler?

    • Find an installer
    • Get a quote
    • Remove the old boiler
    • System flush/clean prior to installation (British Standards best practice)
    • Pipework changes/upgrades
    • Fit the new boiler
    • System filter recommendation (British Standards best practice)
    • Installer tests the new system
    • Handover e.g. how to operate it & basic maintenance checks that can be done to prolong its life
    • Validate guarantee by registering the boiler with the manufacturer (homeowner or installer)

    Depending on the type of boiler you’ve chosen and the complexity of the job, boiler installation can take between 1-3 days.

    Your questions answered

    Who can install a boiler in the UK?

    In the UK, any work on a gas boiler must be carried out by a Gas Safe registered engineer. Any gas boiler work completed by an unregistered installer may face prosecution.

    You can find a Gas Safe Engineer at www.gassaferegister.co.uk/find-an-engineer

    Is it cheaper to buy a boiler in summer?

    August is the cheapest time of year to replace a boiler, as the costs for off-peak boiler installations are much less than in winter when demand is high. So, it really pays to replace your boiler in the summer months.

    Boiler Repair & Service Cost

    Does a combi boiler need a timer?

    With a conventional boiler, a timer allows you to control when the heating and hot water comes on and when it goes off. A combi boiler only heats up water when you turn on a hot tap, so you don’t need to programme it.

    Can I get a boiler on finance?

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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 info@Leads2Trade.co.uk  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:

    • Our Website Visitors
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    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.

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    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.

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    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:

    • To be informed about the collection and use of your personal data.
    • To access your personal data via a Data Subject Access Request (DSAR)
    • To have inaccurate personal data corrected or completed
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    • To object at any time to direct marketing
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    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 info@Leads2Trade.co.uk. 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 info@Leads2Trade.co.uk.

    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