Boiler 22 April 2026

New Boiler Cost UK 2026: Complete Price Guide for Homeowners

Investing in a new boiler is one of the most important decisions homeowners make. Whether your current boiler has finally given up the ghost or you’re looking to upgrade to a more efficient model, understanding the costs involved is essential for budgeting. You will find plenty of websites willing to give you a number. We would rather give you something more useful: an honest account of what actually drives the price of a boiler installation, so that when you do get quotes you can tell a good one from a bad one. Every new boiler we install is quoted free, in writing, at a fixed price — after we have seen the property, not before.

How Boiler Type Affects What You Pay

The cost of a new boiler varies significantly depending on the type of system you choose. Rather than quote you a figure that has nothing to do with your house, here is what actually moves the price:

Combi boilers are the cheapest of the three to install in a like-for-like swap. These compact, wall-mounted units are the most popular choice for UK homeowners, particularly those with smaller properties or limited space. They provide both heating and hot water from a single unit, so there is no separate hot water cylinder or cold tank to buy, plumb in or find space for.

System boilers cost more, because they need a separate cylinder for hot water storage and the pipework to serve it. They work well in homes with high hot water demand or multiple bathrooms, where you want good flow at more than one tap at once. The size of cylinder your household needs is one of the bigger swings in the price.

Regular boilers (heat only) need both a hot water cylinder and a cold water tank in the loft, which makes them the most involved to install from scratch. They are less popular today, but they are still found in many older homes and can be reliable workhorses — and where one is being replaced like for like, the job is often straightforward.

What Goes Into the Installation Price

The boiler unit itself is only part of the total. A quote from us covers all of the following, and we itemise it so you can see where the money goes:

Labour. A standard boiler installation typically takes one to two days. For installation work we quote a fixed price up front rather than charging by the hour, so a job that runs long is our problem, not yours.

Parts and materials. This may include new copper pipework, fittings, a new thermostat, a carbon monoxide detector and any additional components needed for your specific installation. We agree every material with you before we fit or order it — nothing appears on the invoice that you have not already approved.

Removal and disposal of the old boiler. Safe disposal is essential, and it is included in our quote as standard. If you are comparing quotes from elsewhere, it is worth checking whether theirs includes it.

The condition of what we are connecting to. This is the factor people underestimate most. A heavily sludged system may need a power flush; old microbore pipework may not deliver enough flow for the boiler you want; a boiler moving to a new position needs a new flue run and new pipework. None of this is visible over the phone, which is why we survey first.

Factors That Affect Boiler Price

Several variables impact the final cost of your boiler installation:

House Size and Type: Larger homes with multiple bathrooms and radiators may benefit from a system boiler or powerful combi, which typically costs more upfront but delivers better performance.

Boiler Type: As mentioned, combi boilers are usually cheaper than system boilers, which are more affordable than regular boilers.

Installation Complexity: If your home requires new pipework, significant modifications, or has difficult access to the boiler location, labour costs rise. A simple like-for-like replacement on an existing system is much cheaper than a complete conversion.

Brand Choice: Premium brands command higher prices, and the gap between a budget unit and a premium one is a meaningful part of any quote. We will show you the difference on your own quote so you can decide.

Warranty: A longer manufacturer warranty adds to the up-front cost but is worth weighing against the protection it buys, particularly on a boiler you intend to keep for a decade or more.

Popular Boiler Brands We Install

Worcester Bosch. Premium UK-German manufacturer known for reliability. Combi models like the Greenstar 4000 are industry favourites, and extended warranties commonly run to 10 years.

Vaillant. German engineering with excellent efficiency ratings. Their ecoTEC models are highly rated and warranty support is comprehensive.

Ideal. British manufacturer offering good value. The Vogue and Logic series are popular in UK homes, and are reliable with solid customer support.

Baxi. A more budget-friendly option without sacrificing quality, with good efficiency and reasonable warranty terms.

Viessmann. A growing presence in the UK market, with strong ratings on their renewable-ready models.

Where a brand sits on price depends on the specific model and output you need, so we will price the options side by side on your quote rather than ask you to guess from a list.

Repair vs Replace: When Should You Upgrade?

Not every breakdown means you need a new boiler. Consider these factors:

Age of Your Boiler: If your boiler is over 15 years old and needs a significant repair, replacement is usually the more sensible option. Older boilers are less efficient, they consume more fuel, and parts get harder to source as manufacturers discontinue them.

Cost of Repair: When a quoted repair starts to look like a meaningful fraction of a new boiler, replacement is worth considering. A new boiler comes with a manufacturer’s warranty; a repaired old boiler doesn’t.

Energy Efficiency: A modern condensing boiler is considerably more efficient than the non-condensing units it replaces, and if your fuel bills are climbing, some of that difference comes back to you each winter. How much depends on your house, your habits and what you are replacing — we will talk you through the realistic picture for your property rather than promise you a number.

Repeated Breakdowns: If we have been out to the same boiler more than once in a season, we will tell you honestly when we think you are throwing good money after bad. We would rather say so than keep charging you for repairs.

Government Grants and Schemes

The UK government offers several schemes to help with boiler costs:

Boiler Upgrade Scheme (BUS): This scheme puts a grant towards a heat pump or biomass boiler installation. Traditional gas boiler replacements are not eligible. The grant amount has changed since the scheme launched, so check the current figure on Gov.uk rather than relying on any figure quoted on a website.

ECO4 (Energy Company Obligation): This scheme requires energy suppliers to help low-income households improve energy efficiency. Eligible homeowners may receive partial funding for boiler replacement. Check with your energy supplier for eligibility.

Local Authority Schemes: Some councils offer grants for heating upgrades. Contact your local council to ask what is available in your area.

Because these schemes and their values change, we will not quote you a grant figure. Check Gov.uk for the current position before you budget.

How to Get the Best Deal

Get Multiple Quotes: Always obtain several quotes from Gas Safe registered engineers, and make sure you are comparing like with like — that each quote covers the same boiler, the same warranty, and the same amount of pipework and disposal.

Check Gas Safe Credentials: Verify any engineer is registered on the Gas Safe Register before work begins. This is legally required. Ours is 951167, and you are welcome to check it.

Insist on It in Writing: A verbal figure is not a quote. Ours are written, fixed and free, and they say exactly what is and is not included.

Ask About Warranties: Longer warranties protect your investment, and some manufacturers offer extended cover if the boiler is fitted by a registered installer.

Plan Ahead Where You Can: Booking a replacement before your boiler fails completely gives you time to compare quotes properly, rather than making a rushed decision in the middle of a cold snap without heating or hot water.

Bundle Services: If you need other heating work at the same time — radiator replacement, pipe repairs, new controls — ask for it to be included in the same quote. Doing it in one visit is usually cheaper than two.

Why Choose Plumbing Angels for Your Boiler Installation?

At Plumbing Angels, we understand that investing in a new boiler is a significant decision. We’re Gas Safe registered engineers with over two decades of experience installing, servicing, and repairing boilers across Tunbridge Wells and Kent. We provide transparent, competitive quotes with no hidden charges, use only quality components, and back our work with comprehensive warranties. Our team will help you choose the right boiler for your home, budget, and long-term needs.

Get Your Free Boiler Quote Today

Don’t delay if your boiler is on its way out. Boiler breakdowns often occur at the worst possible times, leaving you without heating and hot water. Contact Plumbing Angels today for a free, no-obligation quote.

Phone: 01732 792 454

Website: plumbingangels.co.uk

Gas Safe Registered • Fully Insured • Emergency Call-Out Available

Let the team at Plumbing Angels ensure your home stays warm and comfortable all year round.