Replacing your combi or conventional boiler

If you've had your boiler for over 10 years, you're probably about due for a change. If you've had it for over 15 years - count yourself lucky it's still working! You may or may not get reliability issues as your boiler ages. But either way, the boiler you have now is probably an inefficient water heater by today's standards.

Energy efficient modern combi boilers

Replacing it with a new high efficiency boiler could save you as much as 30p in every £1 on gas consumption. That's a pretty significant cash saving in the long run. If you have a conventional boiler system with a hot water cylinder, you can save a cupboard full of space by swapping to a combination boiler as you won't need a cylinder. And space costs money in London!

Which boiler to choose?

Choosing which new boiler to install can seem complicated and confusing. There are a number of factors to consider. Your budget. Your lifestyle. Is it a rental property? The size of the property. How many bathrooms you have. Even how many occupants are in it. It's important to get it right. If your boiler is oversized, you'll waste gas and increase your fuel costs. If it's undersized, you may find that you can't get enough heat or hot water. Our heating engineers will work out the best sized boiler for your situation when preparing your quote.

So what does it all mean? What are you offering?

* �250 trade-in discount: Available when you trade in your old boiler and have a new energy efficient boiler or central heating system installation. One discount per household. Offer subject to change and may be withdrawn or amended at any time. Cannot be used in conjunction with any other sales offer. Only applies to properties in mainland Great Britain (not Northern Ireland) and you must be the owner of the property where the boiler or central heating system is to be installed.

* �400 trade-in discount: Available when you trade in your old boiler and have a new Vaillant energy efficient boiler or central heating system installation. One discount per household. Offer subject to change and may be withdrawn or amended at any time. Cannot be used in conjunction with any other sales offer. Only applies to properties in mainland Great Britain (not Northern Ireland) and you must be the owner of the property where the boiler or central heating system is to be installed.

* Prices shown are after the £400 or £200 boiler trade discount and based on on an exact like for like swap, assuming no extra work (e.g. running extra piping or re-siting the boiler) is required - in the event that extra work is required we'll tell you this up front on your free quote. All prices on this page exclude VAT.

** We can only guarantee cheaper pricing against an indentical like for like written quotation

*** Terms and conditions apply. But as you know by now, Multi-trade is all about ease and transparency. So, without having to wade through small print here is what you will need to do to ensure that you keep the warranty:

• A power flush and magnetic filter must be installed with your new boiler. This is to ensure that your new boiler is not damaged by residue from your water supply or central heating.
• A boiler service must be performed by Multi-trade each year - this ensures that your boiler is working as it should.
• Keep your Benchmark service book in a safe place. It's a record of the service history of your boiler.

That's really it from your perspective. We'll fill in the Benchmark logbook every time we service it. We'll also keep a copy of the service notes on our database. As a Multi-trade customer, you will always have access to this through the portal. This is automatically set-up for you when you become a customer and a login in and password will be emailed to you. And finally, we'll remind you every year when your boiler needs servicing.

Multi-trade and Benchmark

Benchmark is a nationally recognised scheme that places the responsibilities on both manufacturers and installers to ensure best practice in installation, commissioning and servicing of domestic heating and hot water products in line with Building Regulations in England and Wales.

It is managed and promoted by the Heating and Hot Water Industry Council (HHIC). Benchmark requires that installers complete a Benchmark checklist when commissioning a new heating appliance installation. Multi-trade has committed itself to the Benchmark scheme and all new boilers and central heating systems are installed to strict compliance with these regulations.

Multi-trade has it's own Benchmark commissioning checklist which is issued to all Multi-trade Gas engineers and completed with each and every new boiler or gas central heating installation.

Gas and heating services

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Our bespoke Customer Management System allows us to track every aspect of your job to ensure that we deliver first class service to you every time, and our customer Self Service portal allows you to manage every aspect of your account.

When you become a Multi-trade customer you automatically get access to your own Self Serve account. It allows you to pay invoices, store documents - such as gas safety certificates and boiler logs and will even provide reminders when important dates are coming up with regard to your property maintenance.

And as far as we know you won't get that as part of the service anywhere else!

Our Refer & Reward scheme gives you points every time you recommend someone who orders from us. You can either put your points towards your next Multi-trade job or save them for a cash reward once you've collected enough.

With cash rewards and money off your next bill, now there are even more reasons to recommend us! Explore more >