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Gas Boiler Installation in the South East

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Have a question about gas boiler installation or ready to book in your boiler estimate appointment?

New and replacement gas boilers for a warm and happy home

Buying a new gas boiler is a purchase you make only every 10 to 15 years, so professional installation by an experienced Gas Safe registered engineer is just as important as the boiler you choose for your home. Whether you’re looking to replace an older boiler or add a new boiler to your property, we’re here to help along every step of the way.

At NCS, we’ll work with you to find the best conventional, combi or system boiler model for your needs, committed to saving you money on your energy bills and maximising your home’s comfort and efficiency. Our award-winning Gas Safe specialists provide hassle and mess-free installation, with work completed to exceptional standards and in full compliance with regulations.

Why choose NCS for a new gas boiler?

We install a wide range of quality high efficiency products from established brand names such as Worcester, Vaillant, Potterton, Baxi, and Ideal. Offering the highest level of customer service and satisfaction, as Worcester Bosch Diamond Installers we can offer extended warranties of up to 12 years.

During the installation process, we offer the latest Power Flushing technology to keep your heating system clean and efficient, with Magna filters and inline scale reducers installed to maximise your system’s lifespan. Prices vary dependent on boiler choice, system design and budget.

Get an instant boiler quote

We can give you an instant estimate as to how much a new boiler would cost. This is a free, online, no-obligation estimate that will give you an indicative price for a boiler we’d recommend is best suited to your home.

What type of gas boiler is right for me?

There are three main types of gas boiler: conventional, combi and system boilers. Since 2005, every newly fitted gas boiler regardless of type must be a condensing boiler with an efficiency rating of “A”, designed to heat up your home and water as efficiently as possible. But which type is right for you and your family?

Choosing the right boiler for your home can be confusing, with many factors to consider from the size and type of the property to the number of bathrooms, number of users, the area’s water pressure, and your available space. But that’s where we come in. Use our online tool to get a free quote for your specific requirements, and we’ll be in touch with expert advice and support on finding a boiler that will work for your property and needs.

Conventional Gas Boiler

Conventional or regular gas boilers have three main components - the boiler, a separate hot water cylinder and a cold water storage tank typically installed into your loft. Able to produce large amounts of hot water for multiple bathrooms at the same time, conventional boilers are perfect for larger families with enough loft space for the tank. Conventional boilers may be more suitable than system boilers if you live in an area with low water pressure or have older heating systems.

These boilers don't provide instant hot water on demand and take time to heat up, so you'll need to warm it in advance or set a timed programme so you have hot water when you need it.

Combi Gas Boiler

Combination or combi boilers heat water directly from the mains when it's required, without a hot water cylinder or cold water tank in your loft. Providing instant hot water for one water outlet at a time, combi boiler systems are generally more suitable for smaller households, flats and bungalows where space is at a premium and there are a smaller number of users with modest heating and hot water demands.

Some of the latest combination boilers can suit larger households, but they can be less efficient than a system boiler or provide a smaller amount of hot water when multiple showers, radiators or taps are used at the same time.

System Gas Boiler

System boilers are connected directly from the mains and store hot water for later use in a separate cylinder without the need for a cold water tank. This allows for multiple water outlets to be used at the same time without a reduction in pressure, making them a great choice for homes with large demands for heating and hot water. For these homes, system boilers can help you save on running costs and installation, whilst improving your energy efficiency if insulated correctly.

The amount of hot water you have is limited to the capacity of your cylinder, and when this runs out you will have to wait for the tank to heat back up.

Could you be eligible for a free or subsidised boiler?

Under the Governments ECO Scheme in 2019, qualifying home owners could have their old inefficient boilers replaced either heavily subsidised or completely free of charge.If you qualify, we can arrange everything from survey to completing the installation of your new boiler. See if you could qualify using our simple application form.

Up to two years interest-free finance

Flexible finance options to suit you

When your old boiler needs to be replaced, the cost of a new one can seem daunting. As Worcester Diamond Accredited Installers, we help thousands of homeowners each year through a range of flexible finance options via Hitachi Finance on any Worcester installation. Learn more about our selection of finance options to find a plan that suits your budget and spread the cost of your new boiler and installation into small monthly payments.

Up to 2 Years Interest-Free

Split the cost of your high-spec boiler into 24 small monthly payments completely interest-free.

Buy Now, Pay Later

Delay paying a penny on your boiler for up to 12 months with our interest-free BNPL scheme.

Up to 10 Years 9.9% APR

Spread the cost of your new boiler over repayments up to 120 months (10 years) with no-deposit options.