How much does it cost to install central heating?

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I need to know how much I need to pay for installation of a new central heating system, please, any comments? Cheers

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The most important question is whether you are looking to install a brand new central heating system, in a home that has never had it before or if you are replacing the existing setup. Most homes (in the UK at least) have central heating installed, but occasionally you will find an older home that does not have it, or this can also be a consideration if you are planning on renovating, converting, or building your own property.

In these situations, there is a lot to consider and the overall expense increases due to the number of different things that need to be purchased, but equally importantly installed, which normally involves a professional central heating engineer at the very least.

Alternatively, perhaps you already have a central heating system and are just looking to replace one part of it, such as the boiler. In these instances, if all the pipework and other items are already in place then the cost is dramatically reduced. In addition to this, perhaps you are looking to upgrade your system to a more modern style of heating. Again, some items will need to be replaced, whilst other items can be retained from the existing system. All these different aspects can influence the cost of the central heating system.

Some of the main factors that influence the cost of a central heating system are broken down as follows. Determining which ones apply to your own situation can help guide you in the process of replacing or installing central heating.

One of the most expensive parts of a central heating system is getting it installed in the first place. Those that are handy at DIY may be able to install radiators and pipework easily enough, but the central heating boiler system must be installed by a certified professional. In some cases, in the UK it is also worth checking whether planning permission is required (listing buildings, for example) and if it does then this is another added expense. Replacing a boiler with a similar system will require a lot less installation costs when compared to having to change the type, or worst case relocate it within a building since this normally requires quite a bit of fettling and alteration of pipes and fittings.

The cost to install a Regular (heat only) boiler
Regular boilers are ‘heat only’ boilers. Very simply, the boiler will provide the heating and a cylinder will provide hot water.

The two scenarios below show rough costs for 1) replacing a regular boiler in its existing location and 2) a rough cost for installing a new regular boiler in a new location. The cost of a mid-range heat only boiler in this scenario is about £750.

The cost for moving the boiler will vary according to whether it will be in the same room or moved to another room. In both cases, we have assumed the cylinder and all other existing equipment are left in place.

Cost to install a Combi boiler
Combination boilers provide heating and hot water via the boiler (there is no cylinder). There are two main scenarios for combination boilers: A) The new combi boiler is replacing an existing combi boiler or B) the new combi boiler is replacing a regular boiler and hot water cylinder. The cost of a mid range heat only boiler in this scenario is around £900.

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