Cost to Replace or Install Radiator

Welcome to Quotation Check – The UK’s leading guide to home improvement costs. This page is part of our series into quotes and prices from plumbers and gas engineers. How much does it cost to either replace a radiator like-for-like or install an additional one? Can the existing boiler cope with extra radiators?

Our cost examples below are for regular gas central heating type radiators; they do not cover electric storage heaters.

Are Our Figures Reliable?

We contacted plumbers from various locations in the UK and asked them to provide us with quotes for different jobs.

The figures displayed in the tables below are an average of those prices.

You can find more information about how we gathered our quotes on this page.

Our team here at Quotation Check has been collecting prices from traders and companies since 2014. The service has proved to be very popular and has been featured in several publications, both on and offline.

When Was This Page Last Updated?

We know that old prices can be frustrating, that is why we intend to update our price list at least every two years.

We last updated this page on the .

Example Cost 1 – Drop a Radiator (perhaps for redecorating/wall tiling work)

Wall radiator

Radiators are usually lowered/removed when you want to tile the wall behind the radiator, repair the plaster or hang wallpaper.

The work shouldn’t take too long, but a plumber can test the radiator afterwards and carry out any minor repairs needed, such as new valves or welding that may be required.

As a general rule of thumb, the older the radiator, the more likely it will leak after being disturbed.

Several of our plumbers indicated that they would charge two call-out fees as a minimum charge, one to drop the radiator and another to come back and put in place.

LocationSmall Business /TraderLarge Business
Need a Custom Price? >Compare Up To 3 Personlised Quotes Here
London Area£125.00£150.00
South, SW and Midlands£100.00£150.00
Outer Region and North£75.00N/A


 

Example Cost 2 – Replace a Radiator Like-For-Like

This quote assumes your existing rad is faulty or damaged and you just want to replace the unit, like-for-like. The new unit will be the same size, and any additional pipework will be kept to a minimum. You will probably want to have a TRV valve installed (see below for more information).

LocationSmall Business /TraderLarge Business
Need a Custom Price? >Compare Up To 3 Personlised Quotes Here
London Area£325.00£375.00
South, SW and Midlands£200.00£250.00
Outer Region and North£175.00N/A

Example Cost 3 – Install an Additional Radiator

If you find a particular room is too cold then could you install an additional radiator, assuming the existing pipework is accessible. Your plumber may need to take up the carpet/flooring and lift the floorboards. Extra pipework will be needed, but the job probably isn’t as big, scary and costly as most people think. If you are concerned about your existing boiler and whether it can cope with extra radiators then see our advice at the base of the page.

LocationSmall Business /TraderLarge Business
Need a Custom Price? >Compare Up To 3 Personlised Quotes Here
London Area£325.00£375.00
South, SW and Midlands£225.00£250.00
Outer Region and North£175.00£225.00

Example Cost 4 – Cost to Bleed Radiators

Bleeding the radiators is a task that should be done every year or two.  Your central heating system will collect air bubbles or “cold spots” throughout the system, these can prevent the radiators reaching their full heating potential. This means you either turn up the temperature or keep the heating on for longer to compensate – costing you more money.

Bleeding the rads is an easy task but if you feel uncomfortable doing this then contact a plumber.

First turn on the heating and check each radiator for any cold spots which are usually located near the top of the rad. You are more likely to have cold spots on radiators at the highest point of your house.

Turn off the rads to avoid burning yourself, using a radiator key (or for some modern systems a screwdriver) and cloth, simply turn the valve gently until a small amount of water ejects; you may also hear a hissing sound which is the gas/air escaping. Now close/tighten the valve and move onto the next rad.

Now check the water pressure in the system. You may need to “top up” the water in your system using the lever or tap on your boiler.

You can now switch on the central heating and check all the radiators for cold spots and repeat the process for any radiator that is still a bit cold.

If all of this sounds too complicated for you, then this is how much a plumber would charge for this work on a typical 3-bed semi-detached house:

LocationSmall Business /TraderLarge Business
Need a Custom Price? >Compare Up To 3 Personlised Quotes Here
London Area£100.00N/A
South, SW and Midlands£100.00N/A
Outer Region and North£75.00N/A

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TRV Valves

TRV stands for Thermostatic Radiator Valve, and they are installed to radiators so the homeowner can adjust the temperature of each room.

They are great if you want to reduce the temperature of a given room, perhaps an empty bedroom that doesn’t need to be thoroughly heated.

Adding Additional Radiators

Before adding any extra radiators, you will want to check the capacity and flow rate of your current heating system. Most can cope with one or two extra radiators being installed, but your heating engineer/plumber will be able to advise you further.

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One Response to “Cost to Replace or Install Radiator”

  1. SinghDecember 12, 2016 at 12:03 pm #

    Hi I want to know do you charge for call out I want to know how much do you charge to change a radiator with value its in dunscroft Doncaster

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