Boiler Repairs

This article contains information on Boiler repairs more specifically finding the best service by analysing what you should pay for your boiler repairs service.

Boiler Repair prices and completion times

All of the prices below include labour and materials but exclude VAT.

Boiler Servicing and maintenance

JobDetailsTypical pricePrice rangeTypical time to comlete job
Power flush standard gas central heating systemBased on a three-bed semi-detached house with 10 radiators. Includes labour and all chemicals and equipment needed.£375£330-£4501 day
Carry out an annual service on a standard combi gas boilern/a£60£53-£721–1.5 hours
Carry out an annual service on a living room gas firen/a£60£50-£681–1.5 hours


Good to know
Some traders will attempt to convince you that a power flush fixes everything! It’s not always the answer. Power flushing is good for removing sludge that has built up throughout the central heating system. But, if the blockage is localized then it can be removed on its own.

A Good Power Flush should take around a day to complete, but be wary of any trader that states it can be done within a few hours.

Installing and connecting appliances

JobDetailsTypical price quotedPrice rangeTypical time to complete job
Install and connect a standard gas oven into a kitchenCustomer supplying new gas oven. Assuming all necessary pipework is in the right place.£80£65-£951–2 hours

Boiler Repairs replacements and upgrades

JobDetailsTypical price quotedPrice rangeTypical time to complete job
Survey conducted in July 2012
Fit new TRVs – small two-bed houseSupply and fit new thermostatic radiator valves (TRVs) in a small two-bed terraced house with eight radiators.£275£220-£3304-6 hours
Fit new TRVs – medium three-bed houseSupply and fit new thermostatic radiator valves (TRVs) in a medium three-bed semi-detached house with 10 radiators.£333£269-£4005-8 hours
Fit new TRVs – large four-bed houseSupply and fit new thermostatic radiator valves in a large four-bed detached house with 14 radiators.£420£350-£5206–10 hours
Install a replacement fan for standard combi gas boilerSupply and fit a replacement fan for a standard combi gas boiler.£240£200-£2701–2 hours
Install magnetic filters on a standard combi gas boilern/a£198£158-£2402–3 hours
Supply and fit new room thermostatSupply and fit a new wireless room thermostat.£160£125-£1901–2 hours
Supply and fit one radiatorRemove existing radiator. Supply and fit a new radiator – 600mm x 1000mm double panel. Assuming all pipework is the correct size and in the right place.£180£150-£2281.5–3 hours
Supply and fit new boilerSupply and fit a new boiler (Which? Best Buy Vaillant ecoTEC plus 831 or similar) with new timer and regulator. Assuming that the gas pipe is of adequate size and boiler flue in same place.£1,800£1,600-£2,0081-2 days
Supply and fit a new central heating pumpTrader to recommend a standard pump of a reliable brand. Assuming that replacement is like for like and no modifications are needed.£150£130-£1651-2 hours


Good to know

Boiler replacement
Replacing a boiler should take around one day. But most manufacturers recommend power flushing the system when fitting a new boiler. This is likely to take an additional day.

If your system needs draining and refilling this may add to the time and the cost.


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