Get the cheapest gas by bundling your utilities together in N21 from £110.36 per month*

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How you make you gas bills cheaper

Comparing quotes for Gas tariffs gives you an idea of which gas suppliers offer the best deals for N21.

Find the cheapest gas tariff in N21 by getting multiple quotes and choosing a supplier who gives you the best price per kWh.

From the cheapest heating engineer (Eric Amankwah based in N13) to the dearest  (North London Plumbing Heating & Builders based in N13) , heating engineers in N21, call one now to find out how you can make your home more energy efficient.

*The estimations provided on this webpage are independently provided by HaMuch Ltd. Prices are not guaranteed and quotes may vary when contacting your supplier.

Estimates for gas near N21
  • Why have gas prices been rising?
  • What is the energy price cap and how does it affect me?
  • What is the Energy Price Guarantee?
  • Why does where you live affect the cost of gas?
  • Why is paying the gas bill by direct debit cheaper than pay as you go?
  • Why is gas cheaper using a smart meter?
  • Choosing the right gas supplier
  • Will upgrading my old boiler save money?

  • Estimates for common heating engineer jobs in N21;

    Job Estimate
    Cost to replace a hot water immersion heater £290
    Cost to fit underfloor heating £285
    Cost to service a gas fire £168
    Cost to replace a vented hot water cylinder £315
    Cost to replace a central heating pump £168
    Cost to replace a heating programmer £136
    Cost to powerflush a central heating system £570 Visit
    Cost to install heating oil storage tank £1425
    Cost to replace an oil boiler £1425
    New combi or system boiler installation – like for like replacement £570
    Cost to move and relocate a boiler £855
    Cost to install skirting board heating £855
    Cost to install an LPG boiler £1140
    Cost to install hydrogen boiler £1140
    Cost to install a gas fire £448
    Cost to install a chimney liner £570
    Cost to install biomass boiler £1450
    Cost to install a ground source heat pump £4274
    Cost to fix a boiler fault error code £112
    Cost to replace an unvented hot water cylinder, e.g., Megaflo £575
    Cost to fit thermostatic radiator valves (TRVs) £126
    Cost to fit smart heating controls £112
    Cost to fit a magnetic filter for boiler £112
    Cost to fit a heated towel rail £168
    Cost to fit a radiator £112
    Cost to install a gas cooker or hob £224
    Boiler service cost £122
    Boiler repair costs (e.g. pump, diverter valve or heat exchanger) £232
    Cost to install an air source heat pump £576
    Replacement of a vented system £56
    Annual gas safety certificate for landlords £56
    Boiler fault finding diagnosis (boiler not firing up or boiler not staying on for long) £56
    Replace old rusty radiators £56
    Replace a section of pipework £56
    Detecting a water leak in the circuit causing system to lose pressure £56
    Install heating controls (e.g. timer or thermostat) to control circulation £56


    Rates for other N21 trades