How much does it cost to connect an electric cooker? Whether you have an existing cooker circuit or need a new one installed, this guide covers realistic 2026 UK pricing, circuit requirements, and the regulations that apply.
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Written and reviewed by Andrew Moore, founder of Elec-Mate, against BS 7671:2018+A4:2026, IET Guidance Note 3 and the IET On-Site Guide.
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An electric cooker requires a dedicated high-current circuit from the consumer unit, terminated at a cooker connection unit on the wall near the cooker. The connection involves wiring the cooker's terminal block to the connection unit using heat-resistant flexible cable, testing the circuit, and ensuring the installation is safe and compliant with BS 7671:2018+A4:2026.
This is one of the most common domestic electrical jobs. In many cases, an existing cooker circuit is already in place and the job is simply connecting the new cooker to the existing circuit — a straightforward task for a qualified electrician. If no cooker circuit exists (for example, in a property converting from gas to electric cooking), a new dedicated circuit must be installed from the consumer unit.
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Here are realistic 2026 costs for cooker connections in the UK:
Electric cookers must be supplied by a dedicated radial circuit from the consumer unit. The circuit specification depends on the cooker's rated power:
BS 7671 Appendix A provides diversity calculations for cooking appliances. A cooker rated at 13kW does not draw 13kW continuously — the diversity calculation accounts for the fact that all heating elements are rarely on simultaneously at full power, allowing the circuit to be designed for a lower demand current than the full rated current.
Typically 8kW to 13kW. Fits on a standard 32A circuit with 6mm² cable. Connection cost: £100 to £250 on an existing circuit.
Often 13kW to 18kW or more. May require a 45A circuit with 10mm² cable if the rating exceeds 13.5kW. Connection cost: £150 to £300 on an existing 45A circuit, or £350 to £500 if a new circuit is needed.
Typically 3kW to 7.4kW. Can be connected to a 32A cooker circuit via the cooker connection unit. If installed alongside a separate oven, both can share the cooker circuit (with diversity applied). Connection cost: £100 to £200.
Typically 2kW to 3.5kW. Can be connected to a dedicated 20A radial or to the cooker circuit. Some ovens under 3kW can be connected via a 13A fused connection unit on a ring circuit. Connection cost: £80 to £180.
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Installing a new cooker circuit is notifiable under Part P of the Building Regulations, as it involves adding a new circuit. The electrician must be registered with a competent person scheme or Building Control must be notified. An EIC must be issued for new circuits.
Connecting a cooker to an existing circuit (like-for-like replacement) is not notifiable under Part P, but a Minor Electrical Installation Works Certificate (MEIWC) should still be issued to document the work and test results. This protects both the homeowner and the electrician.
Under Regulation 411.3.3 of BS 7671, 30mA RCD protection is required for socket outlet circuits up to 32A. A cooker connection unit is not a socket outlet, so a dedicated cooker circuit may not strictly require RCD protection under this regulation. However, if the cooker connection unit includes a 13A socket, RCD protection is required for that socket. Current best practice recommends RCD or RCBO protection on all domestic circuits regardless.
Connecting a cooker to an existing cooker connection unit is technically straightforward, but it involves working on a high-current circuit. The consequences of an incorrect connection — loose terminals, wrong polarity, inadequate earth — include fire risk and electric shock.
We strongly recommend using a qualified electrician for all cooker connections.
Even connecting to an existing circuit, you should isolate the circuit safely, make secure connections in the cooker's terminal block, verify earth continuity, test insulation resistance, and check polarity. If you are not confident with these procedures, call an electrician — at £100 to £250, the cost of professional installation is modest compared to the risk.
Cooker connections are quick, profitable jobs. Most take 1 to 2 hours for an existing circuit and represent excellent use of call-out time.
Ask the customer what cooker they are installing (make, model, kW rating) and whether there is an existing cooker circuit. This tells you whether you need 6mm² or 10mm² cable, and whether a new circuit is required. Use the quoting app for a professional PDF quote.
Elec-Mate's quoting app builds professional quotes for cooker connections and kitchen electrical work. 7-day free trial.
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