How much does a kitchen rewire cost in the UK? This guide covers typical prices from £800 to £2,500, cooker circuits, dedicated appliance circuits, under-cabinet lighting, island power, and Part P notification requirements.
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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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The kitchen is the most electrically demanding room in a UK home. It contains the highest-power appliances (cooker, hob, oven, dishwasher, washing machine), the most socket outlets, and increasingly sophisticated lighting. A kitchen rewire ensures that the electrical installation can safely supply all these loads with modern cable, properly rated circuits, and RCD protection.
A typical kitchen rewire costs £800 to £2,500 depending on the number of circuits, the size of the kitchen, and whether a consumer unit upgrade is included. The work is notifiable under Part P of the Building Regulations and must be carried out by a qualified electrician.
This guide breaks down the costs, explains the circuits required for a modern kitchen, and covers the regulatory requirements.
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The following table shows typical costs for kitchen electrical work in the UK. All prices include materials and labour.
Basic kitchen rewire
Ring main, cooker circuit, lighting, 6–8 sockets
£800 – £1,200
Mid-range kitchen rewire
Ring main, cooker, dedicated appliance circuits, under-cabinet lighting, extractor
£1,200 – £1,800
Large kitchen rewire
All above plus island power, multiple lighting zones, consumer unit upgrade
£1,800 – £2,500
Cooker circuit only
45A switch, 6.0mm² cable, connection to consumer unit
£200 – £350
Under-cabinet LED lighting
LED strip or puck lights, switched supply, 3–5 metre run
£150 – £300
Consumer unit upgrade (if needed)
New dual RCD or RCBO board with spare ways
£350 – £600
Material costs are a relatively small proportion of the total. A 45A cooker control unit costs from approximately £7.60 at trade price. An extractor fan isolator switch costs from approximately £6 to £8. 2.5mm² twin and earth cable for the ring main costs approximately £0.80 to £1.20 per metre. The majority of the cost is labour for routing cables, fitting accessories, and testing.
A modern kitchen typically requires the following dedicated circuits from the consumer unit:
The cooker circuit is the highest-power circuit in most kitchens. Getting it right requires careful cable sizing based on the cooker rating and the circuit length:
Most built-in ovens and four-ring hobs with a combined rating up to 13kW can be supplied by a 32A circuit with 6.0mm² twin and earth cable. With the diversity allowance in BS 7671 Table 10.2 (first 10A + 30% of remainder + 5A for socket if fitted), the actual calculated demand is typically 20 to 30A. A 45A cooker control unit (trade price from approximately £7.60 for a basic unit, or £12.60 for a unit with neon indicator) provides the connection point and local isolation.
Large range cookers (such as Rangemaster, AGA, or Falcon) can draw 15 to 20kW or more. These require a 45A circuit with 10.0mm² twin and earth cable and a 45A connection unit. Some dual-fuel range cookers have a lower electrical rating because the hob is gas — check the data plate for the actual electrical rating before sizing the cable. The cable must be sized for voltage drop as well as current capacity, especially on longer runs.
Use the cable sizing calculator to verify the correct cable size for the specific cooker rating, circuit length, and installation method.
Good kitchen lighting requires multiple layers — general ceiling lighting, task lighting over work surfaces, and accent or feature lighting. A well-designed lighting scheme transforms a kitchen and is a strong upsell opportunity for electricians:
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Kitchen islands are increasingly popular, and many homeowners want power sockets on the island for small appliances, phone charging, or a pop-up workspace. Providing power to a freestanding island requires planning:
The key is to plan the island power supply during the first-fix stage. Once the floor is tiled and the island is installed, adding a power supply retrospectively is significantly more expensive and disruptive. Typical cost for island power (cable run plus pop-up socket or kickboard socket): £150 to £350.
A kitchen rewire is notifiable work under Part P of the Building Regulations in England and Wales. This is because it involves the installation of new circuits and typically takes place in a room containing a sink (which is treated as a special location in some interpretations of the regulations).
Kitchen rewires are high-value domestic jobs with good margins. A typical kitchen rewire takes 1.5 to 3 days and is worth £800 to £2,500. They also create opportunities for upselling — under-cabinet lighting, island power, smart switches, and consumer unit upgrades.
Size cooker circuits, ring mains, and dedicated appliance circuits with the cable sizing calculator. Apply diversity for cooker circuits per BS 7671 Table 10.2.
Price the full kitchen rewire with Elec-Mate's quoting app. Ring main, cooker circuit, appliance circuits, lighting, extractor, island power, consumer unit — all itemised with your margins. Send a professional PDF quote from the survey.
Complete the Electrical Installation Certificate after testing the kitchen rewire. AI board scanning captures all circuit details. Voice test entry speeds up the schedule of test results. Issue the certificate to the homeowner on the day of completion.
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