What does new bathroom lighting cost in Cornwall?
Our guide range in Cornwall is £350–£1,200 including VAT.
Essential
- IP-rated LED downlights
Layered
- Shaver socket
Feature
- Dimming and sensors
Guide prices for Cornwall including VAT. Your itemised written quote after the free survey is the price that counts.
Which towns do we cover in Cornwall?
Most of Cornwall is supplied with soft water. That leaves you free to choose matt black, brushed brass or clear glass without worrying much about limescale. Hardness varies street by street, so check the figure for your postcode with your water supplier. If you are refitting a windowless bathroom in Redruth, the lighting is planned with the extractor fan so the two work together.
What the job includes
- Testing and an electrical certificate for the work on completion
- IP-rated fittings chosen for each zone, with IP65 downlights over the bath or shower
- Fire-rated downlights or fire hoods where the ceiling has to keep its fire resistance
- RCD protection on the lighting circuit, checked at the consumer unit and added where it is missing
- A shaver supply unit where wanted, positioned away from direct spray
- Cable runs to each fitting, from the loft above or through the ceiling
Decisions to make first
Mirror lighting
An illuminated mirror or mirror cabinet lights the face from the front, which a ceiling light cannot do. Many include a demister pad and a shaver socket.
Downlight positions
Evenly spaced downlights give flat, general light. Placing one over the shower and one over the basin puts the light where you actually use it.
Colour temperature
Warm white, around 3000 K, feels softer; cool white, around 4000 K, is crisper for shaving and make-up. Mixing the two in one room looks uneven.
Integrated or replaceable LED
Integrated LED downlights are slimmer and fully sealed. Fittings with replaceable lamps let you change brightness or colour later.
Rules that apply in England
BS 7671 sets the rules for bathroom electrics across the UK. Every circuit in a room with a bath or shower needs 30 mA RCD protection. Zone 0 is inside the bath or shower tray and needs IPX7 fittings; zone 1 is above it up to 2.25 m and needs at least IPX4, or IPX5 where water jets are used; zone 2 extends 0.6 m out from zone 1, where IPX4 is recommended. Sockets other than shaver supply units must be at least 3 m from the zone 1 boundary.
In England, Part P makes a new circuit, a consumer unit replacement and any addition or alteration to circuits in a room with a bath or shower notifiable. The work must be done by an electrician registered with a competent person scheme or notified to building control. Replacing a light fitting like for like is not usually notifiable, but it still has to meet BS 7671.

