Best Dimmer Switch Deals Online in the UK (10 Deals Found)

Last Updated - 01/02/2026 Sort By:

Best Choice
Belns Melns

New
LED Dimmer Switch for Dimmable LED/Halogen/Incandescent Lights Trailing Edge Dimmer Switches Rotary Push On/Off, 1 Gang,
Trailing edge dimmer switch for led lights

£14.99
Best Value
British General

New
BG Electrical Single Dimmer Intelligent Light Switch, Brushed Steel, 2-Way 400 W NBS81P-01
DECORATIVE SINGLE DIMMER SWITCH WITH RAISED PROFILE FROM THE BG NEXUS METAL RANGE: Slim, raised profile with softly roun

£9.00 £15.75
22% Off
British General

New
BG Electrical Intelligent Single Wall Dimmer Switch, 2 Way, Round Edge, Nexus 800 Series, White Moulded, 200W, 881
MODERN ROUND EDGED WHITE MOULDED SINGLE DIMMER SWITCH : From BG Electrical, this 2-way, 200W dimmer wall light switch ha

£9.37 £11.94
13% Off
Knightsbridge

New
Knightsbridge CU2161 CU Dimmer, 230 V, White, Curved Edge
ELEGANT - Simple curved edge range of white plastic switches and sockets from Knightsbridge

£8.70 £9.99
15% Off
Nottac

New
Universal LED Dimmer Switch, 1 Gang 2-Way (3-150W), Rotary Push On/Off, Compatible with Dimmable LED/Halogen/Incandescen
Plug-and-Play Installation: Dimmer light switch fits standard 25mm back boxes without neutral wire - clearly labeled ter

£11.89 £13.99
Belns Melns

New
LED Dimmer Switch, Trailing Edge Dimmer Light Switch for LED/Halogen Lights, 1 Gang 2 Way 3-150 Watts, Brushed Steel
LED-compatible single dimmer switch for led lights.

£17.99
Status

New
STATUS Single Dimmer Light Switch | 250W White Plastic 1 Gang 1 Way Dimmer Light Switch | S250WDS3
Status Dimmer Switch - White

£6.99
Belns Melns

New
Belns Melns LED Dimmer and Rocker Wall Light Switch Combo 2 Gang 2 Way Switch Trailing Edge Dimmer for LED/Halogen/Incan
The dimmer and rocker combo combines a light switch with an LED dimmer switch (100W) on the same plate.

£19.99
Belns Melns

New
Belns Melns LED Dimmer Switch, Trailing Edge Double Dimmer Light Switch for Dimmable LED/Halogen Lights, Rotary Push On/
2-Gang Dimmer Light Switch. 1-way or 2-way.

£19.99
50% Off
British General

New
BG Electrical Intelligent Single Wall Dimmer Switch, 2 Way, Square Edge, Nexus 900 Series, White Moulded, 200W, 981
CLASSIC SQUARE EDGED WHITE MOULDED SINGLE DIMMER SWITCH: From BG Electrical, this 2-way, 200W dimmer wall light switch h

£6.00 £11.94

10 Dimmer Switch deals are available from: Amazon stores, starting from £6.00.
The biggest discount we found is 50% on BG Electrical Intelligent Single Wall Dimmer Switch, 2 Way, Square Edge, Nexus 900 Series, White Moulded, 200W, 981 at Amazon.
The lowest price we found is £6.00 while the highest is £19.99.
Prices for the best Dimmer Switch deals average at £12.49.
Last updated on February 1, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Dimmer Switch.