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

Last Updated - 14/09/2026 Sort By:

Best Choice
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

£12.99
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

£15.98
10% Off
Alliance Electrical

New
AET CPC1GDIM4 Polished Chrome Classical 400W-10 Amp Single 1 Gang 2 Way 400W Light Dimmer Switch, 400 W
240V 10 amp single 1 gang light dimmer switch

£7.60 £8.40
Best Value
Ledvia

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

£11.89 £14.99
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

£14.99
British General

New
BG Electrical Intelligent Single Wall Dimmer Switch, 2 Way, Raised Profile, Round Edges, Nexus Metal, Polished Chrome, 2
DECORATIVE SINGLE DIMMER SWITCH WITH RAISED PROFILE FROM THE BG NEXUS METAL RANGE: Slim, raised profile with softly roun

£18.20
Nottac

New
Nottac Dimmer Light Switch, Trailing Edge LED Light Single Dimmer Switch for LED/Halogen Lights, 1 Gang 2 Way, Brushed S
Plug-and-Play Installation: Dimmer light switch fits standard 25mm back boxes without neutral wire - clearly labeled ter

£13.99
British General

New
BG Electrical Intelligent Single Wall Dimmer Switch, 2 Way, Raised Profile, Round Edges, Nexus Metal, Black Nickel, 200W
DECORATIVE SINGLE DIMMER SWITCH WITH RAISED PROFILE FROM THE BG NEXUS METAL RANGE: Slim, raised profile with softly roun

£14.85 £15.75
British General

New
BG Electrical Intelligent Single Wall Dimmer Switch, 2 Way, Screwless Front Plate, Premium Flatplate, Brushed Steel, 200
SCREWLESS SINGLE DIMMER SWITCH WITH LOW PROFILE FROM THE BG FLATPLATE RANGE: 200W dimmer switch in brushed steel that is

£18.00
15% Off
British General

New
BG Electrical Intelligent Single Wall Dimmer Switch, 2 Way, Raised Profile, Round Edges, Nexus Metal, Matt Black, 200W,
DECORATIVE SINGLE DIMMER SWITCH WITH RAISED PROFILE FROM THE BG NEXUS METAL RANGE: Slim, raised profile with softly roun

£12.98 £15.30

10 Dimmer Switch deals are available from: Amazon stores, starting from £7.60.
The biggest discount we found is 21% on LED Dimmer Switch for Dimmable LED/Halogen/Incandescent Lights Trailing Edge Dimmer Switches Rotary Push On/Off, 1 Gang, 1Way/2 Way, 3-100 Watts at Amazon.
The lowest price we found is £7.60 while the highest is £18.20.
Prices for the best Dimmer Switch deals average at £14.15.
Last updated on September 14, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Dimmer Switch.