DSIDE tracks 438 dimmer switches priced between £2.23 and £79.79 from 20 brands. Prices are compared across UK retailers and refreshed continually; only quotes updated within the last 72 hours are shown, so the figures above reflect what these products cost right now rather than a historical average.
The widest choice here comes from Knightsbridge (119), BG (108), Varilight (65), LAP (51), Contactum (26) and Arlec (24). Use the filters to narrow by brand or price, or sort by price to see the cheapest dimmer switches first.