light bulbs

Good afternoon, UK-based DIY-ers A query from a DIY-novice here: In their great wisdom, the builders of my flat decided to install L1 light fittings to all 6 of my ceiling lamps. L1 bulbs don't serve my purposes, so I want to convert these L1 light fittings into something that can take E27...

I have this light in two rooms. The electrician needed two men to change bulb in one room. Now other bulb needs changing. I can't even begin to see how it comes apart, but I want to change it myself rather than calling someone in to do it! Does anyone have any experience of how this comes to...